[{"type":"journal_article","keyword":["General Physics and Astronomy","General Biochemistry","Genetics and Molecular Biology","General Chemistry","Multidisciplinary"],"department":[{"_id":"15"},{"_id":"297"},{"_id":"230"},{"_id":"429"},{"_id":"27"},{"_id":"623"},{"_id":"170"},{"_id":"35"}],"date_created":"2023-01-27T13:41:42Z","abstract":[{"text":"<jats:title>Abstract</jats:title><jats:p>Tailored nanoscale quantum light sources, matching the specific needs of use cases, are crucial building blocks for photonic quantum technologies. Several different approaches to realize solid-state quantum emitters with high performance have been pursued and different concepts for energy tuning have been established. However, the properties of the emitted photons are always defined by the individual quantum emitter and can therefore not be controlled with full flexibility. Here we introduce an all-optical nonlinear method to tailor and control the single photon emission. We demonstrate a laser-controlled down-conversion process from an excited state of a semiconductor quantum three-level system. Based on this concept, we realize energy tuning and polarization control of the single photon emission with a control-laser field. Our results mark an important step towards tailored single photon emission from a photonic quantum system based on quantum optical principles.</jats:p>","lang":"eng"}],"publication":"Nature Communications","issue":"1","doi":"10.1038/s41467-022-28993-3","article_number":"1387","language":[{"iso":"eng"}],"publication_status":"published","date_updated":"2023-04-20T15:18:31Z","intvolume":"        13","year":"2022","title":"Nonlinear down-conversion in a single quantum dot","publication_identifier":{"issn":["2041-1723"]},"author":[{"full_name":"Jonas, B.","first_name":"B.","last_name":"Jonas"},{"id":"10904","first_name":"Dirk Florian","last_name":"Heinze","full_name":"Heinze, Dirk Florian"},{"full_name":"Schöll, E.","last_name":"Schöll","first_name":"E."},{"first_name":"P.","last_name":"Kallert","full_name":"Kallert, P."},{"full_name":"Langer, T.","first_name":"T.","last_name":"Langer"},{"first_name":"S.","last_name":"Krehs","full_name":"Krehs, S."},{"full_name":"Widhalm, A.","first_name":"A.","last_name":"Widhalm"},{"full_name":"Jöns, Klaus","first_name":"Klaus","last_name":"Jöns","id":"85353"},{"full_name":"Reuter, Dirk","first_name":"Dirk","last_name":"Reuter","id":"37763"},{"id":"27271","full_name":"Schumacher, Stefan","orcid":"0000-0003-4042-4951","last_name":"Schumacher","first_name":"Stefan"},{"id":"606","full_name":"Zrenner, Artur","orcid":"0000-0002-5190-0944","last_name":"Zrenner","first_name":"Artur"}],"project":[{"name":"TRR 142: TRR 142","_id":"53"},{"_id":"54","name":"TRR 142 - A: TRR 142 - Project Area A"},{"name":"TRR 142 - A03: TRR 142 - Subproject A03","_id":"60"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"citation":{"ama":"Jonas B, Heinze DF, Schöll E, et al. Nonlinear down-conversion in a single quantum dot. <i>Nature Communications</i>. 2022;13(1). doi:<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>","bibtex":"@article{Jonas_Heinze_Schöll_Kallert_Langer_Krehs_Widhalm_Jöns_Reuter_Schumacher_et al._2022, title={Nonlinear down-conversion in a single quantum dot}, volume={13}, DOI={<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>}, number={11387}, journal={Nature Communications}, publisher={Springer Science and Business Media LLC}, author={Jonas, B. and Heinze, Dirk Florian and Schöll, E. and Kallert, P. and Langer, T. and Krehs, S. and Widhalm, A. and Jöns, Klaus and Reuter, Dirk and Schumacher, Stefan and et al.}, year={2022} }","mla":"Jonas, B., et al. “Nonlinear Down-Conversion in a Single Quantum Dot.” <i>Nature Communications</i>, vol. 13, no. 1, 1387, Springer Science and Business Media LLC, 2022, doi:<a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>.","short":"B. Jonas, D.F. Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, K. Jöns, D. Reuter, S. Schumacher, A. Zrenner, Nature Communications 13 (2022).","chicago":"Jonas, B., Dirk Florian Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, et al. “Nonlinear Down-Conversion in a Single Quantum Dot.” <i>Nature Communications</i> 13, no. 1 (2022). <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">https://doi.org/10.1038/s41467-022-28993-3</a>.","apa":"Jonas, B., Heinze, D. F., Schöll, E., Kallert, P., Langer, T., Krehs, S., Widhalm, A., Jöns, K., Reuter, D., Schumacher, S., &#38; Zrenner, A. (2022). Nonlinear down-conversion in a single quantum dot. <i>Nature Communications</i>, <i>13</i>(1), Article 1387. <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">https://doi.org/10.1038/s41467-022-28993-3</a>","ieee":"B. Jonas <i>et al.</i>, “Nonlinear down-conversion in a single quantum dot,” <i>Nature Communications</i>, vol. 13, no. 1, Art. no. 1387, 2022, doi: <a href=\"https://doi.org/10.1038/s41467-022-28993-3\">10.1038/s41467-022-28993-3</a>."},"user_id":"16199","volume":13,"_id":"40523","publisher":"Springer Science and Business Media LLC","status":"public"},{"department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"290"},{"_id":"230"},{"_id":"429"},{"_id":"623"},{"_id":"35"}],"type":"journal_article","date_created":"2023-01-26T15:45:42Z","issue":"4","publication":"Physical Review B","doi":"10.1103/physrevb.105.045302","language":[{"iso":"eng"}],"article_number":"045302","intvolume":"       105","publication_status":"published","date_updated":"2023-04-20T15:19:24Z","author":[{"last_name":"Praschan","first_name":"Tom","full_name":"Praschan, Tom"},{"first_name":"Dirk","last_name":"Heinze","full_name":"Heinze, Dirk"},{"full_name":"Breddermann, Dominik","first_name":"Dominik","last_name":"Breddermann"},{"id":"606","last_name":"Zrenner","orcid":"0000-0002-5190-0944","first_name":"Artur","full_name":"Zrenner, Artur"},{"first_name":"Andrea","last_name":"Walther","full_name":"Walther, Andrea"},{"id":"27271","orcid":"0000-0003-4042-4951","first_name":"Stefan","last_name":"Schumacher","full_name":"Schumacher, Stefan"}],"publication_identifier":{"issn":["2469-9950","2469-9969"]},"year":"2022","title":"Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton","project":[{"_id":"53","name":"TRR 142: TRR 142"},{"_id":"54","name":"TRR 142 - A: TRR 142 - Project Area A"},{"name":"TRR 142 - A3: TRR 142 - Subproject A3","_id":"60"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"citation":{"apa":"Praschan, T., Heinze, D., Breddermann, D., Zrenner, A., Walther, A., &#38; Schumacher, S. (2022). Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton. <i>Physical Review B</i>, <i>105</i>(4), Article 045302. <a href=\"https://doi.org/10.1103/physrevb.105.045302\">https://doi.org/10.1103/physrevb.105.045302</a>","ieee":"T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, and S. Schumacher, “Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton,” <i>Physical Review B</i>, vol. 105, no. 4, Art. no. 045302, 2022, doi: <a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>.","chicago":"Praschan, Tom, Dirk Heinze, Dominik Breddermann, Artur Zrenner, Andrea Walther, and Stefan Schumacher. “Pulse Shaping for On-Demand Emission of Single Raman Photons from a Quantum-Dot Biexciton.” <i>Physical Review B</i> 105, no. 4 (2022). <a href=\"https://doi.org/10.1103/physrevb.105.045302\">https://doi.org/10.1103/physrevb.105.045302</a>.","short":"T. Praschan, D. Heinze, D. Breddermann, A. Zrenner, A. Walther, S. Schumacher, Physical Review B 105 (2022).","mla":"Praschan, Tom, et al. “Pulse Shaping for On-Demand Emission of Single Raman Photons from a Quantum-Dot Biexciton.” <i>Physical Review B</i>, vol. 105, no. 4, 045302, American Physical Society (APS), 2022, doi:<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>.","ama":"Praschan T, Heinze D, Breddermann D, Zrenner A, Walther A, Schumacher S. Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton. <i>Physical Review B</i>. 2022;105(4). doi:<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>","bibtex":"@article{Praschan_Heinze_Breddermann_Zrenner_Walther_Schumacher_2022, title={Pulse shaping for on-demand emission of single Raman photons from a quantum-dot biexciton}, volume={105}, DOI={<a href=\"https://doi.org/10.1103/physrevb.105.045302\">10.1103/physrevb.105.045302</a>}, number={4045302}, journal={Physical Review B}, publisher={American Physical Society (APS)}, author={Praschan, Tom and Heinze, Dirk and Breddermann, Dominik and Zrenner, Artur and Walther, Andrea and Schumacher, Stefan}, year={2022} }"},"volume":105,"user_id":"16199","publisher":"American Physical Society (APS)","_id":"40431","status":"public"},{"citation":{"ieee":"B. Jonas <i>et al.</i>, <i>Nonlinear down-conversion in a single quantum dot</i>. LibreCat University, 2022.","apa":"Jonas, B., Heinze, D. F., Schöll, E., Kallert, P., Langer, T., Krehs, S., Widhalm, A., Jöns, K., Reuter, D., &#38; Zrenner, A. (2022). <i>Nonlinear down-conversion in a single quantum dot</i>. LibreCat University. <a href=\"https://doi.org/10.5281/ZENODO.6024228\">https://doi.org/10.5281/ZENODO.6024228</a>","chicago":"Jonas, Björn, Dirk Florian Heinze, Eva Schöll, Patricia Kallert, Timo Langer, Sebastian Krehs, Alex Widhalm, Klaus Jöns, Dirk Reuter, and Artur Zrenner. <i>Nonlinear Down-Conversion in a Single Quantum Dot</i>. LibreCat University, 2022. <a href=\"https://doi.org/10.5281/ZENODO.6024228\">https://doi.org/10.5281/ZENODO.6024228</a>.","short":"B. Jonas, D.F. Heinze, E. Schöll, P. Kallert, T. Langer, S. Krehs, A. Widhalm, K. Jöns, D. Reuter, A. Zrenner, Nonlinear Down-Conversion in a Single Quantum Dot, LibreCat University, 2022.","mla":"Jonas, Björn, et al. <i>Nonlinear Down-Conversion in a Single Quantum Dot</i>. LibreCat University, 2022, doi:<a href=\"https://doi.org/10.5281/ZENODO.6024228\">10.5281/ZENODO.6024228</a>.","bibtex":"@book{Jonas_Heinze_Schöll_Kallert_Langer_Krehs_Widhalm_Jöns_Reuter_Zrenner_2022, title={Nonlinear down-conversion in a single quantum dot}, DOI={<a href=\"https://doi.org/10.5281/ZENODO.6024228\">10.5281/ZENODO.6024228</a>}, publisher={LibreCat University}, author={Jonas, Björn and Heinze, Dirk Florian and Schöll, Eva and Kallert, Patricia and Langer, Timo and Krehs, Sebastian and Widhalm, Alex and Jöns, Klaus and Reuter, Dirk and Zrenner, Artur}, year={2022} }","ama":"Jonas B, Heinze DF, Schöll E, et al. <i>Nonlinear Down-Conversion in a Single Quantum Dot</i>. LibreCat University; 2022. doi:<a href=\"https://doi.org/10.5281/ZENODO.6024228\">10.5281/ZENODO.6024228</a>"},"project":[{"name":"TRR 142: TRR 142","_id":"53"},{"_id":"54","name":"TRR 142 - A: TRR 142 - Project Area A"},{"name":"TRR 142 - A3: TRR 142 - Subproject A3","_id":"60"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"}],"date_created":"2023-01-26T15:38:28Z","type":"research_data","department":[{"_id":"15"},{"_id":"170"},{"_id":"297"},{"_id":"290"},{"_id":"292"},{"_id":"642"},{"_id":"230"},{"_id":"429"},{"_id":"35"}],"status":"public","title":"Nonlinear down-conversion in a single quantum dot","year":"2022","author":[{"first_name":"Björn","last_name":"Jonas","full_name":"Jonas, Björn"},{"id":"10904","last_name":"Heinze","first_name":"Dirk Florian","full_name":"Heinze, Dirk Florian"},{"full_name":"Schöll, Eva","last_name":"Schöll","first_name":"Eva"},{"first_name":"Patricia","last_name":"Kallert","full_name":"Kallert, Patricia"},{"last_name":"Langer","first_name":"Timo","full_name":"Langer, Timo"},{"last_name":"Krehs","first_name":"Sebastian","full_name":"Krehs, Sebastian"},{"full_name":"Widhalm, Alex","first_name":"Alex","last_name":"Widhalm"},{"first_name":"Klaus","last_name":"Jöns","full_name":"Jöns, Klaus","id":"85353"},{"full_name":"Reuter, Dirk","last_name":"Reuter","first_name":"Dirk","id":"37763"},{"last_name":"Zrenner","first_name":"Artur","orcid":"0000-0002-5190-0944","full_name":"Zrenner, Artur","id":"606"}],"date_updated":"2023-04-20T15:18:48Z","_id":"40428","publisher":"LibreCat University","doi":"10.5281/ZENODO.6024228","user_id":"16199"},{"department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"429"},{"_id":"35"},{"_id":"790"}],"type":"journal_article","keyword":["General Materials Science","General Chemistry"],"date_created":"2023-01-20T11:18:44Z","abstract":[{"lang":"eng","text":"<jats:title>Abstract</jats:title><jats:p>Polarons influence decisively the performance of lithium niobate for optical applications. In this work, the formation of (defect) bound polarons in lithium niobate is studied by ab initio molecular dynamics. The calculations show a broad scatter of polaron formation times. Rising temperature increases the share of trajectories with long formation times, which leads to an overall increase of the average formation time with temperature. However, even at elevated temperatures, the average formation time does not exceed the value of 100 femtoseconds, i.e., a value close to the time measured for free, i.e., self-trapped polarons. Analyzing individual trajectories, it is found that the time required for the structural relaxation of the polarons depends sensitively on the excitation of the lithium niobate high-frequency phonon modes and their phase relation.</jats:p>"}],"publication":"Applied Physics A","doi":"10.1007/s00339-022-05577-y","language":[{"iso":"eng"}],"intvolume":"       128","date_updated":"2023-04-21T11:06:37Z","publication_status":"published","publication_identifier":{"issn":["0947-8396","1432-0630"]},"author":[{"first_name":"Marvin","last_name":"Krenz","full_name":"Krenz, Marvin","id":"52309"},{"id":"171","full_name":"Gerstmann, Uwe","last_name":"Gerstmann","first_name":"Uwe","orcid":"0000-0002-4476-223X"},{"id":"468","full_name":"Schmidt, Wolf Gero","first_name":"Wolf Gero","last_name":"Schmidt","orcid":"0000-0002-2717-5076"}],"title":"Bound polaron formation in lithium niobate from ab initio molecular dynamics","year":"2022","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - B: TRR 142 - Project Area B","_id":"55"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"_id":"166","name":"TRR 142 - A11: TRR 142 - Subproject A11"},{"_id":"168","name":"TRR 142 - B07: TRR 142 - Subproject B07"}],"citation":{"ama":"Krenz M, Gerstmann U, Schmidt WG. Bound polaron formation in lithium niobate from ab initio molecular dynamics. <i>Applied Physics A</i>. 