[{"date_created":"2023-05-29T16:48:44Z","place":"Bonn","department":[{"_id":"451"}],"oa":"1","type":"book_chapter","citation":{"mla":"Schemmer, Susanne Jutta, et al. “Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule.” <i>Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)</i>, edited by Ulrike Weyland et al., Verlag Barbara Budrich, 2021, pp. 60–78.","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. <i>Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)</i>. Verlag Barbara Budrich; 2021:60-78.","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} }","apa":"Schemmer, S. J., Heisler, D., &#38; Rink, J. (2021). Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule. In U. Weyland, B. Ziegler, K. Driesel-Lange, &#38; A. Kruse (Eds.), <i>Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)</i> (pp. 60–78). Verlag Barbara Budrich.","ieee":"S. J. Schemmer, D. Heisler, and J. Rink, “Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule,” in <i>Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)</i>, U. Weyland, B. Ziegler, K. Driesel-Lange, and A. Kruse, Eds. Bonn: Verlag Barbara Budrich, 2021, pp. 60–78.","chicago":"Schemmer, Susanne Jutta, Dietmar Heisler, and Julia Rink. “Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule.” In <i>Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)</i>, edited by Ulrike Weyland, Birgit Ziegler, Katja Driesel-Lange, and Annika Kruse, 60–78. Bonn: Verlag Barbara Budrich, 2021.","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."},"publication":"Entwicklungen und Perspektiven in der Berufsorientierung. Stand und Herausforderungen. Online: (06.12.2021)","language":[{"iso":"ger"}],"_id":"45319","publisher":"Verlag Barbara Budrich","main_file_link":[{"url":"https://www.agbfn.de/dokumente/pdf/AGBFN_Weyland_et_al_Berufsorientierung.pdf","open_access":"1"}],"page":"60-78","editor":[{"full_name":"Weyland, Ulrike","first_name":"Ulrike","last_name":"Weyland"},{"last_name":"Ziegler","first_name":"Birgit","full_name":"Ziegler, Birgit"},{"first_name":"Katja","last_name":"Driesel-Lange","full_name":"Driesel-Lange, Katja"},{"last_name":"Kruse","first_name":"Annika","full_name":"Kruse, Annika"}],"user_id":"49063","author":[{"id":"63477","first_name":"Susanne Jutta","last_name":"Schemmer","full_name":"Schemmer, Susanne Jutta"},{"full_name":"Heisler, Dietmar","first_name":"Dietmar","last_name":"Heisler"},{"full_name":"Rink, Julia","first_name":"Julia","last_name":"Rink"}],"year":"2021","title":"Entwicklungschance oder Warteschleife? Berufsorientierung und Berufswahl in der Berufsfachschule","status":"public","publication_status":"published","date_updated":"2023-06-20T19:48:47Z"},{"type":"book_editor","department":[{"_id":"544"}],"date_created":"2023-08-22T09:23:22Z","abstract":[{"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.","lang":"eng"}],"doi":"10.14361/9783839456903","alternative_title":["Ein multiperspektivischer Zugang zur digitalen Lehre"],"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"}],"language":[{"iso":"ger"}],"publication_status":"published","date_updated":"2023-09-01T08:11:37Z","title":"Hochschule auf Abstand","year":"2021","publication_identifier":{"issn":["2749-7623","2749-7631"],"isbn":["9783837656909","9783839456903"]},"oa":"1","place":"Bielefeld, Germany","citation":{"mla":"Neiske, Iris, et al., editors. <i>Hochschule auf Abstand</i>. transcript Verlag, 2021, doi:<a href=\"https://doi.org/10.14361/9783839456903\">10.14361/9783839456903</a>.","bibtex":"@book{Neiske_Osthushenrich_Schaper_Trier_Vöing_2021, place={Bielefeld, Germany}, title={Hochschule auf Abstand}, DOI={<a href=\"https://doi.org/10.14361/9783839456903\">10.14361/9783839456903</a>}, publisher={transcript Verlag}, year={2021} }","ama":"Neiske I, Osthushenrich J, Schaper N, Trier U, Vöing N, eds. <i>Hochschule auf Abstand</i>. transcript Verlag; 2021. doi:<a href=\"https://doi.org/10.14361/9783839456903\">10.14361/9783839456903</a>","ieee":"I. Neiske, J. Osthushenrich, N. Schaper, U. Trier, and N. Vöing, Eds., <i>Hochschule auf Abstand</i>. Bielefeld, Germany: transcript Verlag, 2021.","apa":"Neiske, I., Osthushenrich, J., Schaper, N., Trier, U., &#38; Vöing, N. (Eds.). (2021). <i>Hochschule auf Abstand</i>. transcript Verlag. <a href=\"https://doi.org/10.14361/9783839456903\">https://doi.org/10.14361/9783839456903</a>","short":"I. Neiske, J. Osthushenrich, N. Schaper, U. Trier, N. Vöing, eds., Hochschule auf Abstand, transcript Verlag, Bielefeld, Germany, 2021.","chicago":"Neiske, Iris, Judith Osthushenrich, Niclas Schaper, Ulrike Trier, and Nerea Vöing, eds. <i>Hochschule auf Abstand</i>. Bielefeld, Germany: transcript Verlag, 2021. <a href=\"https://doi.org/10.14361/9783839456903\">https://doi.org/10.14361/9783839456903</a>."},"user_id":"12360","editor":[{"id":"53827","first_name":"Iris","last_name":"Neiske","full_name":"Neiske, Iris"},{"full_name":"Osthushenrich, Judith","first_name":"Judith","last_name":"Osthushenrich","id":"12360"},{"last_name":"Schaper","first_name":"Niclas","full_name":"Schaper, Niclas"},{"first_name":"Ulrike","last_name":"Trier","full_name":"Trier, Ulrike","id":"82117"},{"id":"5054","first_name":"Nerea","last_name":"Vöing","full_name":"Vöing, Nerea"}],"_id":"46613","publisher":"transcript Verlag","status":"public"},{"keyword":["Hybrid prediction method","Multi-model particle filtering","Uncertainty quantification","RUL estimation"],"type":"conference","department":[{"_id":"151"}],"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"}],"issue":"1","publication":"Proceedings of the European Conference of the PHM Society 2021","doi":"https://doi.org/10.36001/phme.2021.v6i1.2843 ","main_file_link":[{"url":"https://papers.phmsociety.org/index.php/phme/article/view/2843","open_access":"1"}],"language":[{"iso":"eng"}],"date_updated":"2023-09-22T07:19:48Z","publication_status":"published","intvolume":"         6","year":"2021","title":"Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties","author":[{"first_name":"Amelie","last_name":"Bender","full_name":"Bender, Amelie","id":"54290"},{"id":"21220","first_name":"Walter","last_name":"Sextro","full_name":"Sextro, Walter"}],"publication_identifier":{"unknown":["978-1-936263-34-9"]},"oa":"1","quality_controlled":"1","citation":{"ieee":"A. Bender and W. Sextro, “Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties,” in <i>Proceedings of the European Conference of the PHM Society 2021</i>, 2021, vol. 6, no. 1, doi: <a href=\"https://doi.org/10.36001/phme.2021.v6i1.2843 \">https://doi.org/10.36001/phme.2021.v6i1.2843 </a>.","apa":"Bender, A., &#38; Sextro, W. (2021). Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties. In P. Do, S. King, &#38;  Olga Fink (Eds.), <i>Proceedings of the European Conference of the PHM Society 2021</i> (Vol. 6, Issue 1). <a href=\"https://doi.org/10.36001/phme.2021.v6i1.2843 \">https://doi.org/10.36001/phme.2021.v6i1.2843 </a>","short":"A. Bender, W. Sextro, in: P. Do, S. King,  Olga Fink (Eds.), Proceedings of the European Conference of the PHM Society 2021, 2021.","chicago":"Bender, Amelie, and Walter Sextro. “Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties.” In <i>Proceedings of the European Conference of the PHM Society 2021</i>, edited by Phuc  Do, Steve King, and  Olga Fink, Vol. 6, 2021. <a href=\"https://doi.org/10.36001/phme.2021.v6i1.2843 \">https://doi.org/10.36001/phme.2021.v6i1.2843 </a>.","mla":"Bender, Amelie, and Walter Sextro. “Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties.” <i>Proceedings of the European Conference of the PHM Society 2021</i>, edited by Phuc  Do et al., vol. 6, no. 1, 2021, doi:<a href=\"https://doi.org/10.36001/phme.2021.v6i1.2843 \">https://doi.org/10.36001/phme.2021.v6i1.2843 </a>.","bibtex":"@inproceedings{Bender_Sextro_2021, title={Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties}, volume={6}, DOI={<a href=\"https://doi.org/10.36001/phme.2021.v6i1.2843 \">https://doi.org/10.36001/phme.2021.v6i1.2843 </a>}, 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} }","ama":"Bender A, Sextro W. Hybrid Prediction Method for Remaining Useful Lifetime Estimation Considering Uncertainties. In: Do P, King S, Fink  Olga, eds. <i>Proceedings of the European Conference of the PHM Society 2021</i>. Vol 6. ; 2021. doi:<a href=\"https://doi.org/10.36001/phme.2021.v6i1.2843 \">https://doi.org/10.36001/phme.2021.v6i1.2843 </a>"},"user_id":"54290","editor":[{"full_name":"Do, Phuc ","first_name":"Phuc ","last_name":"Do"},{"full_name":"King, Steve","first_name":"Steve","last_name":"King"},{"last_name":"Fink","first_name":" Olga","full_name":"Fink,  Olga"}],"volume":6,"_id":"22724","status":"public","conference":{"end_date":"2021-07-02","start_date":"2021-06-28","name":"6th European Conference of Prognostics and Health Management"}},{"date_updated":"2023-09-22T08:10:34Z","publication_status":"inpress","author":[{"id":"9557","last_name":"Aimiyekagbon","first_name":"Osarenren Kennedy","full_name":"Aimiyekagbon, Osarenren Kennedy"},{"id":"54290","full_name":"Bender, Amelie","last_name":"Bender","first_name":"Amelie"},{"id":"21220","full_name":"Sextro, Walter","first_name":"Walter","last_name":"Sextro"}],"year":"2021","title":"On the applicability of time series features as health indicators for technical systems operating under varying conditions","language":[{"iso":"eng"}],"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"}],"publication":"Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)","department":[{"_id":"151"}],"type":"conference","keyword":["Wind turbine diagnostics","bearing diagnostics","non-stationary operating conditions","varying operating conditions","feature extraction","feature selection","fault detection","failure detection"],"date_created":"2021-06-23T05:24:39Z","file":[{"creator":"kennedy","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/.","date_created":"2021-06-23T06:43:44Z","date_updated":"2021-06-23T06:50:07Z","relation":"main_file","access_level":"open_access","file_size":1875572,"file_name":"Aimiyekagbon_et_al_2021_On_the_applicability_of_time_series_features_as_health_indicators_postPrint.pdf","title":"On the applicability of time series features as health indicators for technical systems operating under varying conditions","content_type":"application/pdf","file_id":"22508"}],"has_accepted_license":"1","conference":{"name":"Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)","start_date":"2021-06-14","end_date":"2021-06-18"},"status":"public","ddc":["620"],"user_id":"9557","_id":"22507","quality_controlled":"1","citation":{"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} }","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: <i>Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)</i>.","mla":"Aimiyekagbon, Osarenren Kennedy, et al. “On the Applicability of Time Series Features as Health Indicators for Technical Systems Operating under Varying Conditions.” <i>Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)</i>.","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.","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 <i>Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)</i>, 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).","apa":"Aimiyekagbon, O. K., Bender, A., &#38; Sextro, W. (n.d.). On the applicability of time series features as health indicators for technical systems operating under varying conditions. <i>Proceedings of the Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)</i>. Seventeenth International Conference on Condition Monitoring and Asset Management (CM 2021)."},"file_date_updated":"2021-06-23T06:50:07Z","oa":"1"},{"intvolume":"         6","publication_status":"published","date_updated":"2023-09-22T09:13:01Z","author":[{"id":"9557","first_name":"Osarenren Kennedy","last_name":"Aimiyekagbon","full_name":"Aimiyekagbon, Osarenren Kennedy"},{"id":"77313","full_name":"Muth, Lars","last_name":"Muth","first_name":"Lars","orcid":"0000-0002-2938-5616"},{"full_name":"Wohlleben, Meike Claudia","first_name":"Meike Claudia","orcid":"0009-0009-9767-7168","last_name":"Wohlleben","id":"43991"},{"id":"54290","last_name":"Bender","first_name":"Amelie","full_name":"Bender, Amelie"},{"full_name":"Sextro, Walter","first_name":"Walter","last_name":"Sextro","id":"21220"}],"year":"2021","title":"Rule-based Diagnostics of a Production Line","doi":"10.36001/phme.2021.v6i1.3042","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1","url":"http://papers.phmsociety.org/index.php/phme/article/download/3042/1812"}],"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."