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In this study, a variety of electron polarons, namely free, bound, and bipolarons, are analyzed using first-principles calculations. We perform a full structural optimization based on density-functional theory for selected intrinsic defects with special attention to the role of symmetry-breaking distortions that lower the total energy. The cations hosting the various polarons relax to a different degree, with a larger relaxation corresponding to a larger gap between the defect level and the conduction-band edge. The projected density of states reveals that the polaron states are formerly empty Nb 4d states lowered into the band gap. Optical absorption spectra are derived within the independent-particle approximation, corrected by the GW approximation that yields a wider band gap and by including excitonic effects within the Bethe-Salpeter equation. Comparing the calculated spectra with the density of states, we find that the defect peak observed in the optical absorption stems from transitions between the defect level and a continuum of empty Nb 4d states. Signatures of polarons are further analyzed in the reflectivity and other experimentally measurable optical coefficients."}],"type":"journal_article","year":"2021","citation":{"ama":"Schmidt F, Kozub AL, Gerstmann U, Schmidt WG, Schindlmayr A. Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response. Crystals. 2021;11:542. doi:10.3390/cryst11050542","apa":"Schmidt, F., Kozub, A. L., Gerstmann, U., Schmidt, W. G., & Schindlmayr, A. (2021). Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response. Crystals, 11, 542. https://doi.org/10.3390/cryst11050542","chicago":"Schmidt, Falko, Agnieszka L. Kozub, Uwe Gerstmann, Wolf Gero Schmidt, and Arno Schindlmayr. “Electron Polarons in Lithium Niobate: Charge Localization, Lattice Deformation, and Optical Response.” Crystals 11 (2021): 542. https://doi.org/10.3390/cryst11050542.","bibtex":"@article{Schmidt_Kozub_Gerstmann_Schmidt_Schindlmayr_2021, title={Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response}, volume={11}, DOI={10.3390/cryst11050542}, journal={Crystals}, publisher={MDPI}, author={Schmidt, Falko and Kozub, Agnieszka L. and Gerstmann, Uwe and Schmidt, Wolf Gero and Schindlmayr, Arno}, year={2021}, pages={542} }","mla":"Schmidt, Falko, et al. “Electron Polarons in Lithium Niobate: Charge Localization, Lattice Deformation, and Optical Response.” Crystals, vol. 11, MDPI, 2021, p. 542, doi:10.3390/cryst11050542.","short":"F. Schmidt, A.L. Kozub, U. Gerstmann, W.G. Schmidt, A. Schindlmayr, Crystals 11 (2021) 542.","ieee":"F. Schmidt, A. L. Kozub, U. Gerstmann, W. G. Schmidt, and A. Schindlmayr, “Electron polarons in lithium niobate: Charge localization, lattice deformation, and optical response,” Crystals, vol. 11, p. 542, 2021, doi: 10.3390/cryst11050542."},"page":"542","funded_apc":"1","_id":"21946","intvolume":" 11"},{"user_id":"23547","article_type":"review","abstract":[{"text":"Tailor-made ordered mesoporous materials bear great potential in numerous fields of application where large interfaces are required. However, the inherent surfacechemical properties of conventional materials, such as silica, carbon or organosilica, poses some limitations with respect to their application. Surface manipulation by functionalization with chemically more reactive groups is one way to improve materials for their desired purpose. Another approach is the design of high surface-area composite materials. The surface manipulation, either by functionalization or by introducing guest species, can be performed selectively. This means that when several distinct, i.e. , hierarchical, types of surfaces or pore systems exist in a material, each of them may be chosen for manipulation. Several strategies can be identified to achieve this goal. Molecules or molecule assemblies can be utilized to temporarily protect pores or surfaces (soft protection), while manipulation occurs at the accessible sites. This approach is a recurring motive in this review and can also be applied to rigid template matrices (hard protection). Furthermore, the size of functionalization agents (size protection) and their reactivity/diffusion (kinetic protection) into the pores can also be utilized to achieve selectivity. In addition, challenges in the synthesis and characterization of selectively manipulated ordered mesoporous materials are discussed.","lang":"eng"}],"status":"public","date_created":"2021-10-08T10:01:21Z","quality_controlled":"1","author":[{"first_name":"Michael","orcid":"0000-0003-1711-2722","full_name":"Tiemann, Michael","last_name":"Tiemann","id":"23547"},{"last_name":"Weinberger","id":"11848","first_name":"Christian","full_name":"Weinberger, Christian"}],"publication":"Advanced Materials Interfaces","article_number":"2001153","_id":"25893","year":"2021","citation":{"short":"M. Tiemann, C. Weinberger, Advanced Materials Interfaces (2021).","ieee":"M. Tiemann and C. 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Gesellschaftliche Repräsentation und Partizipation im Schützenwesen. 2021."},"type":"report","year":"2021","series_title":"H/SOZ/KULT","main_file_link":[{"url":"https://www.hsozkult.de/conferencereport/id/fdkn-127633","open_access":"1"}]},{"ddc":["530"],"user_id":"16199","article_type":"original","abstract":[{"lang":"eng","text":"We perform a theoretical analysis of the structural and electronic properties of sodium potassium niobate K1-xNaxNbO3 in the orthorhombic room-temperature phase, based on density-functional theory in combination with the supercell approach. Our results for x=0 and x=0.5 are in very good agreement with experimental measurements and establish that the lattice parameters decrease linearly with increasing Na contents, disproving earlier theoretical studies based on the virtual-crystal approximation that claimed a highly nonlinear behavior with a significant structural distortion and volume reduction in K0.5Na0.5NbO3 compared to both end members of the solid solution. Furthermore, we find that the electronic band gap varies very little between x=0 and x=0.5, reflecting the small changes in the lattice parameters."}],"volume":94,"status":"public","has_accepted_license":"1","date_created":"2021-08-08T21:21:42Z","publisher":"EDP Sciences, Società Italiana di Fisica and Springer","quality_controlled":"1","author":[{"first_name":"Nithin","full_name":"Bidaraguppe Ramesh, Nithin","last_name":"Bidaraguppe Ramesh","id":"70064"},{"orcid":"0000-0002-5071-5528","full_name":"Schmidt, Falko","first_name":"Falko","id":"35251","last_name":"Schmidt"},{"orcid":"0000-0002-4855-071X","full_name":"Schindlmayr, Arno","first_name":"Arno","id":"458","last_name":"Schindlmayr"}],"publication":"The European Physical Journal B","file_date_updated":"2021-09-02T08:05:06Z","file":[{"title":"Lattice parameters and electronic bandgap of orthorhombic potassium sodium niobate K0.5Na0.5NbO3 from density-functional theory","file_size":850389,"access_level":"open_access","date_created":"2021-09-02T08:05:06Z","file_name":"BidaraguppeRamesh2021_Article_LatticeParametersAndElectronic.pdf","relation":"main_file","description":"Creative Commons Attribution 4.0 International Public License (CC BY 4.0)","content_type":"application/pdf","date_updated":"2021-09-02T08:05:06Z","creator":"schindlm","file_id":"23679"}],"article_number":"169","issue":"8","intvolume":" 94","_id":"22960","type":"journal_article","citation":{"ieee":"N. Bidaraguppe Ramesh, F. Schmidt, and A. Schindlmayr, “Lattice parameters and electronic band gap of orthorhombic potassium sodium niobate K0.5Na0.5NbO3 from density-functional theory,” The European Physical Journal B, vol. 94, no. 8, Art. no. 169, 2021, doi: 10.1140/epjb/s10051-021-00179-8.","short":"N. Bidaraguppe Ramesh, F. Schmidt, A. Schindlmayr, The European Physical Journal B 94 (2021).","bibtex":"@article{Bidaraguppe Ramesh_Schmidt_Schindlmayr_2021, title={Lattice parameters and electronic band gap of orthorhombic potassium sodium niobate K0.5Na0.5NbO3 from density-functional theory}, volume={94}, DOI={10.1140/epjb/s10051-021-00179-8}, number={8169}, journal={The European Physical Journal B}, publisher={EDP Sciences, Società Italiana di Fisica and Springer}, author={Bidaraguppe Ramesh, Nithin and Schmidt, Falko and Schindlmayr, Arno}, year={2021} }","mla":"Bidaraguppe Ramesh, Nithin, et al. “Lattice Parameters and Electronic Band Gap of Orthorhombic Potassium Sodium Niobate K0.5Na0.5NbO3 from Density-Functional Theory.” The European Physical Journal B, vol. 94, no. 8, 169, EDP Sciences, Società Italiana di Fisica and Springer, 2021, doi:10.1140/epjb/s10051-021-00179-8.","chicago":"Bidaraguppe Ramesh, Nithin, Falko Schmidt, and Arno Schindlmayr. “Lattice Parameters and Electronic Band Gap of Orthorhombic Potassium Sodium Niobate K0.5Na0.5NbO3 from Density-Functional Theory.” The European Physical Journal B 94, no. 8 (2021). https://doi.org/10.1140/epjb/s10051-021-00179-8.","ama":"Bidaraguppe Ramesh N, Schmidt F, Schindlmayr A. Lattice parameters and electronic band gap of orthorhombic potassium sodium niobate K0.5Na0.5NbO3 from density-functional theory. The European Physical Journal B. 2021;94(8). doi:10.1140/epjb/s10051-021-00179-8","apa":"Bidaraguppe Ramesh, N., Schmidt, F., & Schindlmayr, A. (2021). Lattice parameters and electronic band gap of orthorhombic potassium sodium niobate K0.5Na0.5NbO3 from density-functional theory. The European Physical Journal B, 94(8), Article 169. https://doi.org/10.1140/epjb/s10051-021-00179-8"},"year":"2021","title":"Lattice parameters and electronic band gap of orthorhombic potassium sodium niobate K0.5Na0.5NbO3 from density-functional theory","external_id":{"isi":["000687163200002"]},"publication_identifier":{"eissn":["1434-6036"],"issn":["1434-6028"]},"publication_status":"published","project":[{"_id":"53","name":"TRR 142"},{"_id":"55","name":"TRR 142 - Project Area B"},{"_id":"69","name":"TRR 142 - Subproject B4"}],"department":[{"_id":"296"},{"_id":"230"},{"_id":"429"},{"_id":"15"},{"_id":"170"},{"_id":"35"}],"isi":"1","doi":"10.1140/epjb/s10051-021-00179-8","oa":"1","date_updated":"2023-04-20T14:56:25Z","language":[{"iso":"eng"}]},{"issue":"3","article_number":"039901","intvolume":" 104","_id":"22761","year":"2021","type":"journal_article","citation":{"ieee":"C. Friedrich, S. Blügel, and A. Schindlmayr, “Erratum: Efficient implementation of the GW approximation within the all-electron FLAPW method [Phys. Rev. B 81, 125102 (2010)],” Physical Review B, vol. 104, no. 3, Art. no. 039901, 2021, doi: 10.1103/PhysRevB.104.039901.","short":"C. Friedrich, S. Blügel, A. Schindlmayr, Physical Review B 104 (2021).","mla":"Friedrich, Christoph, et al. “Erratum: Efficient Implementation of the GW Approximation within the All-Electron FLAPW Method [Phys. Rev. B 81, 125102 (2010)].” Physical Review B, vol. 104, no. 3, 039901, American Physical Society, 2021, doi:10.1103/PhysRevB.104.039901.","bibtex":"@article{Friedrich_Blügel_Schindlmayr_2021, title={Erratum: Efficient implementation of the GW approximation within the all-electron FLAPW method [Phys. Rev. B 81, 125102 (2010)]}, volume={104}, DOI={10.1103/PhysRevB.104.039901}, number={3039901}, journal={Physical Review B}, publisher={American Physical Society}, author={Friedrich, Christoph and Blügel, Stefan and Schindlmayr, Arno}, year={2021} }","chicago":"Friedrich, Christoph, Stefan Blügel, and Arno Schindlmayr. “Erratum: Efficient Implementation of the GW Approximation within the All-Electron FLAPW Method [Phys. Rev. B 81, 125102 (2010)].” Physical Review B 104, no. 3 (2021). https://doi.org/10.1103/PhysRevB.104.039901.","ama":"Friedrich C, Blügel S, Schindlmayr A. Erratum: Efficient implementation of the GW approximation within the all-electron FLAPW method [Phys. Rev. B 81, 125102 (2010)]. Physical Review B. 2021;104(3). doi:10.1103/PhysRevB.104.039901","apa":"Friedrich, C., Blügel, S., & Schindlmayr, A. (2021). Erratum: Efficient implementation of the GW approximation within the all-electron FLAPW method [Phys. Rev. B 81, 125102 (2010)]. Physical Review B, 104(3), Article 039901. https://doi.org/10.1103/PhysRevB.104.039901"},"user_id":"16199","ddc":["530"],"date_created":"2021-07-15T19:59:00Z","has_accepted_license":"1","status":"public","volume":104,"file":[{"relation":"main_file","description":"© 2021 American Physical Society","content_type":"application/pdf","date_updated":"2021-07-15T20:16:55Z","creator":"schindlm","file_id":"22763","title":"Erratum: Efficient implementation of the GW approximation within the all-electron FLAPW method [Phys. Rev. 