2022;128:480. doi:<a href=\"https://doi.org/10.1007/s00339-022-05577-y\">10.1007/s00339-022-05577-y</a>","bibtex":"@article{Krenz_Gerstmann_Schmidt_2022, title={Bound polaron formation in lithium niobate from ab initio molecular dynamics}, volume={128}, DOI={<a href=\"https://doi.org/10.1007/s00339-022-05577-y\">10.1007/s00339-022-05577-y</a>}, journal={Applied Physics A}, publisher={Springer Science and Business Media LLC}, author={Krenz, Marvin and Gerstmann, Uwe and Schmidt, Wolf Gero}, year={2022}, pages={480} }","mla":"Krenz, Marvin, et al. “Bound Polaron Formation in Lithium Niobate from Ab Initio Molecular Dynamics.” <i>Applied Physics A</i>, vol. 128, Springer Science and Business Media LLC, 2022, p. 480, doi:<a href=\"https://doi.org/10.1007/s00339-022-05577-y\">10.1007/s00339-022-05577-y</a>.","chicago":"Krenz, Marvin, Uwe Gerstmann, and Wolf Gero Schmidt. “Bound Polaron Formation in Lithium Niobate from Ab Initio Molecular Dynamics.” <i>Applied Physics A</i> 128 (2022): 480. <a href=\"https://doi.org/10.1007/s00339-022-05577-y\">https://doi.org/10.1007/s00339-022-05577-y</a>.","short":"M. Krenz, U. Gerstmann, W.G. Schmidt, Applied Physics A 128 (2022) 480.","apa":"Krenz, M., Gerstmann, U., &#38; Schmidt, W. G. (2022). Bound polaron formation in lithium niobate from ab initio molecular dynamics. <i>Applied Physics A</i>, <i>128</i>, 480. <a href=\"https://doi.org/10.1007/s00339-022-05577-y\">https://doi.org/10.1007/s00339-022-05577-y</a>","ieee":"M. Krenz, U. Gerstmann, and W. G. Schmidt, “Bound polaron formation in lithium niobate from ab initio molecular dynamics,” <i>Applied Physics A</i>, vol. 128, p. 480, 2022, doi: <a href=\"https://doi.org/10.1007/s00339-022-05577-y\">10.1007/s00339-022-05577-y</a>."},"volume":128,"user_id":"171","_id":"37711","publisher":"Springer Science and Business Media LLC","page":"480","status":"public"},{"date_created":"2023-04-16T01:31:32Z","department":[{"_id":"293"},{"_id":"35"},{"_id":"15"},{"_id":"170"},{"_id":"230"},{"_id":"35"},{"_id":"482"},{"_id":"706"},{"_id":"288"}],"type":"conference","publication":"Conference on Lasers and Electro-Optics: Applications and Technology","abstract":[{"lang":"eng","text":"We demonstrate theoretically and experimentally complex correlations in the photon numbers of two-mode quantum states using measurement-induced nonlinearity. For this, we combine the interference of coherent states and single photons with photon sub-traction."}],"language":[{"iso":"eng"}],"main_file_link":[{"url":"https://opg.optica.org/abstract.cfm?uri=CLEO_AT-2022-JTu3A.17"}],"doi":"10.1364/CLEO_AT.2022.JTu3A.17","author":[{"id":"344","last_name":"Meier","orcid":"0000-0001-8864-2072","first_name":"Torsten","full_name":"Meier, Torsten"},{"last_name":"Hoepker","first_name":"Jan Philipp","full_name":"Hoepker, Jan Philipp"},{"id":"46170","full_name":"Protte, Maximilian","first_name":"Maximilian","last_name":"Protte"},{"id":"13244","orcid":"https://orcid.org/0000-0002-5693-3083","first_name":"Christof","last_name":"Eigner","full_name":"Eigner, Christof"},{"id":"26263","last_name":"Silberhorn","first_name":"Christine","full_name":"Silberhorn, Christine"},{"full_name":"Sharapova, Polina R.","last_name":"Sharapova","first_name":"Polina R.","id":"60286"},{"id":"75127","first_name":"Jan","last_name":"Sperling","orcid":"0000-0002-5844-3205","full_name":"Sperling, Jan"},{"first_name":"Tim","last_name":"Bartley","full_name":"Bartley, Tim","id":"49683"}],"publication_identifier":{"isbn":["978-1-957171-05-0"]},"year":"2022","title":"Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity","publication_status":"published","date_updated":"2023-04-21T11:10:06Z","citation":{"ieee":"T. Meier <i>et al.</i>, “Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity,” in <i>Conference on Lasers and Electro-Optics: Applications and Technology</i>, San Jose, California United States, 2022, p. JTu3A. 17, doi: <a href=\"https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17\">10.1364/CLEO_AT.2022.JTu3A.17</a>.","apa":"Meier, T., Hoepker, J. P., Protte, M., Eigner, C., Silberhorn, C., Sharapova, P. R., Sperling, J., &#38; Bartley, T. (2022). Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity. <i>Conference on Lasers and Electro-Optics: Applications and Technology</i>, JTu3A. 17. <a href=\"https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17\">https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17</a>","chicago":"Meier, Torsten, Jan Philipp Hoepker, Maximilian Protte, Christof Eigner, Christine Silberhorn, Polina R. Sharapova, Jan Sperling, and Tim Bartley. “Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity.” In <i>Conference on Lasers and Electro-Optics: Applications and Technology</i>, JTu3A. 17. Optica Publishing Group, 2022. <a href=\"https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17\">https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17</a>.","short":"T. Meier, J.P. Hoepker, M. Protte, C. Eigner, C. Silberhorn, P.R. Sharapova, J. Sperling, T. Bartley, in: Conference on Lasers and Electro-Optics: Applications and Technology, Optica Publishing Group, 2022, p. JTu3A. 17.","mla":"Meier, Torsten, et al. “Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity.” <i>Conference on Lasers and Electro-Optics: Applications and Technology</i>, Optica Publishing Group, 2022, p. JTu3A. 17, doi:<a href=\"https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17\">10.1364/CLEO_AT.2022.JTu3A.17</a>.","bibtex":"@inproceedings{Meier_Hoepker_Protte_Eigner_Silberhorn_Sharapova_Sperling_Bartley_2022, title={Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity}, DOI={<a href=\"https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17\">10.1364/CLEO_AT.2022.JTu3A.17</a>}, booktitle={Conference on Lasers and Electro-Optics: Applications and Technology}, publisher={Optica Publishing Group}, author={Meier, Torsten and Hoepker, Jan Philipp and Protte, Maximilian and Eigner, Christof and Silberhorn, Christine and Sharapova, Polina R. and Sperling, Jan and Bartley, Tim}, year={2022}, pages={JTu3A. 17} }","ama":"Meier T, Hoepker JP, Protte M, et al. Two-Mode Photon-Number Correlations Created by Measurement-Induced Nonlinearity. In: <i>Conference on Lasers and Electro-Optics: Applications and Technology</i>. Optica Publishing Group; 2022:JTu3A. 17. doi:<a href=\"https://doi.org/10.1364/CLEO_AT.2022.JTu3A.17\">10.1364/CLEO_AT.2022.JTu3A.17</a>"},"publisher":"Optica Publishing Group","_id":"43744","page":"JTu3A. 17","user_id":"16199","conference":{"start_date":"2022-05-15","name":"CLEO: Applications and Technology 2022","location":"San Jose, California United States","end_date":"2022-05-20"},"status":"public"},{"project":[{"_id":"53","name":"TRR 142: TRR 142"},{"name":"TRR 142 - B: TRR 142 - Project Area B","_id":"55"},{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"name":"TRR 142 - B07: TRR 142 - Subproject B07","_id":"168"},{"_id":"54","name":"TRR 142 - A: TRR 142 - Project Area A"},{"name":"TRR 142 - A11: TRR 142 - Subproject A11","_id":"166"}],"citation":{"bibtex":"@article{Padberg_Quiring_Bocchini_Santandrea_Gerstmann_Schmidt_Silberhorn_Eigner_2022, title={DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking}, volume={12}, DOI={<a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>}, journal={Crystals}, author={Padberg, Laura and Quiring, Viktor and Bocchini, Adriana and Santandrea, Matteo and Gerstmann, Uwe and Schmidt, Wolf Gero and Silberhorn, Christine and Eigner, Christof}, year={2022}, pages={1359} }","ama":"Padberg L, Quiring V, Bocchini A, et al. DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking. <i>Crystals</i>. 