}],"issue":"1","publication":"Proceedings of the European Conference of the PHM Society 2021","department":[{"_id":"151"}],"keyword":["PHME 2021","Feature Selection Classification","Feature Selection Clustering","Interpretable Model","Transparent Model","Industry 4.0","Real-World Diagnostics","Quality Control","Predictive Maintenance"],"type":"conference","date_created":"2021-11-03T12:26:39Z","conference":{"name":"PHM Society European Conference"},"status":"public","volume":6,"editor":[{"full_name":"Do, Phuc","first_name":"Phuc","last_name":"Do"},{"last_name":"King","first_name":"Steve","full_name":"King, Steve"},{"full_name":"Fink, Olga","last_name":"Fink","first_name":"Olga"}],"user_id":"9557","_id":"27111","page":"527-536","quality_controlled":"1","citation":{"bibtex":"@inproceedings{Aimiyekagbon_Muth_Wohlleben_Bender_Sextro_2021, title={Rule-based Diagnostics of a Production Line}, volume={6}, DOI={<a href=\"https://doi.org/10.36001/phme.2021.v6i1.3042\">10.36001/phme.2021.v6i1.3042</a>}, 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} }","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. <i>Proceedings of the European Conference of the PHM Society 2021</i>. Vol 6. ; 2021:527-536. doi:<a href=\"https://doi.org/10.36001/phme.2021.v6i1.3042\">10.36001/phme.2021.v6i1.3042</a>","mla":"Aimiyekagbon, Osarenren Kennedy, et al. “Rule-Based Diagnostics of a Production Line.” <i>Proceedings of the European Conference of the PHM Society 2021</i>, edited by Phuc Do et al., vol. 6, no. 1, 2021, pp. 527–36, doi:<a href=\"https://doi.org/10.36001/phme.2021.v6i1.3042\">10.36001/phme.2021.v6i1.3042</a>.","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.","chicago":"Aimiyekagbon, Osarenren Kennedy, Lars Muth, Meike Claudia Wohlleben, Amelie Bender, and Walter Sextro. “Rule-Based Diagnostics of a Production Line.” In <i>Proceedings of the European Conference of the PHM Society 2021</i>, edited by Phuc Do, Steve King, and Olga Fink, 6:527–36, 2021. <a href=\"https://doi.org/10.36001/phme.2021.v6i1.3042\">https://doi.org/10.36001/phme.2021.v6i1.3042</a>.","ieee":"O. K. Aimiyekagbon, L. Muth, M. C. Wohlleben, A. Bender, and W. Sextro, “Rule-based Diagnostics of a Production Line,” in <i>Proceedings of the European Conference of the PHM Society 2021</i>, 2021, vol. 6, no. 1, pp. 527–536, doi: <a href=\"https://doi.org/10.36001/phme.2021.v6i1.3042\">10.36001/phme.2021.v6i1.3042</a>.","apa":"Aimiyekagbon, O. K., Muth, L., Wohlleben, M. C., Bender, A., &#38; Sextro, W. (2021). Rule-based Diagnostics of a Production Line. In P. Do, S. King, &#38; O. Fink (Eds.), <i>Proceedings of the European Conference of the PHM Society 2021</i> (Vol. 6, Issue 1, pp. 527–536). <a href=\"https://doi.org/10.36001/phme.2021.v6i1.3042\">https://doi.org/10.36001/phme.2021.v6i1.3042</a>"},"oa":"1"},{"has_accepted_license":"1","status":"public","user_id":"15278","ddc":["004"],"page":"e6616","_id":"24788","quality_controlled":"1","project":[{"name":"Computing Resources Provided by the Paderborn Center for Parallel Computing","_id":"52"},{"grant_number":"01|H16005A","_id":"33","name":"HighPerMeshes"}],"file_date_updated":"2021-09-22T06:19:29Z","citation":{"ama":"Alhaddad S, Förstner J, Groth S, et al. The HighPerMeshes framework for numerical algorithms on unstructured grids. <i>Concurrency and Computation: Practice and Experience</i>. Published online 2021:e6616. doi:<a href=\"https://doi.org/10.1002/cpe.6616\">10.1002/cpe.6616</a>","short":"S. Alhaddad, J. Förstner, S. Groth, D. Grünewald, Y. Grynko, F. Hannig, T. Kenter, F. Pfreundt, C. Plessl, M. 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We prove a correlation inequality, estimating the magnetic susceptibility of this model, which holds for small norm of the interaction function. The bound on the magnetic susceptibility has applications in quantum field theory and can be used to prove existence of ground states for the spin boson model.","lang":"eng"}],"publication":"Stochastic Processes and their Applications","type":"journal_article","date_created":"2023-04-14T04:50:01Z","article_type":"original","intvolume":"       146","publication_status":"published","date_updated":"2026-01-16T09:03:28Z","author":[{"last_name":"Hasler","first_name":"David","full_name":"Hasler, David"},{"id":"99427","full_name":"Hinrichs, Benjamin","orcid":"0000-0001-9074-1205","last_name":"Hinrichs","first_name":"Benjamin"},{"full_name":"Siebert, Oliver","first_name":"Oliver","last_name":"Siebert"}],"publication_identifier":{"issn":["0304-4149"]},"title":"Correlation bound for a one-dimensional continuous long-range Ising model","year":"2021","doi":"10.1016/j.spa.2021.12.010","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1"}]},{"oa":"1","external_id":{"arxiv":["2102.13373"]},"citation":{"ama":"Hasler D, Hinrichs B, Siebert O. On Existence of Ground States in the Spin Boson Model. <i>Communications in Mathematical Physics</i>. 2021;388(1):419-433. doi:<a href=\"https://doi.org/10.1007/s00220-021-04185-w\">10.1007/s00220-021-04185-w</a>","bibtex":"@article{Hasler_Hinrichs_Siebert_2021, title={On Existence of Ground States in the Spin Boson Model}, volume={388}, DOI={<a href=\"https://doi.org/10.1007/s00220-021-04185-w\">10.1007/s00220-021-04185-w</a>}, number={1}, journal={Communications in Mathematical Physics}, publisher={Springer Science and Business Media LLC}, author={Hasler, David and Hinrichs, Benjamin and Siebert, Oliver}, year={2021}, pages={419–433} }","mla":"Hasler, David, et al. “On Existence of Ground States in the Spin Boson Model.” <i>Communications in Mathematical Physics</i>, vol. 388, no. 1, Springer Science and Business Media LLC, 2021, pp. 419–33, doi:<a href=\"https://doi.org/10.1007/s00220-021-04185-w\">10.1007/s00220-021-04185-w</a>.","chicago":"Hasler, David, Benjamin Hinrichs, and Oliver Siebert. “On Existence of Ground States in the Spin Boson Model.” <i>Communications in Mathematical Physics</i> 388, no. 1 (2021): 419–33. <a href=\"https://doi.org/10.1007/s00220-021-04185-w\">https://doi.org/10.1007/s00220-021-04185-w</a>.","short":"D. Hasler, B. Hinrichs, O. Siebert, Communications in Mathematical Physics 388 (2021) 419–433.","apa":"Hasler, D., Hinrichs, B., &#38; Siebert, O. (2021). On Existence of Ground States in the Spin Boson Model. <i>Communications in Mathematical Physics</i>, <i>388</i>(1), 419–433. <a href=\"https://doi.org/10.1007/s00220-021-04185-w\">https://doi.org/10.1007/s00220-021-04185-w</a>","ieee":"D. Hasler, B. Hinrichs, and O. Siebert, “On Existence of Ground States in the Spin Boson Model,” <i>Communications in Mathematical Physics</i>, vol. 388, no. 1, pp. 419–433, 2021, doi: <a href=\"https://doi.org/10.1007/s00220-021-04185-w\">10.1007/s00220-021-04185-w</a>."