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Our scheme is based on optical excitation off resonant to a cavity mode followed by ultrafast control of the electronic states using the time-dependent quantum-confined Stark effect, which then allows for cavity-resonant emission. Our theoretical analysis considers cavity-loss mechanisms, the Stark effect, and phonon-induced dephasing, allowing realistic predictions for finite temperatures.","lang":"eng"}],"ddc":["530"],"user_id":"16199","file_date_updated":"2021-09-07T07:43:47Z","publication":"Physical Review B","keyword":["tet_topic_qd"],"author":[{"last_name":"Bauch","full_name":"Bauch, David","first_name":"David"},{"id":"10904","last_name":"Heinze","full_name":"Heinze, Dirk Florian","first_name":"Dirk Florian"},{"orcid":"0000-0001-7059-9862","full_name":"Förstner, Jens","first_name":"Jens","id":"158","last_name":"Förstner"},{"last_name":"Jöns","id":"85353","first_name":"Klaus","full_name":"Jöns, Klaus"},{"first_name":"Stefan","full_name":"Schumacher, Stefan","orcid":"0000-0003-4042-4951","last_name":"Schumacher","id":"27271"}],"file":[{"file_size":887439,"creator":"fossie","file_id":"23818","content_type":"application/pdf","date_updated":"2021-09-07T07:43:47Z","relation":"main_file","file_name":"2021-08 Bauch PhysRevB.104.085308.pdf","date_created":"2021-09-07T06:32:25Z","access_level":"open_access"}],"volume":104,"date_created":"2021-09-06T18:02:44Z","status":"public","has_accepted_license":"1","_id":"23816","intvolume":" 104","page":"085308","year":"2021","citation":{"ama":"Bauch D, Heinze DF, Förstner J, Jöns K, Schumacher S. Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots. Physical Review B. 2021;104:085308. doi:10.1103/physrevb.104.085308","apa":"Bauch, D., Heinze, D. F., Förstner, J., Jöns, K., & Schumacher, S. (2021). Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots. Physical Review B, 104, 085308. https://doi.org/10.1103/physrevb.104.085308","chicago":"Bauch, David, Dirk Florian Heinze, Jens Förstner, Klaus Jöns, and Stefan Schumacher. “Ultrafast Electric Control of Cavity Mediated Single-Photon and Photon-Pair Generation with Semiconductor Quantum Dots.” Physical Review B 104 (2021): 085308. https://doi.org/10.1103/physrevb.104.085308.","bibtex":"@article{Bauch_Heinze_Förstner_Jöns_Schumacher_2021, title={Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots}, volume={104}, DOI={10.1103/physrevb.104.085308}, journal={Physical Review B}, author={Bauch, David and Heinze, Dirk Florian and Förstner, Jens and Jöns, Klaus and Schumacher, Stefan}, year={2021}, pages={085308} }","mla":"Bauch, David, et al. “Ultrafast Electric Control of Cavity Mediated Single-Photon and Photon-Pair Generation with Semiconductor Quantum Dots.” Physical Review B, vol. 104, 2021, p. 085308, doi:10.1103/physrevb.104.085308.","short":"D. Bauch, D.F. Heinze, J. Förstner, K. Jöns, S. Schumacher, Physical Review B 104 (2021) 085308.","ieee":"D. Bauch, D. F. Heinze, J. Förstner, K. Jöns, and S. Schumacher, “Ultrafast electric control of cavity mediated single-photon and photon-pair generation with semiconductor quantum dots,” Physical Review B, vol. 104, p. 085308, 2021, doi: 10.1103/physrevb.104.085308."},"type":"journal_article"},{"year":"2021","citation":{"chicago":"Kozub, Agnieszka L., Arno Schindlmayr, Uwe Gerstmann, and Wolf Gero Schmidt. “Polaronic Enhancement of Second-Harmonic Generation in Lithium Niobate.” Physical Review B 104 (2021): 174110. https://doi.org/10.1103/PhysRevB.104.174110.","ama":"Kozub AL, Schindlmayr A, Gerstmann U, Schmidt WG. Polaronic enhancement of second-harmonic generation in lithium niobate. Physical Review B. 2021;104:174110. doi:10.1103/PhysRevB.104.174110","apa":"Kozub, A. L., Schindlmayr, A., Gerstmann, U., & Schmidt, W. G. (2021). Polaronic enhancement of second-harmonic generation in lithium niobate. Physical Review B, 104, 174110. https://doi.org/10.1103/PhysRevB.104.174110","mla":"Kozub, Agnieszka L., et al. “Polaronic Enhancement of Second-Harmonic Generation in Lithium Niobate.” Physical Review B, vol. 104, American Physical Society, 2021, p. 174110, doi:10.1103/PhysRevB.104.174110.","bibtex":"@article{Kozub_Schindlmayr_Gerstmann_Schmidt_2021, title={Polaronic enhancement of second-harmonic generation in lithium niobate}, volume={104}, DOI={10.1103/PhysRevB.104.174110}, journal={Physical Review B}, publisher={American Physical Society}, author={Kozub, Agnieszka L. and Schindlmayr, Arno and Gerstmann, Uwe and Schmidt, Wolf Gero}, year={2021}, pages={174110} }","short":"A.L. Kozub, A. Schindlmayr, U. Gerstmann, W.G. Schmidt, Physical Review B 104 (2021) 174110.","ieee":"A. L. Kozub, A. Schindlmayr, U. Gerstmann, and W. G. Schmidt, “Polaronic enhancement of second-harmonic generation in lithium niobate,” Physical Review B, vol. 104, p. 174110, 2021, doi: 10.1103/PhysRevB.104.174110."},"type":"journal_article","page":"174110","_id":"23418","intvolume":" 104","status":"public","has_accepted_license":"1","date_created":"2021-08-16T19:09:46Z","volume":104,"file":[{"date_created":"2021-11-18T20:49:19Z","file_name":"PhysRevB.104.174110.pdf","access_level":"open_access","title":"Polaronic enhancement of second-harmonic generation in lithium niobate","file_size":804012,"file_id":"27577","creator":"schindlm","relation":"main_file","description":"© 2021 American Physical Society","content_type":"application/pdf","date_updated":"2021-11-18T20:49:19Z"}],"author":[{"id":"77566","last_name":"Kozub","orcid":"https://orcid.org/0000-0001-6584-0201","full_name":"Kozub, Agnieszka L.","first_name":"Agnieszka L."},{"id":"458","last_name":"Schindlmayr","full_name":"Schindlmayr, Arno","orcid":"0000-0002-4855-071X","first_name":"Arno"},{"first_name":"Uwe","orcid":"0000-0002-4476-223X","full_name":"Gerstmann, Uwe","last_name":"Gerstmann","id":"171"},{"first_name":"Wolf Gero","orcid":"0000-0002-2717-5076","full_name":"Schmidt, Wolf Gero","last_name":"Schmidt","id":"468"}],"quality_controlled":"1","publisher":"American Physical Society","file_date_updated":"2021-11-18T20:49:19Z","publication":"Physical Review B","user_id":"171","ddc":["530"],"article_type":"original","abstract":[{"lang":"eng","text":"Density-functional theory within a Berry-phase formulation of the dynamical polarization is used to determine the second-order susceptibility χ(2) of lithium niobate (LiNbO3). Defect trapped polarons and bipolarons are found to strongly enhance the nonlinear susceptibility of the material, in particular if localized at NbV–VLi defect pairs. This is essentially a consequence of the polaronic excitation resulting in relaxation-induced gap states. The occupation of these levels leads to strongly enhanced χ(2) coefficients and allows for the spatial and transient modification of the second-harmonic generation of macroscopic samples."}],"language":[{"iso":"eng"}],"oa":"1","doi":"10.1103/PhysRevB.104.174110","date_updated":"2023-04-21T11:15:30Z","project":[{"_id":"53","name":"TRR 142"},{"_id":"55","name":"TRR 142 - Project Area B"},{"_id":"69","name":"TRR 142 - Subproject B4"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"publication_identifier":{"issn":["2469-9950"],"eissn":["2469-9969"]},"publication_status":"published","isi":"1","department":[{"_id":"296"},{"_id":"230"},{"_id":"429"},{"_id":"295"},{"_id":"15"},{"_id":"170"},{"_id":"790"}],"title":"Polaronic enhancement of second-harmonic generation in lithium niobate","external_id":{"isi":["000720931400007"],"arxiv":["2106.01145"]}},{"project":[{"_id":"130","name":"TRR 285: TRR 285","grant_number":"418701707"},{"_id":"132","name":"TRR 285 - B: TRR 285 - Project Area B"},{"_id":"140","name":"TRR 285 – B01: TRR 285 - Subproject B01"}],"date_created":"2021-09-16T08:34:41Z","status":"public","publication_status":"published","publication":"ESAFORM 2021","department":[{"_id":"321"},{"_id":"149"},{"_id":"630"}],"author":[{"last_name":"Martin","id":"38177","first_name":"Sven","full_name":"Martin, Sven"},{"first_name":"Thomas","full_name":"Tröster, Thomas","last_name":"Tröster"}],"quality_controlled":"1","user_id":"38177","title":"Joint point loadings in car bodies – the influence of manufacturing tolerances and scatter in material properties","language":[{"iso":"fre"}],"year":"2021","type":"journal_article","citation":{"bibtex":"@article{Martin_Tröster_2021, title={Joint point loadings in car bodies – the influence of manufacturing tolerances and scatter in material properties}, DOI={10.25518/esaform21.3801}, journal={ESAFORM 2021}, author={Martin, Sven and Tröster, Thomas}, year={2021} }","mla":"Martin, Sven, and Thomas Tröster. “Joint point loadings in car bodies – the influence of manufacturing tolerances and scatter in material properties.” ESAFORM 2021, 2021, doi:10.25518/esaform21.3801.","apa":"Martin, S., & Tröster, T. (2021). Joint point loadings in car bodies – the influence of manufacturing tolerances and scatter in material properties. ESAFORM 2021. https://doi.org/10.25518/esaform21.3801","ama":"Martin S, Tröster T. Joint point loadings in car bodies – the influence of manufacturing tolerances and scatter in material properties. ESAFORM 2021. Published online 2021. doi:10.25518/esaform21.3801","chicago":"Martin, Sven, and Thomas Tröster. “Joint point loadings in car bodies – the influence of manufacturing tolerances and scatter in material properties.” ESAFORM 2021, 2021. https://doi.org/10.25518/esaform21.3801.","ieee":"S. Martin and T. Tröster, “Joint point loadings in car bodies – the influence of manufacturing tolerances and scatter in material properties,” ESAFORM 2021, 2021, doi: 10.25518/esaform21.3801.","short":"S. Martin, T. Tröster, ESAFORM 2021 (2021)."},"main_file_link":[{"open_access":"1","url":"https://popups.uliege.be/esaform21/index.php?id=3801"}],"oa":"1","doi":"10.25518/esaform21.3801","_id":"24548","date_updated":"2023-04-28T11:58:00Z"},{"conference":{"location":"Liège, Belgium","name":"24th International Conference on Material Forming - ESAFORM 2021","start_date":"2021-04-14","end_date":"2021-04-16"},"_id":"23465","main_file_link":[{"open_access":"1","url":"https://popups.uliege.be/esaform21/index.php?id=2759"}],"citation":{"short":"B. Arian, W. Homberg, M. Riepold, A. Trächtler, J. Rozo Vasquez, F. Walther, in: ULiège Library, Liège, 2021.","ieee":"B. Arian, W. Homberg, M. Riepold, A. Trächtler, J. Rozo Vasquez, and F. Walther, “Forming of metastable austenitic stainless steel tubes with axially graded martensite content by flow-forming,” presented at the 24th International Conference on Material Forming - ESAFORM 2021, Liège, Belgium, 2021.","chicago":"Arian, Bahman, Werner Homberg, Markus Riepold, Ansgar Trächtler, Julian Rozo Vasquez, and Frank Walther. “Forming of Metastable Austenitic Stainless Steel Tubes with Axially Graded Martensite Content by Flow-Forming.” Liège: ULiège Library, 2021.","ama":"Arian B, Homberg W, Riepold M, Trächtler A, Rozo Vasquez J, Walther F. Forming of metastable austenitic stainless steel tubes with axially graded martensite content by flow-forming. In: ULiège Library; 2021.","apa":"Arian, B., Homberg, W., Riepold, M., Trächtler, A., Rozo Vasquez, J., & Walther, F. (2021). Forming of metastable austenitic stainless steel tubes with axially graded martensite content by flow-forming. 24th International Conference on Material Forming - ESAFORM 2021, Liège, Belgium.","bibtex":"@inproceedings{Arian_Homberg_Riepold_Trächtler_Rozo Vasquez_Walther_2021, place={Liège}, title={Forming of metastable austenitic stainless steel tubes with axially graded martensite content by flow-forming}, publisher={ULiège Library}, author={Arian, Bahman and Homberg, Werner and Riepold, Markus and Trächtler, Ansgar and Rozo Vasquez, Julian and Walther, Frank}, year={2021} }","mla":"Arian, Bahman, et al. Forming of Metastable Austenitic Stainless Steel Tubes with Axially Graded Martensite Content by Flow-Forming. ULiège Library, 2021."},"year":"2021","type":"conference","abstract":[{"lang":"eng","text":"One of the main objectives of production engineering is to reproducibly manufacture (complex) defect-free parts. To achieve this, it is necessary to employ an appropriate process or tool design. While this will generally prove successful, it cannot, however, offset stochastic defects with local variations in material properties. Closed-loop process control represents a promising approach for a solution in this context. The state of the art involves using this approach to control geometric parameters such as a length. So far, no research or applications have been conducted with closed-loop control for microstructure and product properties. In the project on which this paper is based, the local martensite content of parts is to be adjusted in a highly precise and reproducible manner. The forming process employed is a special, property-controlled flow-forming process. A model-based controller is thus to generate corresponding correction values for the tool-path geometry and tool-path velocity on the basis of online martensite content measurements. For the controller model, it is planned to use a special process or microstructure (correlation) model. The planned paper not only describes the experimental setup but also presents results of initial experimental investigations for subsequent use in the closed-loop control of α’-martensite content during flow-forming."