2022;12:1359. doi:<a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>","mla":"Padberg, Laura, et al. “DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking.” <i>Crystals</i>, vol. 12, 2022, p. 1359, doi:<a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>.","short":"L. Padberg, V. Quiring, A. Bocchini, M. Santandrea, U. Gerstmann, W.G. Schmidt, C. Silberhorn, C. Eigner, Crystals 12 (2022) 1359.","chicago":"Padberg, Laura, Viktor Quiring, Adriana Bocchini, Matteo Santandrea, Uwe Gerstmann, Wolf Gero Schmidt, Christine Silberhorn, and Christof Eigner. “DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking.” <i>Crystals</i> 12 (2022): 1359. <a href=\"https://doi.org/10.3390/cryst12101359\">https://doi.org/10.3390/cryst12101359</a>.","ieee":"L. Padberg <i>et al.</i>, “DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking,” <i>Crystals</i>, vol. 12, p. 1359, 2022, doi: <a href=\"https://doi.org/10.3390/cryst12101359\">10.3390/cryst12101359</a>.","apa":"Padberg, L., Quiring, V., Bocchini, A., Santandrea, M., Gerstmann, U., Schmidt, W. G., Silberhorn, C., &#38; Eigner, C. (2022). DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking. <i>Crystals</i>, <i>12</i>, 1359. <a href=\"https://doi.org/10.3390/cryst12101359\">https://doi.org/10.3390/cryst12101359</a>"},"oa":"1","status":"public","user_id":"171","volume":12,"page":"1359","_id":"33484","abstract":[{"lang":"eng","text":"We study the DC conductivity in potassium titanyl phosphate (KTiOPO4, KTP) and its isomorphs KTiOAsO4 (KTA) and Rb1%K99%TiOPO4 (RKTP) and introduce a method by which to reduce the overall ionic conductivity in KTP by a potassium nitrate treatment. Furthermore, we create so-called gray tracking in KTP and investigate the ionic conductivity in theses areas. A local unintended reduction of the ionic conductivity is observed in the gray-tracked regions, which also induce additional optical absorption in the material. We show that a thermal treatment in an oxygen-rich atmosphere removes the gray tracking and brings the ionic conductivity as well as the optical transmission back to the original level. These studies can help to choose the best material and treatment for specific applications."}],"publication":"Crystals","type":"journal_article","department":[{"_id":"15"},{"_id":"288"},{"_id":"623"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"429"},{"_id":"35"},{"_id":"790"}],"date_created":"2022-09-26T13:12:48Z","date_updated":"2023-04-21T11:07:11Z","intvolume":"        12","title":"DC Ionic Conductivity in KTP and Its Isomorphs: Properties, Methods for Suppression, and Its Connection to Gray Tracking","year":"2022","publication_identifier":{"issn":["2073-4352"]},"author":[{"full_name":"Padberg, Laura","first_name":"Laura","last_name":"Padberg","id":"40300"},{"full_name":"Quiring, Viktor","first_name":"Viktor","last_name":"Quiring"},{"full_name":"Bocchini, Adriana","orcid":"0000-0002-2134-3075","first_name":"Adriana","last_name":"Bocchini","id":"58349"},{"last_name":"Santandrea","first_name":"Matteo","orcid":"0000-0001-5718-358X","full_name":"Santandrea, Matteo","id":"55095"},{"id":"171","first_name":"Uwe","orcid":"0000-0002-4476-223X","last_name":"Gerstmann","full_name":"Gerstmann, Uwe"},{"orcid":"0000-0002-2717-5076","first_name":"Wolf Gero","last_name":"Schmidt","full_name":"Schmidt, Wolf Gero","id":"468"},{"id":"26263","full_name":"Silberhorn, Christine","last_name":"Silberhorn","first_name":"Christine"},{"id":"13244","full_name":"Eigner, Christof","orcid":"https://orcid.org/0000-0002-5693-3083","last_name":"Eigner","first_name":"Christof"}],"doi":"10.3390/cryst12101359","main_file_link":[{"open_access":"1"}],"language":[{"iso":"eng"}]},{"publication":"Journal of Physics: Materials","issue":"1","abstract":[{"text":"Many-body perturbation theory based on density-functional theory calculations is used to determine the quasiparticle band structures and the dielectric functions of the isomorphic ferroelectrics rubidium titanyl phosphate (RbTiOPO4) and potassium titanyl arsenide (KTiOAsO4). Self-energy corrections of more than 2 eV are found to widen the transport band gaps of both materials considerably to 5.3 and 5.2 eV, respectively. At the same time, both materials are characterized by strong exciton binding energies of 1.4 and 1.5 eV, respectively. The solution of the Bethe-Salpeter equation based on the quasiparticle energies results in onsets of the optical absorption within the range of the measured data.","lang":"eng"}],"file":[{"creator":"schindlm","description":"Creative Commons Attribution 4.0 International Public License (CC BY 4.0)","date_created":"2021-11-22T17:57:00Z","date_updated":"2021-11-22T17:57:00Z","relation":"main_file","file_size":2687065,"access_level":"open_access","file_name":"Neufeld_2022_J._Phys._Mater._5_015002.pdf","title":"Quasiparticle energies and optical response of RbTiOPO4 and KTiOAsO4","content_type":"application/pdf","file_id":"27705"}],"date_created":"2021-10-20T13:00:04Z","type":"journal_article","department":[{"_id":"296"},{"_id":"295"},{"_id":"230"},{"_id":"429"},{"_id":"15"},{"_id":"170"},{"_id":"35"}],"title":"Quasiparticle energies and optical response of RbTiOPO4 and KTiOAsO4","year":"2022","publication_identifier":{"eissn":["2515-7639"]},"author":[{"first_name":"Sergej","last_name":"Neufeld","full_name":"Neufeld, Sergej","id":"23261"},{"full_name":"Schindlmayr, Arno","last_name":"Schindlmayr","first_name":"Arno","orcid":"0000-0002-4855-071X","id":"458"},{"orcid":"0000-0002-2717-5076","last_name":"Schmidt","first_name":"Wolf Gero","full_name":"Schmidt, Wolf Gero","id":"468"}],"publication_status":"published","date_updated":"2023-04-20T14:01:16Z","article_type":"original","intvolume":"         5","article_number":"015002","language":[{"iso":"eng"}],"doi":"10.1088/2515-7639/ac3384","file_date_updated":"2021-11-22T17:57:00Z","citation":{"bibtex":"@article{Neufeld_Schindlmayr_Schmidt_2022, title={Quasiparticle energies and optical response of RbTiOPO4 and KTiOAsO4}, volume={5}, DOI={<a href=\"https://doi.org/10.1088/2515-7639/ac3384\">10.1088/2515-7639/ac3384</a>}, number={1015002}, journal={Journal of Physics: Materials}, publisher={IOP Publishing}, author={Neufeld, Sergej and Schindlmayr, Arno and Schmidt, Wolf Gero}, year={2022} }","ama":"Neufeld S, Schindlmayr A, Schmidt WG. Quasiparticle energies and optical response of RbTiOPO4 and KTiOAsO4. <i>Journal of Physics: Materials</i>. 