},"volume":388,"user_id":"99427","publisher":"Springer Science and Business Media LLC","_id":"43465","page":"419-433","status":"public","type":"journal_article","date_created":"2023-04-13T18:07:22Z","abstract":[{"text":"We show the existence of ground states in the massless spin boson model without any infrared regularization. Our proof is non-perturbative and relies on a compactness argument. It works for arbitrary values of the coupling constant under the hypothesis that the second derivative of the ground state energy as a function of a constant external magnetic field is bounded.","lang":"eng"}],"extern":"1","issue":"1","publication":"Communications in Mathematical Physics","doi":"10.1007/s00220-021-04185-w","language":[{"iso":"eng"}],"main_file_link":[{"open_access":"1"}],"intvolume":"       388","article_type":"original","date_updated":"2026-01-16T09:02:44Z","publication_status":"published","publication_identifier":{"issn":["0010-3616","1432-0916"]},"author":[{"full_name":"Hasler, David","last_name":"Hasler","first_name":"David"},{"id":"99427","last_name":"Hinrichs","first_name":"Benjamin","orcid":"0000-0001-9074-1205","full_name":"Hinrichs, Benjamin"},{"full_name":"Siebert, Oliver","last_name":"Siebert","first_name":"Oliver"}],"title":"On Existence of Ground States in the Spin Boson Model","year":"2021"},{"date_updated":"2026-01-26T08:50:10Z","publication_status":"published","publication_identifier":{"isbn":["978-1-7281-7584-3"]},"author":[{"full_name":"Malena, Kevin","last_name":"Malena","orcid":"0000-0003-1183-4679","first_name":"Kevin","id":"36303"},{"last_name":"Link","first_name":"Christopher","full_name":"Link, Christopher","id":"38249"},{"id":"13195","last_name":"Mertin","first_name":"Sven","full_name":"Mertin, Sven"},{"first_name":"Sandra","last_name":"Gausemeier","full_name":"Gausemeier, Sandra","id":"17793"},{"id":"552","first_name":"Ansgar","last_name":"Trächtler","full_name":"Trächtler, Ansgar"}],"title":"Validation of an Online State Estimation Concept for Microscopic Traffic Simulations◆","year":"2021","doi":"10.1109/itec51675.2021.9490087","language":[{"iso":"eng"}],"main_file_link":[{"url":"https://ieeexplore.ieee.org/document/9490087","open_access":"1"}],"related_material":{"link":[{"relation":"confirmation","url":"https://ieeexplore.ieee.org/document/9490087"}]},"abstract":[{"text":"This paper deals with a novel method for the online fitting of a microscopic traffic simulation model to the current state of a real world traffic area. The traffic state estimation is based on limited data of different measurement sources and guarantees general accordance of reality and simulation in terms of multimodal road traffic counts and vehicle speeds. The research is embedded in the challenge of improving the traffic by controlling the traffic light systems (TLS) of the examined area. Therefore, the current traffic state and the predicted route choices of individual road users are the matter of interest. The concept is generally transferable to any road traffic system. To give an impression of the accuracy and potential of the approach, the validation and first application results are presented.","lang":"eng"}],"publication":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","department":[{"_id":"153"}],"type":"conference","date_created":"2021-09-10T12:45:25Z","conference":{"start_date":"2021-05-21","name":"2021 IEEE Transportation Electrification Conference & Expo (ITEC)","end_date":"2021-05-25"},"status":"public","user_id":"36303","_id":"24166","publisher":"IEEE","project":[{"_id":"688","name":"Pilotprojekt \"Schlosskreuzung\""}],"citation":{"ama":"Malena K, Link C, Mertin S, Gausemeier S, Trächtler A. Validation of an Online State Estimation Concept for Microscopic Traffic Simulations◆. In: <i>2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC)</i>. IEEE; 2021. doi:<a href=\"https://doi.org/10.1109/itec51675.2021.9490087\">10.1109/itec51675.2021.9490087</a>","bibtex":"@inproceedings{Malena_Link_Mertin_Gausemeier_Trächtler_2021, place={Chicago, IL, USA }, title={Validation of an Online State Estimation Concept for Microscopic Traffic Simulations◆}, DOI={<a href=\"https://doi.org/10.1109/itec51675.2021.9490087\">10.1109/itec51675.2021.9490087</a>}, booktitle={2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC)}, publisher={IEEE}, author={Malena, Kevin and Link, Christopher and Mertin, Sven and Gausemeier, Sandra and Trächtler, Ansgar}, year={2021} }","mla":"Malena, Kevin, et al. “Validation of an Online State Estimation Concept for Microscopic Traffic Simulations◆.” <i>2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC)</i>, IEEE, 2021, doi:<a href=\"https://doi.org/10.1109/itec51675.2021.9490087\">10.1109/itec51675.2021.9490087</a>.","chicago":"Malena, Kevin, Christopher Link, Sven Mertin, Sandra Gausemeier, and Ansgar Trächtler. “Validation of an Online State Estimation Concept for Microscopic Traffic Simulations◆.” In <i>2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC)</i>. Chicago, IL, USA : IEEE, 2021. <a href=\"https://doi.org/10.1109/itec51675.2021.9490087\">https://doi.org/10.1109/itec51675.2021.9490087</a>.","short":"K. Malena, C. Link, S. Mertin, S. Gausemeier, A. Trächtler, in: 2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC), IEEE, Chicago, IL, USA , 2021.","apa":"Malena, K., Link, C., Mertin, S., Gausemeier, S., &#38; Trächtler, A. (2021). Validation of an Online State Estimation Concept for Microscopic Traffic Simulations◆. <i>2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC)</i>. 