}],"user_id":"36287","keyword":["Flow-forming","Spinning","Process Strategy","Martensite Content","Property Control","Micromagnetic Measurement","Metastable Austenitic Stainless Steel"],"author":[{"last_name":"Arian","id":"36287","first_name":"Bahman","full_name":"Arian, Bahman"},{"full_name":"Homberg, Werner","first_name":"Werner","id":"233","last_name":"Homberg"},{"last_name":"Riepold","first_name":"Markus","full_name":"Riepold, Markus"},{"first_name":"Ansgar","full_name":"Trächtler, Ansgar","last_name":"Trächtler","id":"552"},{"full_name":"Rozo Vasquez, Julian","first_name":"Julian","last_name":"Rozo Vasquez"},{"last_name":"Walther","first_name":"Frank","full_name":"Walther, Frank"}],"publisher":"ULiège Library","quality_controlled":"1","date_created":"2021-08-23T13:00:35Z","status":"public","date_updated":"2023-05-02T08:27:48Z","oa":"1","language":[{"iso":"eng"}],"place":"Liège","title":"Forming of metastable austenitic stainless steel tubes with axially graded martensite content by flow-forming","department":[{"_id":"156"},{"_id":"153"},{"_id":"241"}],"publication_identifier":{"isbn":["978-2-87019-302-0"],"eisbn":["978-2-87019-303-7"]},"publication_status":"published"},{"page":"164-177","year":"2021","citation":{"ieee":"P. Neumann, S. Grüter, L. Eckel, B. Lütje-Klose, E. Wild, and J. Gorges, “Aufgaben und Zuständigkeiten von allgemeinen und sonderpädagogischen Lehrkräften sowie Fachkräften der Schulsozialarbeit in inklusiven Schulen der Sekundarstufe I. Erste Ergebnisse aus dem BiFoKi-Projekt,” Zeitschrift für Heilpädagogik, vol. 73, no. 4, pp. 164–177, 2021.","short":"P. Neumann, S. Grüter, L. Eckel, B. Lütje-Klose, E. Wild, J. Gorges, Zeitschrift für Heilpädagogik 73 (2021) 164–177.","bibtex":"@article{Neumann_Grüter_Eckel_Lütje-Klose_Wild_Gorges_2021, title={Aufgaben und Zuständigkeiten von allgemeinen und sonderpädagogischen Lehrkräften sowie Fachkräften der Schulsozialarbeit in inklusiven Schulen der Sekundarstufe I. Erste Ergebnisse aus dem BiFoKi-Projekt}, volume={73}, number={4}, journal={Zeitschrift für Heilpädagogik}, author={Neumann, Phillip and Grüter, Sandra and Eckel, Lisa and Lütje-Klose, Birgit and Wild, Elke and Gorges, Julia}, year={2021}, pages={164–177} }","mla":"Neumann, Phillip, et al. “Aufgaben und Zuständigkeiten von allgemeinen und sonderpädagogischen Lehrkräften sowie Fachkräften der Schulsozialarbeit in inklusiven Schulen der Sekundarstufe I. Erste Ergebnisse aus dem BiFoKi-Projekt.” Zeitschrift für Heilpädagogik, vol. 73, no. 4, 2021, pp. 164–77.","chicago":"Neumann, Phillip, Sandra Grüter, Lisa Eckel, Birgit Lütje-Klose, Elke Wild, and Julia Gorges. “Aufgaben und Zuständigkeiten von allgemeinen und sonderpädagogischen Lehrkräften sowie Fachkräften der Schulsozialarbeit in inklusiven Schulen der Sekundarstufe I. Erste Ergebnisse aus dem BiFoKi-Projekt.” Zeitschrift für Heilpädagogik 73, no. 4 (2021): 164–77.","apa":"Neumann, P., Grüter, S., Eckel, L., Lütje-Klose, B., Wild, E., & Gorges, J. (2021). Aufgaben und Zuständigkeiten von allgemeinen und sonderpädagogischen Lehrkräften sowie Fachkräften der Schulsozialarbeit in inklusiven Schulen der Sekundarstufe I. Erste Ergebnisse aus dem BiFoKi-Projekt. Zeitschrift für Heilpädagogik, 73(4), 164–177.","ama":"Neumann P, Grüter S, Eckel L, Lütje-Klose B, Wild E, Gorges J. Aufgaben und Zuständigkeiten von allgemeinen und sonderpädagogischen Lehrkräften sowie Fachkräften der Schulsozialarbeit in inklusiven Schulen der Sekundarstufe I. Erste Ergebnisse aus dem BiFoKi-Projekt. Zeitschrift für Heilpädagogik. 2021;73(4):164-177."},"type":"journal_article","intvolume":" 73","_id":"34484","issue":"4","file":[{"date_created":"2022-12-20T13:10:15Z","file_name":"zfh_04.2021_neumann.pdf","access_level":"open_access","file_size":369937,"file_id":"34609","creator":"bpaulina","content_type":"application/pdf","date_updated":"2023-05-05T19:52:14Z","relation":"main_file"}],"file_date_updated":"2023-05-05T19:52:14Z","keyword":["Inklusion","Sonderpädagogik","Sekundarstufe","Gesamtschulen","Kooperation","Schulsozialarbeit","BiFoKi"],"publication":"Zeitschrift für Heilpädagogik","author":[{"first_name":"Phillip","full_name":"Neumann, Phillip","last_name":"Neumann","id":"95559"},{"full_name":"Grüter, Sandra","first_name":"Sandra","last_name":"Grüter"},{"last_name":"Eckel","full_name":"Eckel, Lisa","first_name":"Lisa"},{"last_name":"Lütje-Klose","full_name":"Lütje-Klose, Birgit","first_name":"Birgit"},{"last_name":"Wild","first_name":"Elke","full_name":"Wild, Elke"},{"first_name":"Julia","full_name":"Gorges, Julia","last_name":"Gorges"}],"date_created":"2022-12-17T12:11:42Z","status":"public","has_accepted_license":"1","volume":73,"abstract":[{"text":"Multiprofessionelle Teams sind notwendiger Bestandteil inklusiver Schulen. Die Verteilung von Aufgaben, welche über die Zusammenarbeit von allgemeinen und sonderpädagogischen Lehrkräften im Unterricht hinausgehen, wurde bislang jedoch selten systematisch untersucht. Im Beitrag werden deskriptive Befunde aus dem Projekt BiFoKi (Bielefelder Fortbildungskonzept zur Kooperation in inklusiven Schulen) zu den Zuständigkeiten von allgemeinen (N = 170) und sonderpädagogischen Lehrkräften (N = 24) sowie Schulsozialarbeiterinnen (N = 11) an inklusiven Sekundar- und Gesamtschulen präsentiert. Sie deuten auf eine Persistenz traditioneller Rollenmuster und Aufgabenverteilungen hin. Bei den befragten sonderpädagogischen Lehrkräften können zwei unterschiedliche Rollenmuster herausgearbeitet werden. Die Schulsozialarbeiterinnen weisen ein enges Arbeitsfeld mit einem Fokus auf Eltern-Schule-Kooperation auf.\r\n","lang":"ger"},{"text":"Multiprofessional teams are a vital part of inclusive schools. However, the distribution of tasks that goes beyond the cooperation of teachers and special educators in the classroom has rarely been investigated systematically. This article presents preliminary findings from the BiFoKi project (Bielefeld Training on Co operation in inclusive Schools) on the responsibilities of general teachers (N = 170), special educators (N = 24) and school social workers (N = 11) in inclusive secondary and comprehensive schools. They indicate the persistence of traditional role patterns and task distributions between these three groups. Two different roles of special educators can be identified. The school social workers have a particularly narrow field of work with a focus on parent school cooperation.","lang":"eng"}],"article_type":"original","extern":"1","user_id":"95559","ddc":["370"],"language":[{"iso":"ger"}],"date_updated":"2023-05-05T19:52:14Z","oa":"1","department":[{"_id":"479"}],"publication_identifier":{"issn":["0513-9066"]},"publication_status":"published","title":"Aufgaben und Zuständigkeiten von allgemeinen und sonderpädagogischen Lehrkräften sowie Fachkräften der Schulsozialarbeit in inklusiven Schulen der Sekundarstufe I. Erste Ergebnisse aus dem BiFoKi-Projekt"},{"language":[{"iso":"eng"}],"doi":"10.1016/j.procir.2021.05.119","oa":"1","date_updated":"2023-05-09T18:22:49Z","publication_status":"published","publication_identifier":{"issn":["2212-8271"]},"department":[{"_id":"152"}],"title":"V-model based development of cyber-physical systems and cyber-physical production systems","year":"2021","citation":{"ieee":"I. Gräßler, D. Wiechel, D. Roesmann, and H. Thiele, “V-model based development of cyber-physical systems and cyber-physical production systems,” in Procedia CIRP, 2021, pp. 253–258, doi: 10.1016/j.procir.2021.05.119.","short":"I. Gräßler, D. Wiechel, D. Roesmann, H. Thiele, in: Procedia CIRP, 2021, pp. 253–258.","bibtex":"@inproceedings{Gräßler_Wiechel_Roesmann_Thiele_2021, title={V-model based development of cyber-physical systems and cyber-physical production systems}, DOI={10.1016/j.procir.2021.05.119}, booktitle={Procedia CIRP}, author={Gräßler, Iris and Wiechel, Dominik and Roesmann, Daniel and Thiele, Henrik}, year={2021}, pages={253–258} }","mla":"Gräßler, Iris, et al. “V-Model Based Development of Cyber-Physical Systems and Cyber-Physical Production Systems.” Procedia CIRP, 2021, pp. 253–58, doi:10.1016/j.procir.2021.05.119.","chicago":"Gräßler, Iris, Dominik Wiechel, Daniel Roesmann, and Henrik Thiele. “V-Model Based Development of Cyber-Physical Systems and Cyber-Physical Production Systems.” In Procedia CIRP, 253–58, 2021. https://doi.org/10.1016/j.procir.2021.05.119.","apa":"Gräßler, I., Wiechel, D., Roesmann, D., & Thiele, H. (2021). V-model based development of cyber-physical systems and cyber-physical production systems. Procedia CIRP, 253–258. https://doi.org/10.1016/j.procir.2021.05.119","ama":"Gräßler I, Wiechel D, Roesmann D, Thiele H. V-model based development of cyber-physical systems and cyber-physical production systems. In: Procedia CIRP. ; 2021:253-258. doi:10.1016/j.procir.2021.05.119"},"type":"conference","page":"253-258","main_file_link":[{"url":"https://www.sciencedirect.com/science/article/pii/S2212827121005916","open_access":"1"}],"_id":"24080","conference":{"name":"31st CIRP Design Conference 2021 (CIRP Design 2021)"},"status":"public","date_created":"2021-09-09T13:27:59Z","quality_controlled":"1","author":[{"id":"47565","last_name":"Gräßler","orcid":"0000-0001-5765-971X","full_name":"Gräßler, Iris","first_name":"Iris"},{"last_name":"Wiechel","id":"67161","first_name":"Dominik","full_name":"Wiechel, Dominik"},{"full_name":"Roesmann, Daniel","first_name":"Daniel","id":"54680","last_name":"Roesmann"},{"first_name":"Henrik","full_name":"Thiele, Henrik","last_name":"Thiele","id":"33419"}],"keyword":["Cyber-Physical Production System (CPPS)","V-Model","Product System Development","Integrated Development","VDI 2206"],"publication":"Procedia CIRP","user_id":"67161","abstract":[{"text":"Challenges of the development of mechatronic systems and corresponding production systems have increased steadily. Changes are primarily due to increased product complexity and the connection to the internet of things and services, enabling Cyber-Physical Systems (CPS) and Cyber-Physical Production Systems (CPPS). Major innovations of the revised VDI guideline 2206 for developing mechatronic systems are systems thinking as a core element and six checkpoints for structuring deliverables along the V-Model. These checkpoints serve for orientation in result progress and thus enable a structured and complete development process. However, tasks and checkpoints of the new guideline focus on the product development itself without integrating the development of related CPPS, enabling optimization simultaneously to system development. Implications are derived by a three-step analysis. The paper at hand contributes fundamental extensions of the checkpoint questions regarding integrated CPPS development. These questions provide methodical support for system developers of CPPS for CPS by enabling the project manager to check the status, schedule further development steps and evaluate the maturity of the whole, integrated development.","lang":"eng"}]},{"title":"Malicious Routing: Circumventing Bitstream-level Verification for FPGAs","place":"Alpexpo | Grenoble, France","publication_status":"published","publication_identifier":{"eisbn":["978-3-9819263-5-4"]},"project":[{"name":"SFB 901 - Subproject B4","_id":"12"},{"name":"SFB 901 - Project Area B","_id":"3"},{"_id":"1","name":"SFB 901"}],"department":[{"_id":"78"}],"doi":"10.23919/DATE51398.2021.9474026","oa":"1","date_updated":"2023-05-11T09:16:34Z","language":[{"iso":"eng"}],"ddc":["006"],"user_id":"72764","abstract":[{"text":"The battle of developing hardware Trojans and corresponding countermeasures has taken adversaries towards ingenious ways of compromising hardware designs by circumventing even advanced testing and verification methods. Besides conventional methods of inserting Trojans into a design by a malicious entity, the design flow for field-programmable gate arrays (FPGAs) can also be surreptitiously compromised to assist the attacker to perform a successful malfunctioning or information leakage attack. The advanced stealthy malicious look-up-table (LUT) attack activates a Trojan only when generating the FPGA bitstream and can thus not be detected by register transfer and gate level testing and verification. However, also this attack was recently revealed by a bitstream-level proof-carrying hardware (PCH) approach. In this paper, we present a novel attack that leverages malicious routing of the inserted Trojan circuit to acquire a dormant state even in the generated and transmitted bitstream. The Trojan's payload is connected to primary inputs/outputs of the FPGA via a programmable interconnect point (PIP). The Trojan is detached from inputs/outputs during place-and-route and re-connected only when the FPGA is being programmed, thus activating the Trojan circuit without any need for a trigger logic. Since the Trojan is injected in a post-synthesis step and remains unconnected in the bitstream, the presented attack can currently neither be prevented by conventional testing and verification methods nor by recent bitstream-level verification techniques.","lang":"eng"}],"date_created":"2020-12-07T14:03:00Z","has_accepted_license":"1","status":"public","publication":"2021 Design, Automation & Test in Europe Conference & Exhibition (DATE)","file_date_updated":"2023-05-11T09:16:15Z","publisher":"2021 Design, Automation and Test in Europe Conference (DATE)","author":[{"last_name":"Ahmed","id":"72764","first_name":"Qazi Arbab","orcid":"0000-0002-1837-2254","full_name":"Ahmed, Qazi Arbab"},{"full_name":"Wiersema, Tobias","first_name":"Tobias","id":"3118","last_name":"Wiersema"},{"last_name":"Platzner","id":"398","first_name":"Marco","full_name":"Platzner, Marco"}],"file":[{"access_level":"closed","date_created":"2023-05-11T09:16:15Z","file_name":"1812.pdf","success":1,"relation":"main_file","content_type":"application/pdf","date_updated":"2023-05-11T09:16:15Z","file_id":"44752","creator":"qazi","file_size":394011}],"conference":{"location":"Alpexpo | Grenoble, France","name":"Design, Automation and Test in Europe Conference (DATE'21)","start_date":"2021-02-01","end_date":"2021-02-05"},"_id":"20681","year":"2021","type":"conference","citation":{"ieee":"Q. A. Ahmed, T. Wiersema, and M. Platzner, “Malicious Routing: Circumventing Bitstream-level Verification for FPGAs,” presented at the Design, Automation and Test in Europe Conference (DATE’21), Alpexpo | Grenoble, France, 2021, doi: 10.23919/DATE51398.2021.9474026.","short":"Q.A. Ahmed, T. Wiersema, M. Platzner, in: 2021 Design, Automation & Test in Europe Conference & Exhibition (DATE), 2021 Design, Automation and Test in Europe Conference (DATE), Alpexpo | Grenoble, France, 2021.","mla":"Ahmed, Qazi Arbab, et al. “Malicious Routing: Circumventing Bitstream-Level Verification for FPGAs.” 