2022;5(1). doi:<a href=\"https://doi.org/10.1088/2515-7639/ac3384\">10.1088/2515-7639/ac3384</a>","mla":"Neufeld, Sergej, et al. “Quasiparticle Energies and Optical Response of RbTiOPO4 and KTiOAsO4.” <i>Journal of Physics: Materials</i>, vol. 5, no. 1, 015002, IOP Publishing, 2022, doi:<a href=\"https://doi.org/10.1088/2515-7639/ac3384\">10.1088/2515-7639/ac3384</a>.","chicago":"Neufeld, Sergej, Arno Schindlmayr, and Wolf Gero Schmidt. “Quasiparticle Energies and Optical Response of RbTiOPO4 and KTiOAsO4.” <i>Journal of Physics: Materials</i> 5, no. 1 (2022). <a href=\"https://doi.org/10.1088/2515-7639/ac3384\">https://doi.org/10.1088/2515-7639/ac3384</a>.","short":"S. Neufeld, A. Schindlmayr, W.G. Schmidt, Journal of Physics: Materials 5 (2022).","ieee":"S. Neufeld, A. Schindlmayr, and W. G. Schmidt, “Quasiparticle energies and optical response of RbTiOPO4 and KTiOAsO4,” <i>Journal of Physics: Materials</i>, vol. 5, no. 1, Art. no. 015002, 2022, doi: <a href=\"https://doi.org/10.1088/2515-7639/ac3384\">10.1088/2515-7639/ac3384</a>.","apa":"Neufeld, S., Schindlmayr, A., &#38; Schmidt, W. G. (2022). Quasiparticle energies and optical response of RbTiOPO4 and KTiOAsO4. <i>Journal of Physics: Materials</i>, <i>5</i>(1), Article 015002. <a href=\"https://doi.org/10.1088/2515-7639/ac3384\">https://doi.org/10.1088/2515-7639/ac3384</a>"},"isi":"1","quality_controlled":"1","project":[{"name":"TRR 142","_id":"53"},{"_id":"55","name":"TRR 142 - Project Area B"},{"name":"TRR 142 - Subproject B4","_id":"69"},{"_id":"52","name":"Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"_id":"168","name":"TRR 142 - B07: TRR 142 - Subproject B07"}],"external_id":{"isi":["000721060500001"]},"oa":"1","status":"public","has_accepted_license":"1","funded_apc":"1","_id":"26627","publisher":"IOP Publishing","user_id":"16199","ddc":["530"],"volume":5},{"date_created":"2023-01-20T09:19:43Z","type":"journal_article","keyword":["Condensed Matter Physics","Electronic","Optical and Magnetic Materials"],"department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"35"}],"issue":"11","publication":"physica status solidi (b)","article_number":"2200308","language":[{"iso":"eng"}],"doi":"10.1002/pssb.202200308","year":"2022","title":"Clean and Hydrogen‐Adsorbed AlInP(001) Surfaces: Structures and Electronic Properties","publication_identifier":{"issn":["0370-1972","1521-3951"]},"author":[{"full_name":"Glahn, Luis Joel","first_name":"Luis Joel","last_name":"Glahn"},{"last_name":"Ruiz Alvarado","first_name":"Isaac Azahel","orcid":"0000-0002-4710-1170","full_name":"Ruiz Alvarado, Isaac Azahel","id":"79462"},{"last_name":"Neufeld","first_name":"Sergej","full_name":"Neufeld, Sergej"},{"full_name":"Zare Pour, Mohammad Amin","last_name":"Zare Pour","first_name":"Mohammad Amin"},{"first_name":"Agnieszka","last_name":"Paszuk","full_name":"Paszuk, Agnieszka"},{"first_name":"David","last_name":"Ostheimer","full_name":"Ostheimer, David"},{"full_name":"Shekarabi, Sahar","first_name":"Sahar","last_name":"Shekarabi"},{"first_name":"Oleksandr","last_name":"Romanyuk","full_name":"Romanyuk, Oleksandr"},{"last_name":"Moritz","first_name":"Dominik Christian","full_name":"Moritz, Dominik Christian"},{"first_name":"Jan Philipp","last_name":"Hofmann","full_name":"Hofmann, Jan Philipp"},{"full_name":"Jaegermann, Wolfram","last_name":"Jaegermann","first_name":"Wolfram"},{"last_name":"Hannappel","first_name":"Thomas","full_name":"Hannappel, Thomas"},{"orcid":"0000-0002-2717-5076","last_name":"Schmidt","first_name":"Wolf Gero","full_name":"Schmidt, Wolf Gero","id":"468"}],"date_updated":"2023-04-20T13:59:01Z","publication_status":"published","intvolume":"       259","citation":{"bibtex":"@article{Glahn_Ruiz Alvarado_Neufeld_Zare Pour_Paszuk_Ostheimer_Shekarabi_Romanyuk_Moritz_Hofmann_et al._2022, title={Clean and Hydrogen‐Adsorbed AlInP(001) Surfaces: Structures and Electronic Properties}, volume={259}, DOI={<a href=\"https://doi.org/10.1002/pssb.202200308\">10.1002/pssb.202200308</a>}, number={112200308}, journal={physica status solidi (b)}, publisher={Wiley}, author={Glahn, Luis Joel and Ruiz Alvarado, Isaac Azahel and Neufeld, Sergej and Zare Pour, Mohammad Amin and Paszuk, Agnieszka and Ostheimer, David and Shekarabi, Sahar and Romanyuk, Oleksandr and Moritz, Dominik Christian and Hofmann, Jan Philipp and et al.}, year={2022} }","ama":"Glahn LJ, Ruiz Alvarado IA, Neufeld S, et al. Clean and Hydrogen‐Adsorbed AlInP(001) Surfaces: Structures and Electronic Properties. <i>physica status solidi (b)</i>. 2022;259(11). doi:<a href=\"https://doi.org/10.1002/pssb.202200308\">10.1002/pssb.202200308</a>","mla":"Glahn, Luis Joel, et al. “Clean and Hydrogen‐Adsorbed AlInP(001) Surfaces: Structures and Electronic Properties.” <i>Physica Status Solidi (b)</i>, vol. 259, no. 11, 2200308, Wiley, 2022, doi:<a href=\"https://doi.org/10.1002/pssb.202200308\">10.1002/pssb.202200308</a>.","chicago":"Glahn, Luis Joel, Isaac Azahel Ruiz Alvarado, Sergej Neufeld, Mohammad Amin Zare Pour, Agnieszka Paszuk, David Ostheimer, Sahar Shekarabi, et al. “Clean and Hydrogen‐Adsorbed AlInP(001) Surfaces: Structures and Electronic Properties.” <i>Physica Status Solidi (b)</i> 259, no. 11 (2022). <a href=\"https://doi.org/10.1002/pssb.202200308\">https://doi.org/10.1002/pssb.202200308</a>.","short":"L.J. Glahn, I.A. Ruiz Alvarado, S. Neufeld, M.A. Zare Pour, A. Paszuk, D. Ostheimer, S. Shekarabi, O. Romanyuk, D.C. Moritz, J.P. Hofmann, W. Jaegermann, T. Hannappel, W.G. Schmidt, Physica Status Solidi (b) 259 (2022).","ieee":"L. J. Glahn <i>et al.</i>, “Clean and Hydrogen‐Adsorbed AlInP(001) Surfaces: Structures and Electronic Properties,” <i>physica status solidi (b)</i>, vol. 259, no. 11, Art. no. 2200308, 2022, doi: <a href=\"https://doi.org/10.1002/pssb.202200308\">10.1002/pssb.202200308</a>.","apa":"Glahn, L. J., Ruiz Alvarado, I. A., Neufeld, S., Zare Pour, M. A., Paszuk, A., Ostheimer, D., Shekarabi, S., Romanyuk, O., Moritz, D. C., Hofmann, J. P., Jaegermann, W., Hannappel, T., &#38; Schmidt, W. G. (2022). Clean and Hydrogen‐Adsorbed AlInP(001) Surfaces: Structures and Electronic Properties. <i>Physica Status Solidi (b)</i>, <i>259</i>(11), Article 2200308. <a href=\"https://doi.org/10.1002/pssb.202200308\">https://doi.org/10.1002/pssb.202200308</a>"},"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"publisher":"Wiley","_id":"37656","user_id":"16199","volume":259,"status":"public"},{"language":[{"iso":"eng"}],"doi":"10.1021/acsomega.2c00948","title":"Water/InP(001) from Density Functional Theory","year":"2022","author":[{"full_name":"Ruiz Alvarado, Isaac Azahel","last_name":"Ruiz Alvarado","first_name":"Isaac Azahel","orcid":"0000-0002-4710-1170","id":"79462"},{"id":"468","orcid":"0000-0002-2717-5076","last_name":"Schmidt","first_name":"Wolf Gero","full_name":"Schmidt, Wolf Gero"}],"publication_identifier":{"issn":["2470-1343","2470-1343"]},"date_updated":"2023-04-20T13:59:34Z","publication_status":"published","intvolume":"         7","date_created":"2023-01-20T11:16:22Z","type":"journal_article","keyword":["General Chemical Engineering","General Chemistry"],"department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"35"}],"publication":"ACS Omega","issue":"23","page":"19355-19364","_id":"37710","publisher":"American Chemical Society (ACS)","user_id":"16199","volume":7,"status":"public","citation":{"mla":"Ruiz Alvarado, Isaac Azahel, and Wolf Gero Schmidt. “Water/InP(001) from Density Functional Theory.” <i>ACS Omega</i>, vol. 7, no. 23, American Chemical Society (ACS), 2022, pp. 19355–64, doi:<a href=\"https://doi.org/10.1021/acsomega.2c00948\">10.1021/acsomega.2c00948</a>.","ama":"Ruiz Alvarado IA, Schmidt WG. Water/InP(001) from Density Functional Theory. <i>ACS Omega</i>. 