2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC). <a href=\"https://doi.org/10.1109/itec51675.2021.9490087\">https://doi.org/10.1109/itec51675.2021.9490087</a>","ieee":"K. Malena, C. Link, S. Mertin, S. Gausemeier, and A. Trächtler, “Validation of an Online State Estimation Concept for Microscopic Traffic Simulations◆,” presented at the 2021 IEEE Transportation Electrification Conference &#38; Expo (ITEC), 2021, doi: <a href=\"https://doi.org/10.1109/itec51675.2021.9490087\">10.1109/itec51675.2021.9490087</a>."},"oa":"1","place":"Chicago, IL, USA "},{"main_file_link":[{"url":"https://nbn-resolving.org/urn:nbn:de:hbz:466:2-39133","open_access":"1"}],"_id":"64765","language":[{"iso":"eng"}],"user_id":"178","year":"2021","status":"public","title":"Regularity properties of infinite-dimensional Lie groups and exponential laws","author":[{"first_name":"Natalie","last_name":"Nikitin","full_name":"Nikitin, Natalie"}],"date_updated":"2026-02-26T21:15:28Z","date_created":"2026-02-26T21:15:13Z","type":"dissertation","oa":"1","department":[{"_id":"10"},{"_id":"87"},{"_id":"93"}],"supervisor":[{"id":"178","full_name":"Glöckner, Helge","first_name":"Helge","last_name":"Glöckner"}],"citation":{"ieee":"N. Nikitin, <i>Regularity properties of infinite-dimensional Lie groups and exponential laws</i>. 2021.","apa":"Nikitin, N. (2021). <i>Regularity properties of infinite-dimensional Lie groups and exponential laws</i>.","chicago":"Nikitin, Natalie. <i>Regularity Properties of Infinite-Dimensional Lie Groups and Exponential Laws</i>, 2021.","short":"N. Nikitin, Regularity Properties of Infinite-Dimensional Lie Groups and Exponential Laws, 2021.","mla":"Nikitin, Natalie. <i>Regularity Properties of Infinite-Dimensional Lie Groups and Exponential Laws</i>. 2021.","bibtex":"@book{Nikitin_2021, title={Regularity properties of infinite-dimensional Lie groups and exponential laws}, author={Nikitin, Natalie}, year={2021} }","ama":"Nikitin N. <i>Regularity Properties of Infinite-Dimensional Lie Groups and Exponential Laws</i>.; 2021."}},{"oa":"1","quality_controlled":"1","citation":{"ieee":"J. Linnemann, K. Kanokkanchana, and K. Tschulik, “Design Strategies for Electrocatalysts from an Electrochemist’s Perspective,” <i>ACS Catalysis</i>, vol. 11, no. 9, pp. 5318–5346, 2021, doi: <a href=\"https://doi.org/10.1021/acscatal.0c04118\">10.1021/acscatal.0c04118</a>.","apa":"Linnemann, J., Kanokkanchana, K., &#38; Tschulik, K. (2021). Design Strategies for Electrocatalysts from an Electrochemist’s Perspective. <i>ACS Catalysis</i>, <i>11</i>(9), 5318–5346. <a href=\"https://doi.org/10.1021/acscatal.0c04118\">https://doi.org/10.1021/acscatal.0c04118</a>","mla":"Linnemann, Julia, et al. “Design Strategies for Electrocatalysts from an Electrochemist’s Perspective.” <i>ACS Catalysis</i>, vol. 11, no. 9, American Chemical Society (ACS), 2021, pp. 5318–46, doi:<a href=\"https://doi.org/10.1021/acscatal.0c04118\">10.1021/acscatal.0c04118</a>.","bibtex":"@article{Linnemann_Kanokkanchana_Tschulik_2021, title={Design Strategies for Electrocatalysts from an Electrochemist’s Perspective}, volume={11}, DOI={<a href=\"https://doi.org/10.1021/acscatal.0c04118\">10.1021/acscatal.0c04118</a>}, number={9}, journal={ACS Catalysis}, publisher={American Chemical Society (ACS)}, author={Linnemann, Julia and Kanokkanchana, Kannasoot and Tschulik, Kristina}, year={2021}, pages={5318–5346} }","chicago":"Linnemann, Julia, Kannasoot Kanokkanchana, and Kristina Tschulik. “Design Strategies for Electrocatalysts from an Electrochemist’s Perspective.” <i>ACS Catalysis</i> 11, no. 9 (2021): 5318–46. <a href=\"https://doi.org/10.1021/acscatal.0c04118\">https://doi.org/10.1021/acscatal.0c04118</a>.","short":"J. Linnemann, K. Kanokkanchana, K. Tschulik, ACS Catalysis 11 (2021) 5318–5346.","ama":"Linnemann J, Kanokkanchana K, Tschulik K. Design Strategies for Electrocatalysts from an Electrochemist’s Perspective. <i>ACS Catalysis</i>. 2021;11(9):5318-5346. doi:<a href=\"https://doi.org/10.1021/acscatal.0c04118\">10.1021/acscatal.0c04118</a>"},"user_id":"116779","volume":11,"page":"5318-5346","publisher":"American Chemical Society (ACS)","_id":"62803","status":"public","keyword":["electrocatalysis"],"type":"journal_article","department":[{"_id":"985"}],"date_created":"2025-12-03T15:31:28Z","abstract":[{"text":"The aim to produce highly active, selective, and long-lived electrocatalysts by design drives major research efforts toward gaining fundamental understanding of the relationship between material properties and their catalytic performance. Surface characterization tools enable to assess atomic scale information on the complexity of electrocatalyst materials. Advancing electrochemical methodologies to adequately characterize such systems was less of a research focus point. In this Review, we shed light on the ability to gain fundamental insights into electrocatalysis from a complementary perspective and establish corresponding design strategies. These may rely on adopting the perceptions and models of other subareas of electrochemistry, such as corrosion, battery research, or electrodeposition. Concepts on how to account for and improve mass transport, manage gas bubble release, or exploit magnetic fields are highlighted in this respect. Particular attention is paid to deriving design strategies for nanoelectrocatalysts, which is often impeded, as structural and physical material properties are buried in electrochemical data of whole electrodes or even devices. Thus, a second major approach focuses on overcoming this difference in the considered level of complexity by methods of single-entity electrochemistry. The gained understanding of intrinsic catalyst performance may allow to rationally advance design concepts with increased complexity, such as three-dimensional electrode architectures. Many materials undergo structural changes upon formation of the working catalyst. Accordingly, developing “precatalysts” with low hindrance of the electrochemical transformation to the active catalyst is suggested as a final design strategy.","lang":"eng"}],"extern":"1","issue":"9","publication":"ACS