2021 Design, Automation & Test in Europe Conference & Exhibition (DATE), 2021 Design, Automation and Test in Europe Conference (DATE), 2021, doi:10.23919/DATE51398.2021.9474026.","bibtex":"@inproceedings{Ahmed_Wiersema_Platzner_2021, place={Alpexpo | Grenoble, France}, title={Malicious Routing: Circumventing Bitstream-level Verification for FPGAs}, DOI={10.23919/DATE51398.2021.9474026}, booktitle={2021 Design, Automation & Test in Europe Conference & Exhibition (DATE)}, publisher={2021 Design, Automation and Test in Europe Conference (DATE)}, author={Ahmed, Qazi Arbab and Wiersema, Tobias and Platzner, Marco}, year={2021} }","apa":"Ahmed, Q. A., Wiersema, T., & Platzner, M. (2021). Malicious Routing: Circumventing Bitstream-level Verification for FPGAs. 2021 Design, Automation & Test in Europe Conference & Exhibition (DATE). Design, Automation and Test in Europe Conference (DATE’21), Alpexpo | Grenoble, France. https://doi.org/10.23919/DATE51398.2021.9474026","ama":"Ahmed QA, Wiersema T, Platzner M. Malicious Routing: Circumventing Bitstream-level Verification for FPGAs. In: 2021 Design, Automation & Test in Europe Conference & Exhibition (DATE). 2021 Design, Automation and Test in Europe Conference (DATE); 2021. doi:10.23919/DATE51398.2021.9474026","chicago":"Ahmed, Qazi Arbab, Tobias Wiersema, and Marco Platzner. “Malicious Routing: Circumventing Bitstream-Level Verification for FPGAs.” In 2021 Design, Automation & Test in Europe Conference & Exhibition (DATE). Alpexpo | Grenoble, France: 2021 Design, Automation and Test in Europe Conference (DATE), 2021. https://doi.org/10.23919/DATE51398.2021.9474026."},"main_file_link":[{"open_access":"1"}]},{"intvolume":" 14","_id":"29815","article_number":"7771","issue":"24","main_file_link":[{"open_access":"1","url":"https://www.mdpi.com/1996-1944/14/24/7771/htm"}],"year":"2021","type":"journal_article","citation":{"bibtex":"@article{Křivská_Šlapáková_Veselý_Kihoulou_Fekete_Minárik_Králík_Grydin_Stolbchenko_Schaper_2021, title={Intermetallic Phases Identification and Diffusion Simulation in Twin-Roll Cast Al-Fe Clad Sheet}, volume={14}, DOI={10.3390/ma14247771}, number={247771}, journal={Materials}, publisher={MDPI AG}, author={Křivská, Barbora and Šlapáková, Michaela and Veselý, Jozef and Kihoulou, Martin and Fekete, Klaudia and Minárik, Peter and Králík, Rostislav and Grydin, Olexandr and Stolbchenko, Mykhailo and Schaper, Mirko}, year={2021} }","mla":"Křivská, Barbora, et al. “Intermetallic Phases Identification and Diffusion Simulation in Twin-Roll Cast Al-Fe Clad Sheet.” Materials, vol. 14, no. 24, 7771, MDPI AG, 2021, doi:10.3390/ma14247771.","chicago":"Křivská, Barbora, Michaela Šlapáková, Jozef Veselý, Martin Kihoulou, Klaudia Fekete, Peter Minárik, Rostislav Králík, Olexandr Grydin, Mykhailo Stolbchenko, and Mirko Schaper. “Intermetallic Phases Identification and Diffusion Simulation in Twin-Roll Cast Al-Fe Clad Sheet.” Materials 14, no. 24 (2021). https://doi.org/10.3390/ma14247771.","ama":"Křivská B, Šlapáková M, Veselý J, et al. Intermetallic Phases Identification and Diffusion Simulation in Twin-Roll Cast Al-Fe Clad Sheet. Materials. 2021;14(24). doi:10.3390/ma14247771","apa":"Křivská, B., Šlapáková, M., Veselý, J., Kihoulou, M., Fekete, K., Minárik, P., Králík, R., Grydin, O., Stolbchenko, M., & Schaper, M. (2021). Intermetallic Phases Identification and Diffusion Simulation in Twin-Roll Cast Al-Fe Clad Sheet. Materials, 14(24), Article 7771. https://doi.org/10.3390/ma14247771","ieee":"B. Křivská et al., “Intermetallic Phases Identification and Diffusion Simulation in Twin-Roll Cast Al-Fe Clad Sheet,” Materials, vol. 14, no. 24, Art. no. 7771, 2021, doi: 10.3390/ma14247771.","short":"B. Křivská, M. Šlapáková, J. Veselý, M. Kihoulou, K. Fekete, P. Minárik, R. Králík, O. Grydin, M. Stolbchenko, M. Schaper, Materials 14 (2021)."},"abstract":[{"lang":"eng","text":"Aluminium steel clad materials have high potential for industrial applications. Their mechanical properties are governed by an intermetallic layer, which forms upon heat treatment at the Al-Fe interface. Transmission electron microscopy was employed to identify the phases present at the interface by selective area electron diffraction and energy dispersive spectroscopy. Three phases were identified: orthorhombic Al5Fe2, monoclinic Al13Fe4 and cubic Al19Fe4MnSi2. An effective interdiffusion coefficient dependent on concentration was determined according to the Boltzmann–Matano method. The highest value of the interdiffusion coefficient was reached at the composition of the intermetallic phases. Afterwards, the process of diffusion considering the evaluated interdiffusion coefficient was simulated using the finite element method. Results of the simulations revealed that growth of the intermetallic phases proceeds preferentially in the direction of aluminium."}],"user_id":"43720","publication":"Materials","keyword":["General Materials Science"],"quality_controlled":"1","publisher":"MDPI AG","author":[{"last_name":"Křivská","first_name":"Barbora","full_name":"Křivská, Barbora"},{"first_name":"Michaela","full_name":"Šlapáková, Michaela","last_name":"Šlapáková"},{"full_name":"Veselý, Jozef","first_name":"Jozef","last_name":"Veselý"},{"first_name":"Martin","full_name":"Kihoulou, Martin","last_name":"Kihoulou"},{"last_name":"Fekete","full_name":"Fekete, Klaudia","first_name":"Klaudia"},{"last_name":"Minárik","first_name":"Peter","full_name":"Minárik, Peter"},{"last_name":"Králík","first_name":"Rostislav","full_name":"Králík, Rostislav"},{"first_name":"Olexandr","full_name":"Grydin, Olexandr","last_name":"Grydin","id":"43822"},{"last_name":"Stolbchenko","first_name":"Mykhailo","full_name":"Stolbchenko, Mykhailo"},{"full_name":"Schaper, Mirko","first_name":"Mirko","id":"43720","last_name":"Schaper"}],"volume":14,"date_created":"2022-02-11T17:40:03Z","status":"public","date_updated":"2023-06-01T14:38:18Z","doi":"10.3390/ma14247771","oa":"1","language":[{"iso":"eng"}],"title":"Intermetallic Phases Identification and Diffusion Simulation in Twin-Roll Cast Al-Fe Clad Sheet","department":[{"_id":"158"}],"publication_status":"published","publication_identifier":{"issn":["1996-1944"]}},{"language":[{"iso":"eng"}],"doi":"10.1002/celc.202100216","oa":"1","date_updated":"2023-06-01T14:39:27Z","publication_status":"published","publication_identifier":{"issn":["2196-0216","2196-0216"]},"department":[{"_id":"158"},{"_id":"301"}],"title":"Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte","type":"journal_article","citation":{"short":"K. Engelkemeier, A. Sun, D. Voswinkel, O. Grydin, M. Schaper, W. Bremser, ChemElectroChem (2021) 2155–2168.","ieee":"K. Engelkemeier, A. Sun, D. Voswinkel, O. Grydin, M. Schaper, and W. Bremser, “Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte,” ChemElectroChem, pp. 2155–2168, 2021, doi: 10.1002/celc.202100216.","chicago":"Engelkemeier, Katja, Aijia Sun, Dietrich Voswinkel, Olexandr Grydin, Mirko Schaper, and Wolfgang Bremser. “Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte.” ChemElectroChem, 2021, 2155–68. https://doi.org/10.1002/celc.202100216.","apa":"Engelkemeier, K., Sun, A., Voswinkel, D., Grydin, O., Schaper, M., & Bremser, W. (2021). Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte. ChemElectroChem, 2155–2168. https://doi.org/10.1002/celc.202100216","ama":"Engelkemeier K, Sun A, Voswinkel D, Grydin O, Schaper M, Bremser W. Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte. ChemElectroChem. Published online 2021:2155-2168. doi:10.1002/celc.202100216","bibtex":"@article{Engelkemeier_Sun_Voswinkel_Grydin_Schaper_Bremser_2021, title={Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte}, DOI={10.1002/celc.202100216}, journal={ChemElectroChem}, publisher={Wiley}, author={Engelkemeier, Katja and Sun, Aijia and Voswinkel, Dietrich and Grydin, Olexandr and Schaper, Mirko and Bremser, Wolfgang}, year={2021}, pages={2155–2168} }","mla":"Engelkemeier, Katja, et al. “Zinc Anodizing: Structural Diversity of Anodic Zinc Oxide Controlled by the Type of Electrolyte.” ChemElectroChem, Wiley, 2021, pp. 2155–68, doi:10.1002/celc.202100216."},"year":"2021","page":"2155-2168","main_file_link":[{"url":"https://chemistry-europe.onlinelibrary.wiley.com/doi/10.1002/celc.202100216","open_access":"1"}],"_id":"24566","status":"public","date_created":"2021-09-16T15:56:58Z","quality_controlled":"1","publisher":"Wiley","author":[{"full_name":"Engelkemeier, Katja","first_name":"Katja","id":"21743","last_name":"Engelkemeier"},{"first_name":"Aijia","full_name":"Sun, Aijia","last_name":"Sun"},{"full_name":"Voswinkel, Dietrich","first_name":"Dietrich","id":"52634","last_name":"Voswinkel"},{"id":"43822","last_name":"Grydin","full_name":"Grydin, Olexandr","first_name":"Olexandr"},{"last_name":"Schaper","id":"43720","first_name":"Mirko","full_name":"Schaper, Mirko"},{"last_name":"Bremser","full_name":"Bremser, Wolfgang","first_name":"Wolfgang"}],"publication":"ChemElectroChem","user_id":"43720","article_type":"review"},{"citation":{"ieee":"A. Reitz, O. Grydin, and M. Schaper, “Characterization of phase transformations during graded thermo- mechanical treatment of steel 22MnB5 by means of optical methods ,” Materials Data for Smart Forming Technologies, 2021.","short":"A. Reitz, O. Grydin, M. Schaper, Materials Data for Smart Forming Technologies (2021).","mla":"Reitz, Alexander, et al. “Characterization of Phase Transformations during Graded Thermo- Mechanical Treatment of Steel 22MnB5 by Means of Optical Methods .” Materials Data for Smart Forming Technologies, 2021.","bibtex":"@article{Reitz_Grydin_Schaper_2021, title={Characterization of phase transformations during graded thermo- mechanical treatment of steel 22MnB5 by means of optical methods }, journal={Materials Data for Smart Forming Technologies}, author={Reitz, Alexander and Grydin, Olexandr and Schaper, Mirko}, year={2021} }","ama":"Reitz A, Grydin O, Schaper M. Characterization of phase transformations during graded thermo- mechanical treatment of steel 22MnB5 by means of optical methods . Materials Data for Smart Forming Technologies. Published online 2021.","apa":"Reitz, A., Grydin, O., & Schaper, M. (2021). Characterization of phase transformations during graded thermo- mechanical treatment of steel 22MnB5 by means of optical methods . Materials Data for Smart Forming Technologies. Meform 2021, Freiberg.","chicago":"Reitz, Alexander, Olexandr Grydin, and Mirko Schaper. “Characterization of Phase Transformations during Graded Thermo- Mechanical Treatment of Steel 22MnB5 by Means of Optical Methods .” Materials Data for Smart Forming Technologies, 2021."},"year":"2021","type":"journal_article","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"https://tu-freiberg.de/sites/default/files/media/institut-fuer-metallformung-13630/MEFORM2020/meform_2021_journal.pdf"}],"oa":"1","_id":"23803","date_updated":"2023-06-01T14:40:32Z","conference":{"location":"Freiberg","start_date":"2021-03-18","name":"Meform 2021"},"publication_status":"published","status":"public","date_created":"2021-09-06T13:28:04Z","author":[{"last_name":"Reitz","id":"24803","first_name":"Alexander","orcid":"0000-0001-9047-467X","full_name":"Reitz, Alexander"},{"id":"43822","last_name":"Grydin","full_name":"Grydin, Olexandr","first_name":"Olexandr"},{"id":"43720","last_name":"Schaper","full_name":"Schaper, Mirko","first_name":"Mirko"}],"quality_controlled":"1","department":[{"_id":"158"},{"_id":"321"}],"publication":"Materials Data for Smart Forming Technologies","title":"Characterization of phase transformations during graded thermo- mechanical treatment of steel 22MnB5 by means of optical methods ","user_id":"43720"},{"doi":"10.1111/ffe.13446","oa":"1","_id":"21545","date_updated":"2023-06-06T14:24:51Z","page":"15","citation":{"mla":"Masendorf, Lukas, et al. “Service Life Estimation of Self‐piercing Riveted Joints by Linear Damage Accumulation.” Fatigue & Fracture of Engineering Materials & Structures, 2021, p. 15, doi:10.1111/ffe.13446.","bibtex":"@article{Masendorf_Wächter_Esderts_Otroshi_Meschut_2021, title={Service life estimation of self‐piercing riveted joints by linear damage accumulation}, DOI={10.1111/ffe.13446}, journal={Fatigue & Fracture of Engineering Materials & Structures}, author={Masendorf, Lukas and Wächter, Michael and Esderts, Alfons and Otroshi, Mortaza and Meschut, Gerson}, year={2021}, pages={15} }","chicago":"Masendorf, Lukas, Michael Wächter, Alfons Esderts, Mortaza Otroshi, and Gerson Meschut. “Service Life Estimation of Self‐piercing Riveted Joints by Linear Damage Accumulation.” Fatigue & Fracture of Engineering Materials & Structures, 2021, 15. https://doi.org/10.1111/ffe.13446.","apa":"Masendorf, L., Wächter, M., Esderts, A., Otroshi, M., & Meschut, G. 