2022;7(23):19355-19364. doi:<a href=\"https://doi.org/10.1021/acsomega.2c00948\">10.1021/acsomega.2c00948</a>","bibtex":"@article{Ruiz Alvarado_Schmidt_2022, title={Water/InP(001) from Density Functional Theory}, volume={7}, DOI={<a href=\"https://doi.org/10.1021/acsomega.2c00948\">10.1021/acsomega.2c00948</a>}, number={23}, journal={ACS Omega}, publisher={American Chemical Society (ACS)}, author={Ruiz Alvarado, Isaac Azahel and Schmidt, Wolf Gero}, year={2022}, pages={19355–19364} }","apa":"Ruiz Alvarado, I. A., &#38; Schmidt, W. G. (2022). Water/InP(001) from Density Functional Theory. <i>ACS Omega</i>, <i>7</i>(23), 19355–19364. <a href=\"https://doi.org/10.1021/acsomega.2c00948\">https://doi.org/10.1021/acsomega.2c00948</a>","ieee":"I. A. Ruiz Alvarado and W. G. Schmidt, “Water/InP(001) from Density Functional Theory,” <i>ACS Omega</i>, vol. 7, no. 23, pp. 19355–19364, 2022, doi: <a href=\"https://doi.org/10.1021/acsomega.2c00948\">10.1021/acsomega.2c00948</a>.","short":"I.A. Ruiz Alvarado, W.G. Schmidt, ACS Omega 7 (2022) 19355–19364.","chicago":"Ruiz Alvarado, Isaac Azahel, and Wolf Gero Schmidt. “Water/InP(001) from Density Functional Theory.” <i>ACS Omega</i> 7, no. 23 (2022): 19355–64. <a href=\"https://doi.org/10.1021/acsomega.2c00948\">https://doi.org/10.1021/acsomega.2c00948</a>."},"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}]},{"intvolume":"        14","date_updated":"2023-04-20T14:30:51Z","publication_status":"published","author":[{"first_name":"Dominik Christian","last_name":"Moritz","full_name":"Moritz, Dominik Christian"},{"id":"79462","full_name":"Ruiz Alvarado, Isaac Azahel","last_name":"Ruiz Alvarado","first_name":"Isaac Azahel","orcid":"0000-0002-4710-1170"},{"last_name":"Zare Pour","first_name":"Mohammad Amin","full_name":"Zare Pour, Mohammad Amin"},{"full_name":"Paszuk, Agnieszka","first_name":"Agnieszka","last_name":"Paszuk"},{"last_name":"Frieß","first_name":"Tilo","full_name":"Frieß, Tilo"},{"last_name":"Runge","first_name":"Erich","full_name":"Runge, Erich"},{"full_name":"Hofmann, Jan P.","last_name":"Hofmann","first_name":"Jan P."},{"full_name":"Hannappel, Thomas","first_name":"Thomas","last_name":"Hannappel"},{"id":"468","last_name":"Schmidt","orcid":"0000-0002-2717-5076","first_name":"Wolf Gero","full_name":"Schmidt, Wolf Gero"},{"full_name":"Jaegermann, Wolfram","last_name":"Jaegermann","first_name":"Wolfram"}],"publication_identifier":{"issn":["1944-8244","1944-8252"]},"year":"2022","title":"P-Terminated InP (001) Surfaces: Surface Band Bending and Reactivity to Water","doi":"10.1021/acsami.2c13352","language":[{"iso":"eng"}],"issue":"41","publication":"ACS Applied Materials &amp; Interfaces","department":[{"_id":"15"},{"_id":"170"},{"_id":"295"},{"_id":"230"},{"_id":"35"}],"type":"journal_article","keyword":["General Materials Science"],"date_created":"2023-01-20T10:02:58Z","status":"public","volume":14,"user_id":"16199","_id":"37681","publisher":"American Chemical Society (ACS)","page":"47255-47261","project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"}],"citation":{"ieee":"D. C. Moritz <i>et al.</i>, “P-Terminated InP (001) Surfaces: Surface Band Bending and Reactivity to Water,” <i>ACS Applied Materials &#38;amp; Interfaces</i>, vol. 14, no. 41, pp. 47255–47261, 2022, doi: <a href=\"https://doi.org/10.1021/acsami.2c13352\">10.1021/acsami.2c13352</a>.","apa":"Moritz, D. C., Ruiz Alvarado, I. A., Zare Pour, M. A., Paszuk, A., Frieß, T., Runge, E., Hofmann, J. P., Hannappel, T., Schmidt, W. G., &#38; Jaegermann, W. (2022). P-Terminated InP (001) Surfaces: Surface Band Bending and Reactivity to Water. <i>ACS Applied Materials &#38;amp; Interfaces</i>, <i>14</i>(41), 47255–47261. <a href=\"https://doi.org/10.1021/acsami.2c13352\">https://doi.org/10.1021/acsami.2c13352</a>","short":"D.C. Moritz, I.A. Ruiz Alvarado, M.A. Zare Pour, A. Paszuk, T. Frieß, E. Runge, J.P. Hofmann, T. Hannappel, W.G. Schmidt, W. Jaegermann, ACS Applied Materials &#38;amp; Interfaces 14 (2022) 47255–47261.","chicago":"Moritz, Dominik Christian, Isaac Azahel Ruiz Alvarado, Mohammad Amin Zare Pour, Agnieszka Paszuk, Tilo Frieß, Erich Runge, Jan P. Hofmann, Thomas Hannappel, Wolf Gero Schmidt, and Wolfram Jaegermann. “P-Terminated InP (001) Surfaces: Surface Band Bending and Reactivity to Water.” <i>ACS Applied Materials &#38;amp; Interfaces</i> 14, no. 41 (2022): 47255–61. <a href=\"https://doi.org/10.1021/acsami.2c13352\">https://doi.org/10.1021/acsami.2c13352</a>.","mla":"Moritz, Dominik Christian, et al. “P-Terminated InP (001) Surfaces: Surface Band Bending and Reactivity to Water.” <i>ACS Applied Materials &#38;amp; Interfaces</i>, vol. 14, no. 41, American Chemical Society (ACS), 2022, pp. 47255–61, doi:<a href=\"https://doi.org/10.1021/acsami.2c13352\">10.1021/acsami.2c13352</a>.","bibtex":"@article{Moritz_Ruiz Alvarado_Zare Pour_Paszuk_Frieß_Runge_Hofmann_Hannappel_Schmidt_Jaegermann_2022, title={P-Terminated InP (001) Surfaces: Surface Band Bending and Reactivity to Water}, volume={14}, DOI={<a href=\"https://doi.org/10.1021/acsami.2c13352\">10.1021/acsami.2c13352</a>}, number={41}, journal={ACS Applied Materials &#38;amp; Interfaces}, publisher={American Chemical Society (ACS)}, author={Moritz, Dominik Christian and Ruiz Alvarado, Isaac Azahel and Zare Pour, Mohammad Amin and Paszuk, Agnieszka and Frieß, Tilo and Runge, Erich and Hofmann, Jan P. and Hannappel, Thomas and Schmidt, Wolf Gero and Jaegermann, Wolfram}, year={2022}, pages={47255–47261} }","ama":"Moritz DC, Ruiz Alvarado IA, Zare Pour MA, et al. P-Terminated InP (001) Surfaces: Surface Band Bending and Reactivity to Water. <i>ACS Applied Materials &#38;amp; Interfaces</i>. 2022;14(41):47255-47261. doi:<a href=\"https://doi.org/10.1021/acsami.2c13352\">10.1021/acsami.2c13352</a>"}},{"citation":{"chicago":"Karmo, Marsel, Isaac Azahel Ruiz Alvarado, Wolf Gero Schmidt, and Erich Runge. “Reconstructions of the As-Terminated GaAs(001) Surface Exposed to Atomic Hydrogen.” <i>ACS Omega</i> 7, no. 6 (2022): 5064–68. <a href=\"https://doi.org/10.1021/acsomega.1c06019\">https://doi.org/10.1021/acsomega.1c06019</a>.","short":"M. Karmo, I.A. Ruiz Alvarado, W.G. Schmidt, E. Runge, ACS Omega 7 (2022) 5064–5068.","apa":"Karmo, M., Ruiz Alvarado, I. A., Schmidt, W. G., &#38; Runge, E. (2022). Reconstructions of the As-Terminated GaAs(001) Surface Exposed to Atomic Hydrogen. <i>ACS Omega</i>, <i>7</i>(6), 5064–5068. <a href=\"https://doi.org/10.1021/acsomega.1c06019\">https://doi.org/10.1021/acsomega.1c06019</a>","ieee":"M. Karmo, I. A. 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Schmidt, “Electrochemical performance of KTiOAsO_4 (KTA) in potassium-ion batteries from density-functional theory,” <i>Phys. Rev. Materials</i>, vol. 6, p. 105401, 2022, doi: <a href=\"https://doi.org/10.1103/PhysRevMaterials.6.105401\">10.1103/PhysRevMaterials.6.105401</a>.","ama":"Bocchini A, Gerstmann U, Bartley T, Steinrück H-G, Henkel G, Schmidt WG. Electrochemical performance of KTiOAsO_4 (KTA) in potassium-ion batteries from density-functional theory. <i>Phys Rev Materials</i>. 2022;6:105401. doi:<a href=\"https://doi.org/10.1103/PhysRevMaterials.6.105401\">10.1103/PhysRevMaterials.6.105401</a>","bibtex":"@article{Bocchini_Gerstmann_Bartley_Steinrück_Henkel_Schmidt_2022, title={Electrochemical performance of KTiOAsO_4 (KTA) in potassium-ion batteries from density-functional theory}, volume={6}, DOI={<a href=\"https://doi.org/10.1103/PhysRevMaterials.6.105401\">10.1103/PhysRevMaterials.6.105401</a>}, journal={Phys. Rev. Materials}, publisher={American Physical Society}, author={Bocchini, Adriana and Gerstmann, Uwe and Bartley, Tim and Steinrück, Hans-Georg and Henkel, Gerald and Schmidt, Wolf Gero}, year={2022}, pages={105401} }","mla":"Bocchini, Adriana, et al. “Electrochemical Performance of KTiOAsO_4 (KTA) in Potassium-Ion Batteries from Density-Functional Theory.” <i>Phys. Rev. Materials</i>, vol. 6, American Physical Society, 2022, p. 105401, doi:<a href=\"https://doi.org/10.1103/PhysRevMaterials.6.105401\">10.1103/PhysRevMaterials.6.105401</a>."