Catalysis","doi":"10.1021/acscatal.0c04118","main_file_link":[{"open_access":"1","url":"https://pubs.acs.org/doi/full/10.1021/acscatal.0c04118"}],"language":[{"iso":"eng"}],"date_updated":"2025-12-03T16:32:18Z","publication_status":"published","intvolume":"        11","article_type":"review","year":"2021","title":"Design Strategies for Electrocatalysts from an Electrochemist’s Perspective","publication_identifier":{"issn":["2155-5435","2155-5435"]},"author":[{"id":"116779","orcid":"0000-0001-6883-5424","last_name":"Linnemann","first_name":"Julia","full_name":"Linnemann, Julia"},{"full_name":"Kanokkanchana, Kannasoot","first_name":"Kannasoot","last_name":"Kanokkanchana"},{"last_name":"Tschulik","first_name":"Kristina","full_name":"Tschulik, Kristina"}]},{"status":"public","_id":"62806","publisher":"Wiley","volume":61,"user_id":"116779","citation":{"chicago":"Azimzadeh Sani, Mahnaz, Nicholas G. Pavlopoulos, Simone Pezzotti, Alessandra Serva, Paolo Cignoni, Julia Linnemann, Mathieu Salanne, Marie‐Pierre Gaigeot, and Kristina Tschulik. “Unexpectedly High Capacitance of the Metal Nanoparticle/Water Interface: Molecular‐Level Insights into the Electrical Double Layer.” <i>Angewandte Chemie International Edition</i> 61, no. 5 (2021). <a href=\"https://doi.org/10.1002/anie.202112679\">https://doi.org/10.1002/anie.202112679</a>.","short":"M. Azimzadeh Sani, N.G. Pavlopoulos, S. Pezzotti, A. Serva, P. Cignoni, J. Linnemann, M. Salanne, M. Gaigeot, K. Tschulik, Angewandte Chemie International Edition 61 (2021).","ieee":"M. Azimzadeh Sani <i>et al.</i>, “Unexpectedly High Capacitance of the Metal Nanoparticle/Water Interface: Molecular‐Level Insights into the Electrical Double Layer,” <i>Angewandte Chemie International Edition</i>, vol. 61, no. 5, Art. no. e202112679, 2021, doi: <a href=\"https://doi.org/10.1002/anie.202112679\">10.1002/anie.202112679</a>.","apa":"Azimzadeh Sani, M., Pavlopoulos, N. G., Pezzotti, S., Serva, A., Cignoni, P., Linnemann, J., Salanne, M., Gaigeot, M., &#38; Tschulik, K. (2021). Unexpectedly High Capacitance of the Metal Nanoparticle/Water Interface: Molecular‐Level Insights into the Electrical Double Layer. <i>Angewandte Chemie International Edition</i>, <i>61</i>(5), Article e202112679. <a href=\"https://doi.org/10.1002/anie.202112679\">https://doi.org/10.1002/anie.202112679</a>","bibtex":"@article{Azimzadeh Sani_Pavlopoulos_Pezzotti_Serva_Cignoni_Linnemann_Salanne_Gaigeot_Tschulik_2021, title={Unexpectedly High Capacitance of the Metal Nanoparticle/Water Interface: Molecular‐Level Insights into the Electrical Double Layer}, volume={61}, DOI={<a href=\"https://doi.org/10.1002/anie.202112679\">10.1002/anie.202112679</a>}, number={5e202112679}, journal={Angewandte Chemie International Edition}, publisher={Wiley}, author={Azimzadeh Sani, Mahnaz and Pavlopoulos, Nicholas G. and Pezzotti, Simone and Serva, Alessandra and Cignoni, Paolo and Linnemann, Julia and Salanne, Mathieu and Gaigeot, Marie‐Pierre and Tschulik, Kristina}, year={2021} }","ama":"Azimzadeh Sani M, Pavlopoulos NG, Pezzotti S, et al. Unexpectedly High Capacitance of the Metal Nanoparticle/Water Interface: Molecular‐Level Insights into the Electrical Double Layer. <i>Angewandte Chemie International Edition</i>. 2021;61(5). doi:<a href=\"https://doi.org/10.1002/anie.202112679\">10.1002/anie.202112679</a>","mla":"Azimzadeh Sani, Mahnaz, et al. “Unexpectedly High Capacitance of the Metal Nanoparticle/Water Interface: Molecular‐Level Insights into the Electrical Double Layer.” <i>Angewandte Chemie International Edition</i>, vol. 61, no. 5, e202112679, Wiley, 2021, doi:<a href=\"https://doi.org/10.1002/anie.202112679\">10.1002/anie.202112679</a>."},"quality_controlled":"1","oa":"1","publication_identifier":{"issn":["1433-7851","1521-3773"]},"author":[{"full_name":"Azimzadeh Sani, Mahnaz","last_name":"Azimzadeh Sani","first_name":"Mahnaz"},{"first_name":"Nicholas G.","last_name":"Pavlopoulos","full_name":"Pavlopoulos, Nicholas G."},{"last_name":"Pezzotti","first_name":"Simone","full_name":"Pezzotti, Simone"},{"full_name":"Serva, Alessandra","first_name":"Alessandra","last_name":"Serva"},{"full_name":"Cignoni, Paolo","last_name":"Cignoni","first_name":"Paolo"},{"id":"116779","full_name":"Linnemann, Julia","first_name":"Julia","orcid":"0000-0001-6883-5424","last_name":"Linnemann"},{"first_name":"Mathieu","last_name":"Salanne","full_name":"Salanne, Mathieu"},{"first_name":"Marie‐Pierre","last_name":"Gaigeot","full_name":"Gaigeot, Marie‐Pierre"},{"full_name":"Tschulik, Kristina","last_name":"Tschulik","first_name":"Kristina"}],"year":"2021","title":"Unexpectedly High Capacitance of the Metal Nanoparticle/Water Interface: Molecular‐Level Insights into the Electrical Double Layer","article_type":"original","intvolume":"        61","publication_status":"published","date_updated":"2025-12-03T16:31:54Z","language":[{"iso":"eng"}],"article_number":"e202112679","main_file_link":[{"open_access":"1"}],"doi":"10.1002/anie.202112679","issue":"5","publication":"Angewandte Chemie International Edition","extern":"1","abstract":[{"text":"The electrical double‐layer plays a key role in important interfacial electrochemical processes from catalysis to energy storage and corrosion. Therefore, understanding its structure is crucial for the progress of sustainable technologies. We extract new physico‐chemical information on the capacitance and structure of the electrical double‐layer of platinum and gold nanoparticles at the molecular level, employing single nanoparticle electrochemistry. The charge storage ability of the solid/liquid interface is larger by one order‐of‐magnitude than predicted by the traditional mean‐field models of the double‐layer such as the Gouy–Chapman–Stern model. Performing molecular dynamics simulations, we investigate the possible relationship between the measured high capacitance and adsorption strength of the water adlayer formed at the metal surface. These insights may launch the active tuning of solid–solvent and solvent–solvent interactions as an innovative design strategy to transform energy technologies towards superior performance and sustainability.","lang":"eng"}],"date_created":"2025-12-03T15:39:25Z","department":[{"_id":"985"}],"keyword":["single-entity