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Meschut, Fatigue & Fracture of Engineering Materials & Structures (2021) 15."},"type":"journal_article","year":"2021","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1"}],"title":"Service life estimation of self‐piercing riveted joints by linear damage accumulation","user_id":"14931","publication_identifier":{"issn":["8756-758X","1460-2695"]},"publication_status":"published","date_created":"2021-03-19T11:44:35Z","status":"public","publication":"Fatigue & Fracture of Engineering Materials & Structures","department":[{"_id":"157"}],"author":[{"first_name":"Lukas","full_name":"Masendorf, Lukas","last_name":"Masendorf"},{"last_name":"Wächter","full_name":"Wächter, Michael","first_name":"Michael"},{"last_name":"Esderts","full_name":"Esderts, Alfons","first_name":"Alfons"},{"id":"71269","last_name":"Otroshi","full_name":"Otroshi, Mortaza","orcid":"0000-0002-8652-9209","first_name":"Mortaza"},{"id":"32056","last_name":"Meschut","full_name":"Meschut, Gerson","orcid":"0000-0002-2763-1246","first_name":"Gerson"}],"quality_controlled":"1"},{"date_created":"2023-01-13T08:47:46Z","status":"public","volume":3,"publication":"Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education","quality_controlled":"1","author":[{"last_name":"Jensen","first_name":"Solveig","full_name":"Jensen, Solveig"},{"full_name":"Gasteiger, Hedwig","first_name":"Hedwig","last_name":"Gasteiger"},{"first_name":"Julia","full_name":"Bruns, Julia","orcid":"https://orcid.org/0000-0002-6604-5864","last_name":"Bruns","id":"72183"}],"user_id":"49063","page":"101-109","type":"conference","year":"2021","citation":{"chicago":"Jensen, Solveig, Hedwig Gasteiger, and Julia Bruns. “Place Value and Regrouping as Seperate Constructs of Place Value Understanding.” In Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education, edited by Maitree Inprasitha, Narumon Changsri, and Nisakorn Boonsena, 3:101–9, 2021.","apa":"Jensen, S., Gasteiger, H., & Bruns, J. (2021). Place value and regrouping as seperate constructs of place value understanding. In M. Inprasitha, N. Changsri, & N. Boonsena (Eds.), Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education (Vol. 3, pp. 101–109).","short":"S. Jensen, H. Gasteiger, J. Bruns, in: M. Inprasitha, N. Changsri, N. Boonsena (Eds.), Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education, 2021, pp. 101–109.","ama":"Jensen S, Gasteiger H, Bruns J. Place value and regrouping as seperate constructs of place value understanding. In: Inprasitha M, Changsri N, Boonsena N, eds. Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education. Vol 3. ; 2021:101-109.","mla":"Jensen, Solveig, et al. “Place Value and Regrouping as Seperate Constructs of Place Value Understanding.” Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education, edited by Maitree Inprasitha et al., vol. 3, 2021, pp. 101–09.","bibtex":"@inproceedings{Jensen_Gasteiger_Bruns_2021, title={Place value and regrouping as seperate constructs of place value understanding}, volume={3}, booktitle={Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education}, author={Jensen, Solveig and Gasteiger, Hedwig and Bruns, Julia}, editor={Inprasitha, Maitree and Changsri, Narumon and Boonsena, Nisakorn}, year={2021}, pages={101–109} }","ieee":"S. Jensen, H. Gasteiger, and J. Bruns, “Place value and regrouping as seperate constructs of place value understanding,” in Proceedings of the 44th Conference of the International Group for the Psychology of Mathematics Education, Khon Kaen, Thailand, 2021, vol. 3, pp. 101–109."},"main_file_link":[{"url":"https://www.igpme.org/wp-content/uploads/2022/04/Volume-3_final.pdf","open_access":"1"}],"conference":{"location":"Khon Kaen, Thailand","name":"44th Conference of the International Group for the Psychology of Mathematics Education"},"intvolume":" 3","_id":"36527","publication_status":"published","editor":[{"last_name":"Inprasitha","full_name":"Inprasitha, Maitree","first_name":"Maitree"},{"first_name":"Narumon","full_name":"Changsri, Narumon","last_name":"Changsri"},{"last_name":"Boonsena","full_name":"Boonsena, Nisakorn","first_name":"Nisakorn"}],"department":[{"_id":"611"},{"_id":"97"}],"title":"Place value and regrouping as seperate constructs of place value understanding","language":[{"iso":"eng"}],"oa":"1","date_updated":"2023-06-20T19:13:24Z"},{"date_created":"2023-01-13T09:05:16Z","status":"public","publication":"Beiträge zum Mathematikunterricht 2021","author":[{"first_name":"Solveig","full_name":"Jensen, Solveig","last_name":"Jensen"},{"full_name":"Gasteiger, Hedwig","first_name":"Hedwig","last_name":"Gasteiger"},{"last_name":"Bruns","id":"72183","first_name":"Julia","orcid":"https://orcid.org/0000-0002-6604-5864","full_name":"Bruns, Julia"}],"publisher":"WTM-Verlag","user_id":"49063","year":"2021","citation":{"ieee":"S. Jensen, H. Gasteiger, and J. Bruns, “Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte,” in Beiträge zum Mathematikunterricht 2021, Lüneburg, 2021, doi: http://dx.doi.org/10.17877/DE290R-22292.","mla":"Jensen, Solveig, et al. “Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte.” Beiträge zum Mathematikunterricht 2021, edited by Gesellschaft für Didaktik der Mathematik, WTM-Verlag, 2021, doi:http://dx.doi.org/10.17877/DE290R-22292.","bibtex":"@inproceedings{Jensen_Gasteiger_Bruns_2021, title={Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte}, DOI={http://dx.doi.org/10.17877/DE290R-22292}, booktitle={Beiträge zum Mathematikunterricht 2021}, publisher={WTM-Verlag}, author={Jensen, Solveig and Gasteiger, Hedwig and Bruns, Julia}, editor={Gesellschaft für Didaktik der Mathematik}, year={2021} }","apa":"Jensen, S., Gasteiger, H., & Bruns, J. (2021). Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte. In Gesellschaft für Didaktik der Mathematik (Ed.), Beiträge zum Mathematikunterricht 2021. WTM-Verlag. http://dx.doi.org/10.17877/DE290R-22292","short":"S. Jensen, H. Gasteiger, J. Bruns, in: Gesellschaft für Didaktik der Mathematik (Ed.), Beiträge zum Mathematikunterricht 2021, WTM-Verlag, 2021.","ama":"Jensen S, Gasteiger H, Bruns J. Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte. In: Gesellschaft für Didaktik der Mathematik, ed. Beiträge zum Mathematikunterricht 2021. WTM-Verlag; 2021. doi:http://dx.doi.org/10.17877/DE290R-22292","chicago":"Jensen, Solveig, Hedwig Gasteiger, and Julia Bruns. “Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte.” In Beiträge zum Mathematikunterricht 2021, edited by Gesellschaft für Didaktik der Mathematik. WTM-Verlag, 2021. http://dx.doi.org/10.17877/DE290R-22292."},"type":"conference","main_file_link":[{"url":"https://eldorado.tu-dortmund.de/bitstream/2003/40417/1/BzMU21_JENSEN_Stellenwertverständnis.pdf","open_access":"1"}],"corporate_editor":["Gesellschaft für Didaktik der Mathematik"],"conference":{"name":"55. Jahrestagung der Gesellschaft für Didaktik der Mathematik","location":"Lüneburg"},"_id":"36536","publication_status":"published","department":[{"_id":"611"},{"_id":"97"}],"title":"Stellenwertverständnis: Verständnis von Stellenwertprinzip und Bündelungsprinzip als separate Konstrukte","external_id":{"unknown":["00495419692518"]},"language":[{"iso":"ger"}],"doi":"http://dx.doi.org/10.17877/DE290R-22292","oa":"1","date_updated":"2023-06-20T19:15:25Z"},{"user_id":"49063","title":"Corona und Krise. Perspektiven erziehungswissenschaftlicher Frauen- und Geschlechterforschung","status":"public","date_created":"2023-05-29T17:04:22Z","publication_status":"published","author":[{"full_name":"Mattei, Annalisa","first_name":"Annalisa","id":"84086","last_name":"Mattei"},{"full_name":"Eremin, Oxana","first_name":"Oxana","last_name":"Eremin"}],"department":[{"_id":"405"}],"publication":"Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft","oa":"1","_id":"45326","date_updated":"2023-06-20T19:44:58Z","conference":{"location":"Europa-Universität Flensburg ","name":"Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft am 04., 12. und 26. März"},"language":[{"iso":"ger"}],"year":"2021","citation":{"apa":"Mattei, A., & Eremin, O. (2021). Corona und Krise. Perspektiven erziehungswissenschaftlicher Frauen- und Geschlechterforschung. Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft, 87–89.","ama":"Mattei A, Eremin O. Corona und Krise. Perspektiven erziehungswissenschaftlicher Frauen- und Geschlechterforschung. In: Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft. Journal Netzwerk Frauen- und Geschlechterforschung NRW Nr. 49/2021. ; 2021:87-89.","chicago":"Mattei, Annalisa, and Oxana Eremin. “Corona und Krise. Perspektiven erziehungswissenschaftlicher Frauen- und Geschlechterforschung.” In Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft, 87–89. Journal Netzwerk Frauen- und Geschlechterforschung NRW Nr. 49/2021, 2021.","bibtex":"@inproceedings{Mattei_Eremin_2021, series={Journal Netzwerk Frauen- und Geschlechterforschung NRW Nr. 49/2021}, title={Corona und Krise. Perspektiven erziehungswissenschaftlicher Frauen- und Geschlechterforschung}, booktitle={Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft}, author={Mattei, Annalisa and Eremin, Oxana}, year={2021}, pages={87–89}, collection={Journal Netzwerk Frauen- und Geschlechterforschung NRW Nr. 49/2021} }","mla":"Mattei, Annalisa, and Oxana Eremin. “Corona und Krise. Perspektiven erziehungswissenschaftlicher Frauen- und Geschlechterforschung.” Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft, 2021, pp. 87–89.","short":"A. Mattei, O. Eremin, in: Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft, 2021, pp. 87–89.","ieee":"A. Mattei and O. Eremin, “Corona und Krise. Perspektiven erziehungswissenschaftlicher Frauen- und Geschlechterforschung,” in Bericht zur Jahrestagung der Sektion Frauen- und Geschlechterforschung in der Erziehungswissenschaft in der Deutschen Gesellschaft für Erziehungswissenschaft, Europa-Universität Flensburg , 2021, pp. 87–89."},"type":"conference","page":"87-89","series_title":"Journal Netzwerk Frauen- und Geschlechterforschung NRW Nr. 49/2021","main_file_link":[{"url":"https://www.netzwerk-fgf.nrw.de/fileadmin/media/media-fgf/download/publikationen/netzwerk_fgf_journal_49_f_web.pdf","open_access":"1"}]},{"place":"Bonn","title":"Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule","user_id":"49063","department":[{"_id":"451"}],"publication":"Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)","author":[{"last_name":"Schemmer","id":"63477","first_name":"Susanne Jutta","full_name":"Schemmer, Susanne Jutta"},{"first_name":"Dietmar","full_name":"Heisler, Dietmar","last_name":"Heisler"},{"last_name":"Rink","full_name":"Rink, Julia","first_name":"Julia"}],"publisher":"Verlag Barbara Budrich","publication_status":"published","editor":[{"last_name":"Weyland","full_name":"Weyland, Ulrike","first_name":"Ulrike"},{"full_name":"Ziegler, Birgit","first_name":"Birgit","last_name":"Ziegler"},{"last_name":"Driesel-Lange","first_name":"Katja","full_name":"Driesel-Lange, Katja"},{"full_name":"Kruse, Annika","first_name":"Annika","last_name":"Kruse"}],"date_created":"2023-05-29T16:48:44Z","status":"public","date_updated":"2023-06-20T19:48:47Z","_id":"45319","oa":"1","main_file_link":[{"url":"https://www.agbfn.de/dokumente/pdf/AGBFN_Weyland_et_al_Berufsorientierung.pdf","open_access":"1"}],"page":"60-78","citation":{"ieee":"S. J. Schemmer, D. Heisler, and J. Rink, “Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule,” in Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021), U. Weyland, B. Ziegler, K. Driesel-Lange, and A. Kruse, Eds. Bonn: Verlag Barbara Budrich, 2021, pp. 60–78.","short":"S.J. Schemmer, D. Heisler, J. Rink, in: U. Weyland, B. Ziegler, K. Driesel-Lange, A. Kruse (Eds.), Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021), Verlag Barbara Budrich, Bonn, 2021, pp. 60–78.","mla":"Schemmer, Susanne Jutta, et al. “Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule.” Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021), edited by Ulrike Weyland et al., Verlag Barbara Budrich, 2021, pp. 60–78.","bibtex":"@inbook{Schemmer_Heisler_Rink_2021, place={Bonn}, title={Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule}, booktitle={Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)}, publisher={Verlag Barbara Budrich}, author={Schemmer, Susanne Jutta and Heisler, Dietmar and Rink, Julia}, editor={Weyland, Ulrike and Ziegler, Birgit and Driesel-Lange, Katja and Kruse, Annika}, year={2021}, pages={60–78} }","chicago":"Schemmer, Susanne Jutta, Dietmar Heisler, and Julia Rink. “Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule.” In Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021), edited by Ulrike Weyland, Birgit Ziegler, Katja Driesel-Lange, and Annika Kruse, 60–78. Bonn: Verlag Barbara Budrich, 2021.","apa":"Schemmer, S. J., Heisler, D., & Rink, J. (2021). Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule. In U. Weyland, B. Ziegler, K. Driesel-Lange, & A. Kruse (Eds.), Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021) (pp. 60–78). Verlag Barbara Budrich.","ama":"Schemmer SJ, Heisler D, Rink J. Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule. In: Weyland U, Ziegler B, Driesel-Lange K, Kruse A, eds. Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021). Verlag Barbara Budrich; 2021:60-78."},"year":"2021","type":"book_chapter","language":[{"iso":"ger"}]},{"main_file_link":[{"url":"https://dl.acm.org/doi/pdf/10.1145/3468267.3470617","open_access":"1"}],"language":[{"iso":"eng"}],"year":"2021","type":"conference","citation":{"short":"T. Kenter, A. Shambhu, S. Faghih-Naini, V. Aizinger, in: Proceedings of the Platform for Advanced Scientific Computing Conference, ACM, 2021.","ieee":"T. Kenter, A. Shambhu, S. Faghih-Naini, and V. Aizinger, “Algorithm-hardware co-design of a discontinuous Galerkin shallow-water model for a dataflow architecture on FPGA,” 2021, doi: 10.1145/3468267.3470617.","apa":"Kenter, T., Shambhu, A., Faghih-Naini, S., & Aizinger, V. (2021). Algorithm-hardware co-design of a discontinuous Galerkin shallow-water model for a dataflow architecture on FPGA. Proceedings of the Platform for Advanced Scientific Computing Conference. https://doi.org/10.1145/3468267.3470617","ama":"Kenter T, Shambhu A, Faghih-Naini S, Aizinger V. Algorithm-hardware co-design of a discontinuous Galerkin shallow-water model for a dataflow architecture on FPGA. In: Proceedings of the Platform for Advanced Scientific Computing Conference. ACM; 2021. doi:10.1145/3468267.3470617","chicago":"Kenter, Tobias, Adesh Shambhu, Sara Faghih-Naini, and Vadym Aizinger. “Algorithm-Hardware Co-Design of a Discontinuous Galerkin Shallow-Water Model for a Dataflow Architecture on FPGA.” In Proceedings of the Platform for Advanced Scientific Computing Conference. ACM, 2021. https://doi.org/10.1145/3468267.3470617.","mla":"Kenter, Tobias, et al. “Algorithm-Hardware Co-Design of a Discontinuous Galerkin Shallow-Water Model for a Dataflow Architecture on FPGA.” Proceedings of the Platform for Advanced Scientific Computing Conference, ACM, 2021, doi:10.1145/3468267.3470617.","bibtex":"@inproceedings{Kenter_Shambhu_Faghih-Naini_Aizinger_2021, title={Algorithm-hardware co-design of a discontinuous Galerkin shallow-water model for a dataflow architecture on FPGA}, DOI={10.1145/3468267.3470617}, booktitle={Proceedings of the Platform for Advanced Scientific Computing Conference}, publisher={ACM}, author={Kenter, Tobias and Shambhu, Adesh and Faghih-Naini, Sara and Aizinger, Vadym}, year={2021} }"},"date_updated":"2023-07-28T12:03:19Z","_id":"46194","oa":"1","doi":"10.1145/3468267.3470617","author":[{"id":"3145","last_name":"Kenter","full_name":"Kenter, Tobias","first_name":"Tobias"},{"full_name":"Shambhu, Adesh","first_name":"Adesh","last_name":"Shambhu"},{"full_name":"Faghih-Naini, Sara","first_name":"Sara","last_name":"Faghih-Naini"},{"last_name":"Aizinger","first_name":"Vadym","full_name":"Aizinger, Vadym"}],"publisher":"ACM","quality_controlled":"1","department":[{"_id":"27"},{"_id":"518"}],"publication":"Proceedings of the Platform for Advanced Scientific Computing Conference","status":"public","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"date_created":"2023-07-28T11:58:14Z","publication_status":"published","user_id":"3145","title":"Algorithm-hardware co-design of a discontinuous Galerkin shallow-water model for a dataflow architecture on FPGA"},{"language":[{"iso":"ger"}],"doi":"10.14361/9783839456903","oa":"1","date_updated":"2023-09-01T08:11:37Z","editor":[{"last_name":"Neiske","id":"53827","first_name":"Iris","full_name":"Neiske, Iris"},{"last_name":"Osthushenrich","id":"12360","first_name":"Judith","full_name":"Osthushenrich, Judith"},{"first_name":"Niclas","full_name":"Schaper, Niclas","last_name":"Schaper"},{"id":"82117","last_name":"Trier","full_name":"Trier, Ulrike","first_name":"Ulrike"},{"first_name":"Nerea","full_name":"Vöing, Nerea","last_name":"Vöing","id":"5054"}],"publication_identifier":{"issn":["2749-7623","2749-7631"],"isbn":["9783837656909","9783839456903"]},"publication_status":"published","department":[{"_id":"544"}],"title":"Hochschule auf Abstand","place":"Bielefeld, Germany","year":"2021","citation":{"ama":"Neiske I, Osthushenrich J, Schaper N, Trier U, Vöing N, eds. Hochschule auf Abstand. transcript Verlag; 2021. doi:10.14361/9783839456903","apa":"Neiske, I., Osthushenrich, J., Schaper, N., Trier, U., & Vöing, N. (Eds.). (2021). Hochschule auf Abstand. transcript Verlag. https://doi.org/10.14361/9783839456903","chicago":"Neiske, Iris, Judith Osthushenrich, Niclas Schaper, Ulrike Trier, and Nerea Vöing, eds. Hochschule auf Abstand. Bielefeld, Germany: transcript Verlag, 2021. https://doi.org/10.14361/9783839456903.","mla":"Neiske, Iris, et al., editors. Hochschule auf Abstand. transcript Verlag, 2021, doi:10.14361/9783839456903.","bibtex":"@book{Neiske_Osthushenrich_Schaper_Trier_Vöing_2021, place={Bielefeld, Germany}, title={Hochschule auf Abstand}, DOI={10.14361/9783839456903}, publisher={transcript Verlag}, year={2021} }","short":"I. Neiske, J. Osthushenrich, N. Schaper, U. Trier, N. Vöing, eds., Hochschule auf Abstand, transcript Verlag, Bielefeld, Germany, 2021.","ieee":"I. Neiske, J. Osthushenrich, N. Schaper, U. Trier, and N. Vöing, Eds., Hochschule auf Abstand. Bielefeld, Germany: transcript Verlag, 2021."},"type":"book_editor","main_file_link":[{"url":"https://www.transcript-verlag.de/978-3-8376-5690-9/hochschule-auf-abstand/?number=978-3-8394-5690-3","open_access":"1"}],"_id":"46613","alternative_title":["Ein multiperspektivischer Zugang zur digitalen Lehre"],"status":"public","date_created":"2023-08-22T09:23:22Z","publisher":"transcript Verlag","user_id":"12360","abstract":[{"lang":"eng","text":"Trotz massiver Förderungen für die Digitalisierung ist die Präsenzlehre noch immer der Standard an deutschen Hochschulen. Aufgrund des Physical Distancing im Zuge der Corona-Pandemie musste sie jedoch kurzfristig fast vollständig digitalisiert werden. Die Beiträge des Bandes bieten einen multiperspektivischen Zugang zu den damit verbundenen Herausforderungen und beleuchten, wie die verschiedenen Akteur*innen die Umstellung auf digitale Lehr- und Lernformate umgesetzt und erlebt haben. Durch die Zusammenführung der verschiedenen Sichtweisen können die Bedarfe und Wünsche der einzelnen Akteursgruppen zusammengebracht und bei der nachhaltigen Weiterentwicklung der Hochschullehre besser berücksichtigt werden."}]},{"department":[{"_id":"151"}],"editor":[{"last_name":"Do","full_name":"Do, Phuc ","first_name":"Phuc "},{"last_name":"King","first_name":"Steve","full_name":"King, Steve"},{"last_name":"Fink","full_name":"Fink, Olga","first_name":" Olga"}],"publication_identifier":{"unknown":["978-1-936263-34-9"]},"publication_status":"published","title":"Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties","language":[{"iso":"eng"}],"date_updated":"2023-09-22T07:19:48Z","doi":"https://doi.org/10.36001/phme.2021.v6i1.2843 ","oa":"1","quality_controlled":"1","author":[{"id":"54290","last_name":"Bender","full_name":"Bender, Amelie","first_name":"Amelie"},{"first_name":"Walter","full_name":"Sextro, Walter","last_name":"Sextro","id":"21220"}],"keyword":["Hybrid prediction method","Multi-model particle filtering","Uncertainty quantification","RUL estimation"],"publication":"Proceedings of the European Conference of the PHM Society 2021","volume":6,"status":"public","date_created":"2021-07-14T06:29:08Z","abstract":[{"text":"\r\nPredictive Maintenance as a desirable maintenance strategy in industrial applications relies on suitable condition monitoring solutions to reduce costs and risks of the monitored technical systems. In general, those solutions utilize model-based or data-driven methods to diagnose the current state or predict future states of monitored technical systems. However, both methods have their advantages and drawbacks. Combining both methods can improve uncertainty consideration and accuracy. Different combination approaches of those hybrid methods exist to exploit synergy effects. The choice of an appropriate approach depends on different requirements and the goal behind the selection of a hybrid approach.\r\n\r\n \r\n\r\nIn this work, the hybrid approach for estimating remaining useful lifetime takes potential uncertainties into account. Therefore, a data-driven estimation of new measurements is integrated within a model-based method. To consider uncertainties within the system, a differentiation between different system behavior is realized throughout diverse states of degradation.\r\n\r\nThe developed hybrid prediction approach bases on a particle filtering method combined with a machine learning method, to estimate the remaining useful lifetime of technical systems. Particle filtering as a Monte Carlo simulation technique is suitable to map and propagate uncertainties. Moreover, it is a state-of-the-art model-based method for predicting remaining useful lifetime of technical systems. To integrate uncertainties a multi-model particle filtering approach is employed. In general, resampling as a part of the particle filtering approach has the potential to lead to an accurate prediction. However, in the case where no future measurements are available, it may increase the uncertainty of the prediction. By estimating new measurements, those uncertainties are reduced within the data-driven part of the approach. Hence, both parts of the hybrid approach strive to account for and reduce uncertainties.\r\n\r\n \r\n\r\nRubber-metal-elements are employed as a use-case to evaluate the developed approach. Rubber-metal-elements, which are used to isolate vibrations in various systems, such as railways, trucks and wind turbines, show various uncertainties in their behavior and their degradation. Those uncertainties are caused by diverse inner and outer factors, such as manufacturing influences and operating conditions. By expert knowledge the influences are described, analyzed and if possible reduced. However, the remaining uncertainties are considered within the hybrid prediction method. Relative temperature is the selected measurand to describe the element’s degradation. In lifetime tests, it is measured as the difference between the element’s temperature and the ambient temperature. Thereby, the influence of the ambient temperature on the element’s temperature is taken into account. Those elements show three typical states of degradation that are identified within the temperature measurements. Depending on the particular state of degradation a new measurement is estimated within the hybrid approach to reduce potential uncertainties.\r\n\r\nFinally, the performance of the developed hybrid method is compared to a model-based method for estimating the remaining useful lifetime of the same elements. Suitable performance indices are implemented to underline the differences between the results.","lang":"eng"}],"user_id":"54290","main_file_link":[{"url":"https://papers.phmsociety.org/index.php/phme/article/view/2843","open_access":"1"}],"year":"2021","citation":{"short":"A. Bender, W. Sextro, in: P. Do, S. King, Olga Fink (Eds.), Proceedings of the European Conference of the PHM Society 2021, 2021.","ieee":"A. Bender and W. Sextro, “Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties,” in Proceedings of the European Conference of the PHM Society 2021, 2021, vol. 6, no. 1, doi: https://doi.org/10.36001/phme.2021.v6i1.2843 .","chicago":"Bender, Amelie, and Walter Sextro. “Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties.” In Proceedings of the European Conference of the PHM Society 2021, edited by Phuc Do, Steve King, and Olga Fink, Vol. 6, 2021. https://doi.org/10.36001/phme.2021.v6i1.2843 .","apa":"Bender, A., & Sextro, W. (2021). Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties. In P. Do, S. King, & Olga Fink (Eds.), Proceedings of the European Conference of the PHM Society 2021 (Vol. 6, Issue 1). https://doi.org/10.36001/phme.2021.v6i1.2843 ","ama":"Bender A, Sextro W. Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties. In: Do P, King S, Fink Olga, eds. Proceedings of the European Conference of the PHM Society 2021. Vol 6. ; 2021. doi:https://doi.org/10.36001/phme.2021.v6i1.2843 ","bibtex":"@inproceedings{Bender_Sextro_2021, title={Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties}, volume={6}, DOI={https://doi.org/10.36001/phme.2021.v6i1.2843 }, number={1}, booktitle={Proceedings of the European Conference of the PHM Society 2021}, author={Bender, Amelie and Sextro, Walter}, editor={Do, Phuc and King, Steve and Fink, Olga}, year={2021} }","mla":"Bender, Amelie, and Walter Sextro. “Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties.” Proceedings of the European Conference of the PHM Society 2021, edited by Phuc Do et al., vol. 6, no. 1, 2021, doi:https://doi.org/10.36001/phme.2021.v6i1.2843 ."