},"project":[{"_id":"52","name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing"},{"_id":"53","name":"TRR 142: TRR 142"},{"_id":"55","name":"TRR 142 - B: TRR 142 - Project Area B"},{"name":"TRR 142 - A: TRR 142 - Project Area A","_id":"54"},{"name":"TRR 142 - A11: TRR 142 - Subproject A11","_id":"166"},{"name":"TRR 142 - B07: TRR 142 - Subproject B07","_id":"168"}],"oa":"1"},{"intvolume":"       105","date_updated":"2023-04-21T11:29:05Z","author":[{"id":"58349","first_name":"Adriana","orcid":"0000-0002-2134-3075","last_name":"Bocchini","full_name":"Bocchini, Adriana"},{"orcid":"0000-0002-4476-223X","last_name":"Gerstmann","first_name":"Uwe","full_name":"Gerstmann, Uwe","id":"171"},{"first_name":"Wolf Gero","orcid":"0000-0002-2717-5076","last_name":"Schmidt","full_name":"Schmidt, Wolf Gero","id":"468"}],"status":"public","year":"2022","title":"Oxygen vacancies in KTiOPO_4: Optical absorption from hybrid DFT","volume":105,"doi":"10.1103/PhysRevB.105.205118","user_id":"171","_id":"31254","language":[{"iso":"eng"}],"publisher":"American Physical Society","page":"205118","project":[{"name":"PC2: Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"_id":"53","name":"TRR 142: TRR 142"},{"_id":"54","name":"TRR 142 - A: TRR 142 - Project Area A"},{"name":"TRR 142 - B: TRR 142 - Project Area B","_id":"55"},{"_id":"166","name":"TRR 142 - A11: TRR 142 - Subproject A11"},{"name":"TRR 142 - B07: TRR 142 - Subproject B07","_id":"168"}],"citation":{"mla":"Bocchini, Adriana, et al. “Oxygen Vacancies in KTiOPO_4: Optical Absorption from Hybrid DFT.” <i>Phys. Rev. B</i>, vol. 105, American Physical Society, 2022, p. 205118, doi:<a href=\"https://doi.org/10.1103/PhysRevB.105.205118\">10.1103/PhysRevB.105.205118</a>.","bibtex":"@article{Bocchini_Gerstmann_Schmidt_2022, title={Oxygen vacancies in KTiOPO_4: Optical absorption from hybrid DFT}, volume={105}, DOI={<a href=\"https://doi.org/10.1103/PhysRevB.105.205118\">10.1103/PhysRevB.105.205118</a>}, journal={Phys. Rev. B}, publisher={American Physical Society}, author={Bocchini, Adriana and Gerstmann, Uwe and Schmidt, Wolf Gero}, year={2022}, pages={205118} }","ama":"Bocchini A, Gerstmann U, Schmidt WG. Oxygen vacancies in KTiOPO_4: Optical absorption from hybrid DFT. <i>Phys Rev B</i>. 2022;105:205118. doi:<a href=\"https://doi.org/10.1103/PhysRevB.105.205118\">10.1103/PhysRevB.105.205118</a>","ieee":"A. Bocchini, U. Gerstmann, and W. G. Schmidt, “Oxygen vacancies in KTiOPO_4: Optical absorption from hybrid DFT,” <i>Phys. Rev. B</i>, vol. 105, p. 205118, 2022, doi: <a href=\"https://doi.org/10.1103/PhysRevB.105.205118\">10.1103/PhysRevB.105.205118</a>.","apa":"Bocchini, A., Gerstmann, U., &#38; Schmidt, W. G. (2022). Oxygen vacancies in KTiOPO_4: Optical absorption from hybrid DFT. <i>Phys. Rev. B</i>, <i>105</i>, 205118. <a href=\"https://doi.org/10.1103/PhysRevB.105.205118\">https://doi.org/10.1103/PhysRevB.105.205118</a>","short":"A. Bocchini, U. Gerstmann, W.G. Schmidt, Phys. Rev. B 105 (2022) 205118.","chicago":"Bocchini, Adriana, Uwe Gerstmann, and Wolf Gero Schmidt. “Oxygen Vacancies in KTiOPO_4: Optical Absorption from Hybrid DFT.” <i>Phys. Rev. B</i> 105 (2022): 205118. <a href=\"https://doi.org/10.1103/PhysRevB.105.205118\">https://doi.org/10.1103/PhysRevB.105.205118</a>."},"publication":"Phys. Rev. B","department":[{"_id":"15"},{"_id":"295"},{"_id":"170"},{"_id":"230"},{"_id":"429"},{"_id":"35"},{"_id":"790"}],"type":"journal_article","date_created":"2022-05-16T14:41:02Z"},{"quality_controlled":"1","citation":{"chicago":"Ahmed, Hammad, Yuttana Intaravanne, Yang Ming, Muhammad Afnan Ansari, Gerald S. Buller, Thomas Zentgraf, and Xianzhong Chen. “Multichannel Superposition of Grafted Perfect Vortex Beams.” <i>Advanced Materials</i> 34, no. 30 (2022). <a href=\"https://doi.org/10.1002/adma.202203044\">https://doi.org/10.1002/adma.202203044</a>.","short":"H. Ahmed, Y. Intaravanne, Y. Ming, M.A. Ansari, G.S. Buller, T. Zentgraf, X. Chen, Advanced Materials 34 (2022).","apa":"Ahmed, H., Intaravanne, Y., Ming, Y., Ansari, M. A., Buller, G. S., Zentgraf, T., &#38; Chen, X. (2022). Multichannel Superposition of Grafted Perfect Vortex Beams. <i>Advanced Materials</i>, <i>34</i>(30), Article 2203044. <a href=\"https://doi.org/10.1002/adma.202203044\">https://doi.org/10.1002/adma.202203044</a>","ieee":"H. Ahmed <i>et al.</i>, “Multichannel Superposition of Grafted Perfect Vortex Beams,” <i>Advanced Materials</i>, vol. 34, no. 30, Art. no. 2203044, 2022, doi: <a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>.","ama":"Ahmed H, Intaravanne Y, Ming Y, et al. Multichannel Superposition of Grafted Perfect Vortex Beams. <i>Advanced Materials</i>. 2022;34(30). doi:<a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>","bibtex":"@article{Ahmed_Intaravanne_Ming_Ansari_Buller_Zentgraf_Chen_2022, title={Multichannel Superposition of Grafted Perfect Vortex Beams}, volume={34}, DOI={<a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>}, number={302203044}, journal={Advanced Materials}, publisher={Wiley}, author={Ahmed, Hammad and Intaravanne, Yuttana and Ming, Yang and Ansari, Muhammad Afnan and Buller, Gerald S. and Zentgraf, Thomas and Chen, Xianzhong}, year={2022} }","mla":"Ahmed, Hammad, et al. “Multichannel Superposition of Grafted Perfect Vortex Beams.” <i>Advanced Materials</i>, vol. 34, no. 30, 2203044, Wiley, 2022, doi:<a href=\"https://doi.org/10.1002/adma.202203044\">10.1002/adma.202203044</a>."},"volume":34,"user_id":"30525","_id":"32068","publisher":"Wiley","status":"public","department":[{"_id":"15"},{"_id":"230"},{"_id":"289"},{"_id":"623"}],"type":"journal_article","keyword":["Mechanical Engineering","Mechanics of Materials","General Materials Science"],"date_created":"2022-06-20T11:05:50Z","abstract":[{"text":"Inspired by plant grafting, grafted vortex beams can be formed through grafting two or more helical phase profiles of optical vortex beams. Recently, grafted perfect vortex beams (GPVBs) have attracted much attention due to their unique optical properties and potential applications. However, the current method to generate and manipulate GPVBs requires a complex and bulky optical system, hindering further investigation and limiting its practical applications. Here, a compact metasurface approach for generating and manipulating GPVBs in multiple channels is proposed and demonstrated, which eliminates the need for such a complex optical setup. A single metasurface is utilized to realize various superpositions of GPVBs with different combinations of topological charges in four channels, leading to asymmetric singularity distributions. The positions of singularities in the superimposed beam can be further modulated by introducing an initial phase difference in the metasurface design. The work demonstrates a compact metasurface platform that performs a sophisticated optical task that is very challenging with conventional optics, opening opportunities for the investigation and applications of GPVBs in a wide range of emerging application areas, such as singular optics and quantum science.","lang":"eng"}],"issue":"30","publication":"Advanced Materials","doi":"10.1002/adma.202203044","language":[{"iso":"eng"}],"article_number":"2203044","article_type":"original","intvolume":"        34","publication_status":"published","date_updated":"2023-05-12T11:20:44Z","author":[{"full_name":"Ahmed, Hammad","last_name":"Ahmed","first_name":"Hammad"},{"first_name":"Yuttana","last_name":"Intaravanne","full_name":"Intaravanne, Yuttana"},{"full_name":"Ming, Yang","last_name":"Ming","first_name":"Yang"},{"first_name":"Muhammad Afnan","last_name":"Ansari","full_name":"Ansari, Muhammad Afnan"},{"first_name":"Gerald S.","last_name":"Buller","full_name":"Buller, Gerald S."