electrochemistry","electrical double layer","supercapacitor","nanoparticles"],"type":"journal_article"},{"oa":"1","citation":{"mla":"Liu, Zhibin, et al. “Single Co<sub>3</sub>O<sub>4</sub> Nanocubes Electrocatalyzing the Oxygen Evolution Reaction: Nano-Impact Insights into Intrinsic Activity and Support Effects.” <i>International Journal of Molecular Sciences</i>, vol. 22, no. 23, 13137, MDPI AG, 2021, doi:<a href=\"https://doi.org/10.3390/ijms222313137\">10.3390/ijms222313137</a>.","bibtex":"@article{Liu_Corva_Amin_Blanc_Linnemann_Tschulik_2021, title={Single Co<sub>3</sub>O<sub>4</sub> Nanocubes Electrocatalyzing the Oxygen Evolution Reaction: Nano-Impact Insights into Intrinsic Activity and Support Effects}, volume={22}, DOI={<a href=\"https://doi.org/10.3390/ijms222313137\">10.3390/ijms222313137</a>}, number={2313137}, journal={International Journal of Molecular Sciences}, publisher={MDPI AG}, author={Liu, Zhibin and Corva, Manuel and Amin, Hatem M. A. and Blanc, Niclas and Linnemann, Julia and Tschulik, Kristina}, year={2021} }","ama":"Liu Z, Corva M, Amin HMA, Blanc N, Linnemann J, Tschulik K. Single Co<sub>3</sub>O<sub>4</sub> Nanocubes Electrocatalyzing the Oxygen Evolution Reaction: Nano-Impact Insights into Intrinsic Activity and Support Effects. <i>International Journal of Molecular Sciences</i>. 2021;22(23). doi:<a href=\"https://doi.org/10.3390/ijms222313137\">10.3390/ijms222313137</a>","ieee":"Z. Liu, M. Corva, H. M. A. Amin, N. Blanc, J. Linnemann, and K. Tschulik, “Single Co<sub>3</sub>O<sub>4</sub> Nanocubes Electrocatalyzing the Oxygen Evolution Reaction: Nano-Impact Insights into Intrinsic Activity and Support Effects,” <i>International Journal of Molecular Sciences</i>, vol. 22, no. 23, Art. no. 13137, 2021, doi: <a href=\"https://doi.org/10.3390/ijms222313137\">10.3390/ijms222313137</a>.","apa":"Liu, Z., Corva, M., Amin, H. M. A., Blanc, N., Linnemann, J., &#38; Tschulik, K. (2021). Single Co<sub>3</sub>O<sub>4</sub> Nanocubes Electrocatalyzing the Oxygen Evolution Reaction: Nano-Impact Insights into Intrinsic Activity and Support Effects. <i>International Journal of Molecular Sciences</i>, <i>22</i>(23), Article 13137. <a href=\"https://doi.org/10.3390/ijms222313137\">https://doi.org/10.3390/ijms222313137</a>","chicago":"Liu, Zhibin, Manuel Corva, Hatem M. A. Amin, Niclas Blanc, Julia Linnemann, and Kristina Tschulik. “Single Co<sub>3</sub>O<sub>4</sub> Nanocubes Electrocatalyzing the Oxygen Evolution Reaction: Nano-Impact Insights into Intrinsic Activity and Support Effects.” <i>International Journal of Molecular Sciences</i> 22, no. 23 (2021). <a href=\"https://doi.org/10.3390/ijms222313137\">https://doi.org/10.3390/ijms222313137</a>.","short":"Z. Liu, M. Corva, H.M.A. Amin, N. Blanc, J. Linnemann, K. Tschulik, International Journal of Molecular Sciences 22 (2021)."},"quality_controlled":"1","publisher":"MDPI AG","_id":"62805","user_id":"116779","volume":22,"status":"public","date_created":"2025-12-03T15:35:52Z","keyword":["electrocatalysis","oxygen evolution reaction","cobalt spinel","single-entity electrochemistry"],"type":"journal_article","department":[{"_id":"985"}],"issue":"23","publication":"International Journal of Molecular Sciences","abstract":[{"lang":"eng","text":"Single-entity electrochemistry allows for assessing electrocatalytic activities of individual material entities such as nanoparticles (NPs). Thus, it becomes possible to consider intrinsic electrochemical properties of nanocatalysts when researching how activity relates to physical and structural material properties. Conversely, conventional electrochemical techniques provide a normalized sum current referring to a huge ensemble of NPs constituting, along with additives (e.g., binders), a complete catalyst-coated electrode. Accordingly, recording electrocatalytic responses of single NPs avoids interferences of ensemble effects and reduces the complexity of electrocatalytic processes, thus enabling detailed description and modelling. Herein, we present insights into the oxygen evolution catalysis at individual cubic Co3O4 NPs impacting microelectrodes of different support materials. Simulating diffusion at supported nanocubes, measured step current signals can be analyzed, providing edge lengths, corresponding size distributions, and interference-free turnover frequencies. The provided nano-impact investigation of (electro-)catalyst-support effects contradicts assumptions on a low number of highly active sites."}],"extern":"1","main_file_link":[{"open_access":"1"}],"article_number":"13137","language":[{"iso":"eng"}],"doi":"10.3390/ijms222313137","year":"2021","title":"Single Co<sub>3</sub>O<sub>4</sub> Nanocubes Electrocatalyzing the Oxygen Evolution Reaction: Nano-Impact Insights into Intrinsic Activity and Support Effects","publication_identifier":{"issn":["1422-0067"]},"author":[{"full_name":"Liu, Zhibin","last_name":"Liu","first_name":"Zhibin"},{"full_name":"Corva, Manuel","last_name":"Corva","first_name":"Manuel"},{"last_name":"Amin","first_name":"Hatem M. A.","full_name":"Amin, Hatem M. A."},{"full_name":"Blanc, Niclas","first_name":"Niclas","last_name":"Blanc"},{"id":"116779","first_name":"Julia","orcid":"0000-0001-6883-5424","last_name":"Linnemann","full_name":"Linnemann, Julia"},{"last_name":"Tschulik","first_name":"Kristina","full_name":"Tschulik, Kristina"}],"date_updated":"2025-12-03T16:52:35Z","publication_status":"published","intvolume":"        22","article_type":"original"},{"status":"public","user_id":"54823","editor":[{"full_name":"Kubsch, Marcus","first_name":"Marcus","last_name":"Kubsch"},{"full_name":"Sorge, Stefan","first_name":"Stefan","last_name":"Sorge"},{"full_name":"Arnold, Julia","last_name":"Arnold","first_name":"Julia"},{"first_name":"Nicole","last_name":"Graulich","full_name":"Graulich, Nicole"}],"page":"150-154","publisher":"Waxmann","_id":"23733","citation":{"chicago":"Pollmeier, Pascal, and Sabine Fechner. “Förderung angehender Lehrkräfte im Umgang mit Evidenzen für den naturwissenschaftlichen Unterricht.” In <i>Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken</i>, edited by Marcus Kubsch, Stefan Sorge, Julia Arnold, and Nicole Graulich, 150–54. Waxmann, 2021. <a