},"type":"conference","_id":"22724","intvolume":" 6","conference":{"name":"6th European Conference of Prognostics and Health Management","start_date":"2021-06-28","end_date":"2021-07-02"},"issue":"1"},{"language":[{"iso":"eng"}],"oa":"1","date_updated":"2023-09-22T08:10:34Z","publication_status":"inpress","department":[{"_id":"151"}],"title":"On the applicability of time series features as health indicators for technical systems operating under varying conditions","year":"2021","type":"conference","citation":{"mla":"Aimiyekagbon, Osarenren Kennedy, et al. “On the Applicability of Time Series Features as Health Indicators for Technical Systems Operating under Varying Conditions.” Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021).","bibtex":"@inproceedings{Aimiyekagbon_Bender_Sextro, title={On the applicability of time series features as health indicators for technical systems operating under varying conditions}, booktitle={Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)}, author={Aimiyekagbon, Osarenren Kennedy and Bender, Amelie and Sextro, Walter} }","apa":"Aimiyekagbon, O. K., Bender, A., & Sextro, W. (n.d.). On the applicability of time series features as health indicators for technical systems operating under varying conditions. Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021). Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021).","ama":"Aimiyekagbon OK, Bender A, Sextro W. On the applicability of time series features as health indicators for technical systems operating under varying conditions. In: Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021).","chicago":"Aimiyekagbon, Osarenren Kennedy, Amelie Bender, and Walter Sextro. “On the Applicability of Time Series Features as Health Indicators for Technical Systems Operating under Varying Conditions.” In Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021), n.d.","ieee":"O. K. Aimiyekagbon, A. Bender, and W. Sextro, “On the applicability of time series features as health indicators for technical systems operating under varying conditions,” presented at the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021).","short":"O.K. Aimiyekagbon, A. Bender, W. Sextro, in: Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021), n.d."},"_id":"22507","conference":{"end_date":"2021-06-18","name":"Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)","start_date":"2021-06-14"},"status":"public","has_accepted_license":"1","date_created":"2021-06-23T05:24:39Z","file":[{"date_updated":"2021-06-23T06:50:07Z","content_type":"application/pdf","description":"This is a post-print version of the article presented at the Seventeenth International Con-ference on Condition Monitoring and Asset Management (CM 2021). The event websiteis available at: https://www.bindt.org/events/CM-2021/ and the abstract is available at:https://www.bindt.org/events/CM-2021/abstract-9a7/.","relation":"main_file","file_size":1875572,"title":"On the applicability of time series features as health indicators for technical systems operating under varying conditions","file_id":"22508","creator":"kennedy","access_level":"open_access","date_created":"2021-06-23T06:43:44Z","file_name":"Aimiyekagbon_et_al_2021_On_the_applicability_of_time_series_features_as_health_indicators_postPrint.pdf"}],"quality_controlled":"1","author":[{"first_name":"Osarenren Kennedy","full_name":"Aimiyekagbon, Osarenren Kennedy","last_name":"Aimiyekagbon","id":"9557"},{"first_name":"Amelie","full_name":"Bender, Amelie","last_name":"Bender","id":"54290"},{"full_name":"Sextro, Walter","first_name":"Walter","id":"21220","last_name":"Sextro"}],"publication":"Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)","file_date_updated":"2021-06-23T06:50:07Z","keyword":["Wind turbine diagnostics","bearing diagnostics","non-stationary operating conditions","varying operating conditions","feature extraction","feature selection","fault detection","failure detection"],"user_id":"9557","ddc":["620"],"abstract":[{"text":"Several methods, including order analysis, wavelet analysis and empirical mode decomposition have been proposed and successfully employed for the health state estimation of technical systems operating under varying conditions. However, where information such as the speed of rotating machinery, component specifications or other domain-specific information is unavailable, such methods are often infeasible. Thus, this paper investigates the application of classical time-domain features, features from the medical field and novel features from the highly comparative time-series analysis (HCTSA) package, for the health state estimation of rotating machinery operating under varying conditions. Furthermore, several feature selection methods are investigated to identify features as viable health indicators for the diagnostics and prognostics of technical systems. As a case study, the presented methods are evaluated on real-world and experimentally acquired vibration data of bearings operating under varying speed. The results show that the selected features can successfully be employed as health indicators for technical systems operating under varying conditions.","lang":"eng"}]},{"language":[{"iso":"eng"}],"date_updated":"2023-09-22T09:13:01Z","doi":"10.36001/phme.2021.v6i1.3042","oa":"1","department":[{"_id":"151"}],"publication_status":"published","editor":[{"first_name":"Phuc","full_name":"Do, Phuc","last_name":"Do"},{"last_name":"King","first_name":"Steve","full_name":"King, Steve"},{"first_name":"Olga","full_name":"Fink, Olga","last_name":"Fink"}],"title":"Rule-based Diagnostics of a Production Line","main_file_link":[{"open_access":"1","url":"http://papers.phmsociety.org/index.php/phme/article/download/3042/1812"}],"page":"527-536","type":"conference","year":"2021","citation":{"ieee":"O. K. Aimiyekagbon, L. Muth, M. C. Wohlleben, A. Bender, and W. Sextro, “Rule-based Diagnostics of a Production Line,” in Proceedings of the European Conference of the PHM Society 2021, 2021, vol. 6, no. 1, pp. 527–536, doi: 10.36001/phme.2021.v6i1.3042.","short":"O.K. Aimiyekagbon, L. Muth, M.C. Wohlleben, A. Bender, W. Sextro, in: P. Do, S. King, O. Fink (Eds.), Proceedings of the European Conference of the PHM Society 2021, 2021, pp. 527–536.","mla":"Aimiyekagbon, Osarenren Kennedy, et al. “Rule-Based Diagnostics of a Production Line.” Proceedings of the European Conference of the PHM Society 2021, edited by Phuc Do et al., vol. 6, no. 1, 2021, pp. 527–36, doi:10.36001/phme.2021.v6i1.3042.","bibtex":"@inproceedings{Aimiyekagbon_Muth_Wohlleben_Bender_Sextro_2021, title={Rule-based Diagnostics of a Production Line}, volume={6}, DOI={10.36001/phme.2021.v6i1.3042}, number={1}, booktitle={Proceedings of the European Conference of the PHM Society 2021}, author={Aimiyekagbon, Osarenren Kennedy and Muth, Lars and Wohlleben, Meike Claudia and Bender, Amelie and Sextro, Walter}, editor={Do, Phuc and King, Steve and Fink, Olga}, year={2021}, pages={527–536} }","chicago":"Aimiyekagbon, Osarenren Kennedy, Lars Muth, Meike Claudia Wohlleben, Amelie Bender, and Walter Sextro. “Rule-Based Diagnostics of a Production Line.” In Proceedings of the European Conference of the PHM Society 2021, edited by Phuc Do, Steve King, and Olga Fink, 6:527–36, 2021. https://doi.org/10.36001/phme.2021.v6i1.3042.","apa":"Aimiyekagbon, O. K., Muth, L., Wohlleben, M. C., Bender, A., & Sextro, W. (2021). Rule-based Diagnostics of a Production Line. In P. Do, S. King, & O. Fink (Eds.), Proceedings of the European Conference of the PHM Society 2021 (Vol. 6, Issue 1, pp. 527–536). https://doi.org/10.36001/phme.2021.v6i1.3042","ama":"Aimiyekagbon OK, Muth L, Wohlleben MC, Bender A, Sextro W. Rule-based Diagnostics of a Production Line. In: Do P, King S, Fink O, eds. Proceedings of the European Conference of the PHM Society 2021. Vol 6. ; 2021:527-536. doi:10.36001/phme.2021.v6i1.3042"},"conference":{"name":"PHM Society European Conference"},"intvolume":" 6","_id":"27111","issue":"1","keyword":["PHME 2021","Feature Selection Classification","Feature Selection Clustering","Interpretable Model","Transparent Model","Industry 4.0","Real-World Diagnostics","Quality Control","Predictive Maintenance"],"publication":"Proceedings of the European Conference of the PHM Society 2021","author":[{"full_name":"Aimiyekagbon, Osarenren Kennedy","first_name":"Osarenren Kennedy","id":"9557","last_name":"Aimiyekagbon"},{"last_name":"Muth","id":"77313","first_name":"Lars","full_name":"Muth, Lars","orcid":"0000-0002-2938-5616"},{"last_name":"Wohlleben","id":"43991","first_name":"Meike Claudia","orcid":"0009-0009-9767-7168","full_name":"Wohlleben, Meike Claudia"},{"id":"54290","last_name":"Bender","full_name":"Bender, Amelie","first_name":"Amelie"},{"last_name":"Sextro","id":"21220","first_name":"Walter","full_name":"Sextro, Walter"}],"quality_controlled":"1","volume":6,"date_created":"2021-11-03T12:26:39Z","status":"public","abstract":[{"lang":"eng","text":"In the industry 4.0 era, there is a growing need to transform unstructured data acquired by a multitude of sources into information and subsequently into knowledge to improve the quality of manufactured products, to boost production, for predictive maintenance, etc. Data-driven approaches, such as machine learning techniques, are typically employed to model the underlying relationship from data. However, an increase in model accuracy with state-of-the-art methods, such as deep convolutional neural networks, results in less interpretability and transparency. Due to the ease of implementation, interpretation and transparency to both domain experts and non-experts, a rule-based method is proposed in this paper, for prognostics and health management (PHM) and specifically for diagnostics. The proposed method utilizes the most relevant sensor signals acquired via feature extraction and selection techniques and expert knowledge. As a case study, the presented method is evaluated on data from a real-world quality control set-up provided by the European prognostics and health management society (PHME) at the conference’s 2021 data challenge. With the proposed method, our team took the third place, capable of successfully diagnosing different fault modes, irrespective of varying conditions."}],"user_id":"9557"},{"language":[{"iso":"eng"}],"date_updated":"2023-09-26T11:42:19Z","doi":"10.1002/cpe.6616","oa":"1","department":[{"_id":"61"},{"_id":"230"},{"_id":"27"},{"_id":"518"}],"publication_status":"published","publication_identifier":{"issn":["1532-0626","1532-0634"]},"project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"33","grant_number":"01|H16005A","name":"HighPerMeshes"}],"title":"The HighPerMeshes framework for numerical algorithms on unstructured grids","page":"e6616","type":"journal_article","citation":{"mla":"Alhaddad, Samer, et al. “The HighPerMeshes Framework for Numerical Algorithms on Unstructured Grids.” Concurrency and Computation: Practice and Experience, 2021, p. e6616, doi:10.1002/cpe.6616.","bibtex":"@article{Alhaddad_Förstner_Groth_Grünewald_Grynko_Hannig_Kenter_Pfreundt_Plessl_Schotte_et al._2021, title={The HighPerMeshes framework for numerical algorithms on unstructured grids}, DOI={10.1002/cpe.6616}, journal={Concurrency and Computation: Practice and Experience}, author={Alhaddad, Samer and Förstner, Jens and Groth, Stefan and Grünewald, Daniel and Grynko, Yevgen and Hannig, Frank and Kenter, Tobias and Pfreundt, Franz‐Josef and Plessl, Christian and Schotte, Merlind and et al.}, year={2021}, pages={e6616} }","apa":"Alhaddad, S., Förstner, J., Groth, S., Grünewald, D., Grynko, Y., Hannig, F., Kenter, T., Pfreundt, F., Plessl, C., Schotte, M., Steinke, T., Teich, J., Weiser, M., & Wende, F. (2021). The HighPerMeshes framework for numerical algorithms on unstructured grids. Concurrency and Computation: Practice and Experience, e6616. https://doi.org/10.1002/cpe.6616","ama":"Alhaddad S, Förstner J, Groth S, et al. The HighPerMeshes framework for numerical algorithms on unstructured grids. Concurrency and Computation: Practice and Experience. Published online 2021:e6616. doi:10.1002/cpe.6616","chicago":"Alhaddad, Samer, Jens Förstner, Stefan Groth, Daniel Grünewald, Yevgen Grynko, Frank Hannig, Tobias Kenter, et al. “The HighPerMeshes Framework for Numerical Algorithms on Unstructured Grids.” Concurrency and Computation: Practice and Experience, 2021, e6616. https://doi.org/10.1002/cpe.6616.","ieee":"S. Alhaddad et al., “The HighPerMeshes framework for numerical algorithms on unstructured grids,” Concurrency and Computation: Practice and Experience, p. e6616, 2021, doi: 10.1002/cpe.6616.","short":"S. Alhaddad, J. Förstner, S. Groth, D. Grünewald, Y. Grynko, F. Hannig, T. Kenter, F. Pfreundt, C. Plessl, M. Schotte, T. Steinke, J. Teich, M. Weiser, F. Wende, Concurrency and Computation: Practice and Experience (2021) e6616."