},{"id":"30525","full_name":"Zentgraf, Thomas","last_name":"Zentgraf","orcid":"0000-0002-8662-1101","first_name":"Thomas"},{"last_name":"Chen","first_name":"Xianzhong","full_name":"Chen, Xianzhong"}],"publication_identifier":{"issn":["0935-9648","1521-4095"]},"title":"Multichannel Superposition of Grafted Perfect Vortex Beams","year":"2022"},{"status":"public","title":"Fostering Pre-Service Physics Teachers’ Pedagogical Content Knowledge Regarding Digital Media","year":"2022","author":[{"first_name":"Rike Isabel","last_name":"Große-Heilmann","full_name":"Große-Heilmann, Rike Isabel","id":"99511"},{"full_name":"Riese, Josef","last_name":"Riese","first_name":"Josef","id":"429"},{"first_name":"Jan-Phillip","last_name":"Burde","full_name":"Burde, Jan-Phillip"},{"full_name":"Schubatzky, Thomas","first_name":"Thomas","last_name":"Schubatzky"},{"full_name":"Weiler, David","first_name":"David","last_name":"Weiler"}],"date_updated":"2023-05-30T12:25:39Z","intvolume":"        12","page":"440","language":[{"iso":"eng"}],"_id":"45174","doi":"10.3390/educsci12070440","user_id":"99511","volume":12,"publication":"Education Sciences","citation":{"short":"R.I. Große-Heilmann, J. Riese, J.-P. Burde, T. Schubatzky, D. Weiler, Education Sciences 12 (2022) 440.","chicago":"Große-Heilmann, Rike Isabel, Josef Riese, Jan-Phillip Burde, Thomas Schubatzky, and David Weiler. “Fostering Pre-Service Physics Teachers’ Pedagogical Content Knowledge Regarding Digital Media.” <i>Education Sciences</i> 12 (2022): 440. <a href=\"https://doi.org/10.3390/educsci12070440\">https://doi.org/10.3390/educsci12070440</a>.","ieee":"R. I. Große-Heilmann, J. Riese, J.-P. Burde, T. Schubatzky, and D. Weiler, “Fostering Pre-Service Physics Teachers’ Pedagogical Content Knowledge Regarding Digital Media,” <i>Education Sciences</i>, vol. 12, p. 440, 2022, doi: <a href=\"https://doi.org/10.3390/educsci12070440\">10.3390/educsci12070440</a>.","apa":"Große-Heilmann, R. I., Riese, J., Burde, J.-P., Schubatzky, T., &#38; Weiler, D. (2022). Fostering Pre-Service Physics Teachers’ Pedagogical Content Knowledge Regarding Digital Media. <i>Education Sciences</i>, <i>12</i>, 440. <a href=\"https://doi.org/10.3390/educsci12070440\">https://doi.org/10.3390/educsci12070440</a>","bibtex":"@article{Große-Heilmann_Riese_Burde_Schubatzky_Weiler_2022, title={Fostering Pre-Service Physics Teachers’ Pedagogical Content Knowledge Regarding Digital Media}, volume={12}, DOI={<a href=\"https://doi.org/10.3390/educsci12070440\">10.3390/educsci12070440</a>}, journal={Education Sciences}, author={Große-Heilmann, Rike Isabel and Riese, Josef and Burde, Jan-Phillip and Schubatzky, Thomas and Weiler, David}, year={2022}, pages={440} }","ama":"Große-Heilmann RI, Riese J, Burde J-P, Schubatzky T, Weiler D. Fostering Pre-Service Physics Teachers’ Pedagogical Content Knowledge Regarding Digital Media. <i>Education Sciences</i>. 2022;12:440. doi:<a href=\"https://doi.org/10.3390/educsci12070440\">10.3390/educsci12070440</a>","mla":"Große-Heilmann, Rike Isabel, et al. “Fostering Pre-Service Physics Teachers’ Pedagogical Content Knowledge Regarding Digital Media.” <i>Education Sciences</i>, vol. 12, 2022, p. 440, doi:<a href=\"https://doi.org/10.3390/educsci12070440\">10.3390/educsci12070440</a>."},"date_created":"2023-05-20T10:09:30Z","type":"journal_article","department":[{"_id":"299"}]},{"citation":{"mla":"Ermel, Dorothee, and Josef Riese. “Entwicklung Und Evaluation Eines Fachpraktikums Für Das Techniklehramt.” <i>Journal of Technical Education</i>, vol. 10, no. 1, 2022, pp. 25–47, doi:<a href=\"https://doi.org/10.48513/JOTED.V10I1.241\">10.48513/JOTED.V10I1.241</a>.","bibtex":"@article{Ermel_Riese_2022, title={Entwicklung und Evaluation eines Fachpraktikums für das Techniklehramt}, volume={10}, DOI={<a href=\"https://doi.org/10.48513/JOTED.V10I1.241\">10.48513/JOTED.V10I1.241</a>}, number={1}, journal={Journal of Technical Education}, author={Ermel, Dorothee and Riese, Josef}, year={2022}, pages={25–47} }","ama":"Ermel D, Riese J. Entwicklung und Evaluation eines Fachpraktikums für das Techniklehramt. <i>Journal of Technical Education</i>. 2022;10(1):25-47. doi:<a href=\"https://doi.org/10.48513/JOTED.V10I1.241\">10.48513/JOTED.V10I1.241</a>","ieee":"D. Ermel and J. Riese, “Entwicklung und Evaluation eines Fachpraktikums für das Techniklehramt,” <i>Journal of Technical Education</i>, vol. 10, no. 1, pp. 25–47, 2022, doi: <a href=\"https://doi.org/10.48513/JOTED.V10I1.241\">10.48513/JOTED.V10I1.241</a>.","apa":"Ermel, D., &#38; Riese, J. (2022). Entwicklung und Evaluation eines Fachpraktikums für das Techniklehramt. <i>Journal of Technical Education</i>, <i>10</i>(1), 25–47. <a href=\"https://doi.org/10.48513/JOTED.V10I1.241\">https://doi.org/10.48513/JOTED.V10I1.241</a>","chicago":"Ermel, Dorothee, and Josef Riese. “Entwicklung Und Evaluation Eines Fachpraktikums Für Das Techniklehramt.” <i>Journal of Technical Education</i> 10, no. 1 (2022): 25–47. <a href=\"https://doi.org/10.48513/JOTED.V10I1.241\">https://doi.org/10.48513/JOTED.V10I1.241</a>.","short":"D. Ermel, J. Riese, Journal of Technical Education 10 (2022) 25–47."},"issue":"1","publication":"Journal of Technical Education","abstract":[{"lang":"eng","text":"Praktische Tätigkeiten und Handlungen besitzen im allgemeinbildenden Technikunterricht hohen Stellenwert, wenn z.B. Maschinen bedient und Artefakte konstruiert und gefertigt werden. Im Rahmen der Lehramtsausbildung sollten Techniklehrkräfte deswegen best-möglich auf die Anwendung und Durchführung fachpraktischer Handlungen vorbereitet werden. Ziel dieser Arbeit ist es daher, im Rahmen des Lehramtsstudiengangs Technik der RWTH Aachen ein Fachpraktikum zu entwickeln, in dem berufsrelevante fachpraktische Kompetenzen erworben werden. Die empirisch gestützte Entwicklung des Fachpraktikums erfolgt als iterativer Prozess und wird durch das Modell der Didaktischen Rekonstruktion strukturiert, nach welchem die fach-liche Klärung gleichwertig zur Betrachtung der Studierendenperspektive berücksichtigt wird."}],"date_created":"2023-05-20T10:11:32Z","department":[{"_id":"299"}],"type":"journal_article","author":[{"first_name":"Dorothee","last_name":"Ermel","full_name":"Ermel, Dorothee"},{"id":"429","full_name":"Riese, Josef","last_name":"Riese","first_name":"Josef"}],"title":"Entwicklung und Evaluation eines Fachpraktikums für das Techniklehramt","status":"public","year":"2022","intvolume":"        10","date_updated":"2023-05-31T07:52:53Z","language":[{"iso":"eng"}],"_id":"45175","page":"25-47","volume":10,"doi":"10.48513/JOTED.V10I1.241","user_id":"84746"}]