},"year":"2021","_id":"24788","file_date_updated":"2021-09-22T06:19:29Z","keyword":["tet_topic_hpc"],"publication":"Concurrency and Computation: Practice and Experience","author":[{"id":"42456","last_name":"Alhaddad","full_name":"Alhaddad, Samer","first_name":"Samer"},{"id":"158","last_name":"Förstner","full_name":"Förstner, Jens","orcid":"0000-0001-7059-9862","first_name":"Jens"},{"last_name":"Groth","first_name":"Stefan","full_name":"Groth, Stefan"},{"full_name":"Grünewald, Daniel","first_name":"Daniel","last_name":"Grünewald"},{"id":"26059","last_name":"Grynko","full_name":"Grynko, Yevgen","first_name":"Yevgen"},{"full_name":"Hannig, Frank","first_name":"Frank","last_name":"Hannig"},{"id":"3145","last_name":"Kenter","full_name":"Kenter, Tobias","first_name":"Tobias"},{"last_name":"Pfreundt","first_name":"Franz‐Josef","full_name":"Pfreundt, Franz‐Josef"},{"id":"16153","last_name":"Plessl","orcid":"0000-0001-5728-9982","full_name":"Plessl, Christian","first_name":"Christian"},{"last_name":"Schotte","full_name":"Schotte, Merlind","first_name":"Merlind"},{"last_name":"Steinke","full_name":"Steinke, Thomas","first_name":"Thomas"},{"last_name":"Teich","first_name":"Jürgen","full_name":"Teich, Jürgen"},{"last_name":"Weiser","full_name":"Weiser, Martin","first_name":"Martin"},{"last_name":"Wende","full_name":"Wende, Florian","first_name":"Florian"}],"quality_controlled":"1","file":[{"access_level":"open_access","date_created":"2021-09-22T06:19:29Z","file_name":"2021-09 Alhaddad - Concurrency... - The HighPerMeshes framework for numerical algorithms on unstructured grids.pdf","date_updated":"2021-09-22T06:19:29Z","content_type":"application/pdf","relation":"main_file","file_size":2300152,"file_id":"24789","creator":"fossie"}],"date_created":"2021-09-22T06:15:50Z","status":"public","has_accepted_license":"1","ddc":["004"],"user_id":"15278"},{"place":"Oldenburg","title":"Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021","user_id":"84580","author":[{"last_name":"Lammer","id":"84580","first_name":"Christina","full_name":"Lammer, Christina"}],"publisher":"www.kibum.de (Thomas Boyken und Jörn Brüggemann),","status":"public","date_created":"2022-04-27T08:26:44Z","_id":"30961","date_updated":"2023-10-02T08:15:47Z","oa":"1","series_title":"KIBUM \"Wissenschaft in zehn Minuten\"","main_file_link":[{"url":"https://www.kibum.de/documents/vidcasts/2021/transcriptions/02Christina_Lammer-Karime_Keun.pdf","open_access":"1"}],"year":"2021","type":"misc","citation":{"ama":"Lammer C. Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021. www.kibum.de (Thomas Boyken und Jörn Brüggemann),; 2021.","apa":"Lammer, C. (2021). Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021. www.kibum.de (Thomas Boyken und Jörn Brüggemann),.","chicago":"Lammer, Christina. Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021. KIBUM “Wissenschaft in zehn Minuten.” Oldenburg: www.kibum.de (Thomas Boyken und Jörn Brüggemann), 2021.","mla":"Lammer, Christina. Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021. www.kibum.de (Thomas Boyken und Jörn Brüggemann), 2021.","bibtex":"@book{Lammer_2021, place={Oldenburg}, series={KIBUM “Wissenschaft in zehn Minuten”}, title={Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021}, publisher={www.kibum.de (Thomas Boyken und Jörn Brüggemann),}, author={Lammer, Christina}, year={2021}, collection={KIBUM “Wissenschaft in zehn Minuten”} }","short":"C. Lammer, Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021, www.kibum.de (Thomas Boyken und Jörn Brüggemann), Oldenburg, 2021.","ieee":"C. Lammer, Andrea Karimé: Sterne im Kopf und ein unglaublicher Plan. Köln: Peter Hammer Verlag 2021. Oldenburg: www.kibum.de (Thomas Boyken und Jörn Brüggemann), 2021."},"language":[{"iso":"ger"}]},{"department":[{"_id":"15"},{"_id":"230"},{"_id":"289"}],"project":[{"name":"TRR 142","grant_number":"231447078","_id":"53"},{"_id":"54","name":"TRR 142 - Project Area A"},{"name":"TRR 142 - Subproject A8","grant_number":"231447078","_id":"65"},{"name":"TRR 142 - Project Area B","_id":"55"},{"name":"TRR 142 - Subproject B2","_id":"67"},{"grant_number":"231447078","name":"TRR 142 - Subproject A6","_id":"63"}],"publication_status":"published","publication_identifier":{"issn":["2045-2322"]},"title":"Extremely low-energy ARPES of quantum well states in cubic-GaN/AlN and GaAs/AlGaAs heterostructures","language":[{"iso":"eng"}],"date_updated":"2023-10-09T09:15:12Z","oa":"1","doi":"10.1038/s41598-021-98569-6","publication":"Scientific Reports","author":[{"full_name":"Hajlaoui, Mahdi","first_name":"Mahdi","last_name":"Hajlaoui"},{"full_name":"Ponzoni, Stefano","first_name":"Stefano","last_name":"Ponzoni"},{"first_name":"Michael","full_name":"Deppe, Michael","last_name":"Deppe"},{"full_name":"Henksmeier, Tobias","first_name":"Tobias","last_name":"Henksmeier"},{"last_name":"As","id":"14","first_name":"Donat Josef","orcid":"0000-0003-1121-3565","full_name":"As, Donat Josef"},{"full_name":"Reuter, Dirk","first_name":"Dirk","id":"37763","last_name":"Reuter"},{"last_name":"Zentgraf","id":"30525","first_name":"Thomas","full_name":"Zentgraf, Thomas","orcid":"0000-0002-8662-1101"},{"full_name":"Springholz, Gunther","first_name":"Gunther","last_name":"Springholz"},{"full_name":"Schneider, Claus Michael","first_name":"Claus Michael","last_name":"Schneider"},{"last_name":"Cramm","first_name":"Stefan","full_name":"Cramm, Stefan"},{"last_name":"Cinchetti","first_name":"Mirko","full_name":"Cinchetti, Mirko"}],"quality_controlled":"1","date_created":"2021-10-01T07:29:15Z","status":"public","volume":11,"abstract":[{"text":"AbstractQuantum well (QW) heterostructures have been extensively used for the realization of a wide range of optical and electronic devices. Exploiting their potential for further improvement and development requires a fundamental understanding of their electronic structure. So far, the most commonly used experimental techniques for this purpose have been all-optical spectroscopy methods that, however, are generally averaging in momentum space. Additional information can be gained by angle-resolved photoelectron spectroscopy (ARPES), which measures the electronic structure with momentum resolution. Here we report on the use of extremely low-energy ARPES (photon energy ~ 7 eV) to increase depth sensitivity and access buried QW states, located at 3 nm and 6 nm below the surface of cubic-GaN/AlN and GaAs/AlGaAs heterostructures, respectively. We find that the QW states in cubic-GaN/AlN can indeed be observed, but not their energy dispersion, because of the high surface roughness. The GaAs/AlGaAs QW states, on the other hand, are buried too deep to be detected by extremely low-energy ARPES. Since the sample surface is much flatter, the ARPES spectra of the GaAs/AlGaAs show distinct features in momentum space, which can be reconducted to the band structure of the topmost surface layer of the QW structure. Our results provide important information about the samples’ properties required to perform extremely low-energy ARPES experiments on electronic states buried in semiconductor heterostructures.","lang":"eng"}],"article_type":"original","user_id":"14931","main_file_link":[{"url":"https://www.nature.com/articles/s41598-021-98569-6","open_access":"1"}],"type":"journal_article","citation":{"apa":"Hajlaoui, M., Ponzoni, S., Deppe, M., Henksmeier, T., As, D. J., Reuter, D., Zentgraf, T., Springholz, G., Schneider, C. M., Cramm, S., & Cinchetti, M. (2021). Extremely low-energy ARPES of quantum well states in cubic-GaN/AlN and GaAs/AlGaAs heterostructures. Scientific Reports, 11, Article 19081. https://doi.org/10.1038/s41598-021-98569-6","ama":"Hajlaoui M, Ponzoni S, Deppe M, et al. Extremely low-energy ARPES of quantum well states in cubic-GaN/AlN and GaAs/AlGaAs heterostructures. Scientific Reports. 2021;11. doi:10.1038/s41598-021-98569-6","chicago":"Hajlaoui, Mahdi, Stefano Ponzoni, Michael Deppe, Tobias Henksmeier, Donat Josef As, Dirk Reuter, Thomas Zentgraf, et al. “Extremely Low-Energy ARPES of Quantum Well States in Cubic-GaN/AlN and GaAs/AlGaAs Heterostructures.” Scientific Reports 11 (2021). https://doi.org/10.1038/s41598-021-98569-6.","bibtex":"@article{Hajlaoui_Ponzoni_Deppe_Henksmeier_As_Reuter_Zentgraf_Springholz_Schneider_Cramm_et al._2021, title={Extremely low-energy ARPES of quantum well states in cubic-GaN/AlN and GaAs/AlGaAs heterostructures}, volume={11}, DOI={10.1038/s41598-021-98569-6}, number={19081}, journal={Scientific Reports}, author={Hajlaoui, Mahdi and Ponzoni, Stefano and Deppe, Michael and Henksmeier, Tobias and As, Donat Josef and Reuter, Dirk and Zentgraf, Thomas and Springholz, Gunther and Schneider, Claus Michael and Cramm, Stefan and et al.}, year={2021} }","mla":"Hajlaoui, Mahdi, et al. “Extremely Low-Energy ARPES of Quantum Well States in Cubic-GaN/AlN and GaAs/AlGaAs Heterostructures.” Scientific Reports, vol. 11, 19081, 2021, doi:10.1038/s41598-021-98569-6.","short":"M. Hajlaoui, S. Ponzoni, M. Deppe, T. Henksmeier, D.J. As, D. Reuter, T. Zentgraf, G. Springholz, C.M. Schneider, S. Cramm, M. Cinchetti, Scientific Reports 11 (2021).","ieee":"M. Hajlaoui et al., “Extremely low-energy ARPES of quantum well states in cubic-GaN/AlN and GaAs/AlGaAs heterostructures,” Scientific Reports, vol. 11, Art. no. 19081, 2021, doi: 10.1038/s41598-021-98569-6."},"year":"2021","intvolume":" 11","_id":"25227","article_number":"19081"},{"title":"A Comparison and Combination of Unsupervised Blind Source Separation Techniques","external_id":{"arxiv":["2106.05627"]},"department":[{"_id":"54"}],"oa":"1","date_updated":"2023-11-15T15:29:32Z","language":[{"iso":"eng"}],"ddc":["000"],"user_id":"40767","abstract":[{"lang":"eng","text":"Unsupervised blind source separation methods do not require a training phase\r\nand thus cannot suffer from a train-test mismatch, which is a common concern in\r\nneural network based source separation. The unsupervised techniques can be\r\ncategorized in two classes, those building upon the sparsity of speech in the\r\nShort-Time Fourier transform domain and those exploiting non-Gaussianity or\r\nnon-stationarity of the source signals. In this contribution, spatial mixture\r\nmodels which fall in the first category and independent vector analysis (IVA)\r\nas a representative of the second category are compared w.r.t. their separation\r\nperformance and the performance of a downstream speech recognizer on a\r\nreverberant dataset of reasonable size. Furthermore, we introduce a serial\r\nconcatenation of the two, where the result of the mixture model serves as\r\ninitialization of IVA, which achieves significantly better WER performance than\r\neach algorithm individually and even approaches the performance of a much more\r\ncomplex neural network based technique."}],"date_created":"2023-05-15T07:59:33Z","has_accepted_license":"1","status":"public","file_date_updated":"2023-11-15T15:29:32Z","publication":"ITG Conference on Speech Communication","author":[{"id":"40767","last_name":"Boeddeker","full_name":"Boeddeker, Christoph","first_name":"Christoph"},{"full_name":"Rautenberg, Frederik","first_name":"Frederik","id":"72602","last_name":"Rautenberg"},{"first_name":"Reinhold","full_name":"Haeb-Umbach, Reinhold","last_name":"Haeb-Umbach","id":"242"}],"file":[{"file_id":"44856","creator":"frra","file_size":295972,"relation":"main_file","content_type":"application/pdf","date_updated":"2023-11-15T15:29:32Z","file_name":"2106.05627.pdf","date_created":"2023-05-16T08:37:31Z","access_level":"open_access"}],"conference":{"name":"ITG Conference on Speech Communication","location":"Kiel"},"_id":"44843","year":"2021","citation":{"ieee":"C. Boeddeker, F. Rautenberg, and R. Haeb-Umbach, “A Comparison and Combination of Unsupervised Blind Source Separation Techniques,” presented at the ITG Conference on Speech Communication, Kiel, 2021.","short":"C. Boeddeker, F. Rautenberg, R. Haeb-Umbach, in: ITG Conference on Speech Communication, 2021.","mla":"Boeddeker, Christoph, et al. “A Comparison and Combination of Unsupervised Blind Source Separation Techniques.” ITG Conference on Speech Communication, 2021.","bibtex":"@inproceedings{Boeddeker_Rautenberg_Haeb-Umbach_2021, title={A Comparison and Combination of Unsupervised Blind Source Separation Techniques}, booktitle={ITG Conference on Speech Communication}, author={Boeddeker, Christoph and Rautenberg, Frederik and Haeb-Umbach, Reinhold}, year={2021} }","apa":"Boeddeker, C., Rautenberg, F., & Haeb-Umbach, R. (2021). A Comparison and Combination of Unsupervised Blind Source Separation Techniques. ITG Conference on Speech Communication. ITG Conference on Speech Communication, Kiel.","ama":"Boeddeker C, Rautenberg F, Haeb-Umbach R. A Comparison and Combination of Unsupervised Blind Source Separation Techniques. In: ITG Conference on Speech Communication. ; 2021.","chicago":"Boeddeker, Christoph, Frederik Rautenberg, and Reinhold Haeb-Umbach. “A Comparison and Combination of Unsupervised Blind Source Separation Techniques.” In ITG Conference on Speech Communication, 2021."},"type":"conference","main_file_link":[{"open_access":"1","url":"https://arxiv.org/pdf/2106.05627.pdf"}]}]