href=\"https://doi.org/10.31244/9783830993490\">https://doi.org/10.31244/9783830993490</a>.","short":"P. Pollmeier, S. Fechner, in: M. Kubsch, S. Sorge, J. Arnold, N. Graulich (Eds.), Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken, Waxmann, 2021, pp. 150–154.","ieee":"P. Pollmeier and S. Fechner, “Förderung angehender Lehrkräfte im Umgang mit Evidenzen für den naturwissenschaftlichen Unterricht,” in <i>Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken</i>, M. Kubsch, S. Sorge, J. Arnold, and N. Graulich, Eds. Waxmann, 2021, pp. 150–154.","apa":"Pollmeier, P., &#38; Fechner, S. (2021). Förderung angehender Lehrkräfte im Umgang mit Evidenzen für den naturwissenschaftlichen Unterricht. In M. Kubsch, S. Sorge, J. Arnold, &#38; N. Graulich (Eds.), <i>Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken</i> (pp. 150–154). Waxmann. <a href=\"https://doi.org/10.31244/9783830993490\">https://doi.org/10.31244/9783830993490</a>","bibtex":"@inbook{Pollmeier_Fechner_2021, title={Förderung angehender Lehrkräfte im Umgang mit Evidenzen für den naturwissenschaftlichen Unterricht}, DOI={<a href=\"https://doi.org/10.31244/9783830993490\">10.31244/9783830993490</a>}, booktitle={Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken}, publisher={Waxmann}, author={Pollmeier, Pascal and Fechner, Sabine}, editor={Kubsch, Marcus and Sorge, Stefan and Arnold, Julia and Graulich, Nicole}, year={2021}, pages={150–154} }","ama":"Pollmeier P, Fechner S. Förderung angehender Lehrkräfte im Umgang mit Evidenzen für den naturwissenschaftlichen Unterricht. In: Kubsch M, Sorge S, Arnold J, Graulich N, eds. <i>Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken</i>. Waxmann; 2021:150-154. doi:<a href=\"https://doi.org/10.31244/9783830993490\">10.31244/9783830993490</a>","mla":"Pollmeier, Pascal, and Sabine Fechner. “Förderung angehender Lehrkräfte im Umgang mit Evidenzen für den naturwissenschaftlichen Unterricht.” <i>Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken</i>, edited by Marcus Kubsch et al., Waxmann, 2021, pp. 150–54, doi:<a href=\"https://doi.org/10.31244/9783830993490\">10.31244/9783830993490</a>."},"oa":"1","date_updated":"2025-12-03T18:02:50Z","publication_status":"published","year":"2021","title":"Förderung angehender Lehrkräfte im Umgang mit Evidenzen für den naturwissenschaftlichen Unterricht","author":[{"first_name":"Pascal","last_name":"Pollmeier","full_name":"Pollmeier, Pascal","id":"44191"},{"full_name":"Fechner, Sabine","first_name":"Sabine","orcid":"0000-0001-5645-5870","last_name":"Fechner","id":"54823"}],"publication_identifier":{"isbn":["9783830943495"]},"doi":"10.31244/9783830993490","main_file_link":[{"url":"https://www.waxmann.com/shop/download?tx_p2waxmann_download%5Baction%5D=download&tx_p2waxmann_download%5Bbuchnr%5D=4349&tx_p2waxmann_download%5Bcontroller%5D=Zeitschrift&cHash=4ac498ffa50e3b0ac5dff4f160ffbc85","open_access":"1"}],"language":[{"iso":"ger"}],"publication":"Lehrkräftebildung neu gedacht. Ein Praxishandbuch für die Lehre in den Naturwissenschaften und deren Didaktiken","type":"book_chapter","department":[{"_id":"386"},{"_id":"33"}],"date_created":"2021-09-03T09:41:21Z"},{"publication":"Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre","date_created":"2021-09-23T12:12:49Z","type":"book_chapter","department":[{"_id":"576"},{"_id":"299"},{"_id":"386"}],"title":"Laborpraktika auf Distanz. Ansätze in den Naturwissenschaften","year":"2021","author":[{"id":"24755","first_name":"Anna","orcid":"0000-0002-1742-3099","last_name":"Bauer","full_name":"Bauer, Anna"},{"first_name":"Marc","orcid":"0000-0001-6217-336X","last_name":"Sacher","full_name":"Sacher, Marc","id":"26883"},{"first_name":"Sebastian","last_name":"Habig","full_name":"Habig, Sebastian"},{"id":"54823","last_name":"Fechner","orcid":"0000-0001-5645-5870","first_name":"Sabine","full_name":"Fechner, Sabine"}],"publication_status":"published","date_updated":"2025-12-03T21:39:53Z","intvolume":"         3","main_file_link":[{"url":"https://www.transcript-verlag.de/978-3-8376-5690-9/hochschule-auf-abstand/","open_access":"1"}],"language":[{"iso":"ger"}],"series_title":"Hochschulbildung: Lehre und Forschung","doi":"DOI: 10.14361/9783839456903-011","citation":{"chicago":"Bauer, Anna, Marc Sacher, Sebastian Habig, and Sabine Fechner. “Laborpraktika auf Distanz. Ansätze in den Naturwissenschaften.” In <i>Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre</i>, edited by Iris Neiske, Judith Osthushenrich, Niclas Schaper, Ulrike Trier, and Nerea Vöing, 3:155–68. Hochschulbildung: Lehre und Forschung. Bielefeld:  transcript Verlag, 2021. <a href=\"https://doi.org/DOI: 10.14361/9783839456903-011\">https://doi.org/DOI: 10.14361/9783839456903-011</a>.","short":"A. Bauer, M. Sacher, S. Habig, S. Fechner, in: I. Neiske, J. Osthushenrich, N. Schaper, U. Trier, N. Vöing (Eds.), Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre,  transcript Verlag, Bielefeld, 2021, pp. 155–168.","ieee":"A. Bauer, M. Sacher, S. Habig, and S. Fechner, “Laborpraktika auf Distanz. Ansätze in den Naturwissenschaften,” in <i>Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre</i>, vol. 3, I. Neiske, J. Osthushenrich, N. Schaper, U. Trier, and N. Vöing, Eds. Bielefeld:  transcript Verlag, 2021, pp. 155–168.","apa":"Bauer, A., Sacher, M., Habig, S., &#38; Fechner, S. (2021). Laborpraktika auf Distanz. Ansätze in den Naturwissenschaften. In I. Neiske, J. Osthushenrich, N. Schaper, U. Trier, &#38; N. Vöing (Eds.), <i>Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre</i> (Vol. 3, pp. 155–168).  transcript Verlag. <a href=\"https://doi.org/DOI: 10.14361/9783839456903-011\">https://doi.org/DOI: 10.14361/9783839456903-011</a>","bibtex":"@inbook{Bauer_Sacher_Habig_Fechner_2021, place={Bielefeld}, series={Hochschulbildung: Lehre und Forschung}, title={Laborpraktika auf Distanz. Ansätze in den Naturwissenschaften}, volume={3}, DOI={<a href=\"https://doi.org/DOI: 10.14361/9783839456903-011\">DOI: 10.14361/9783839456903-011</a>}, booktitle={Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre}, publisher={ transcript Verlag}, author={Bauer, Anna and Sacher, Marc and Habig, Sebastian and Fechner, Sabine}, editor={Neiske, Iris and Osthushenrich, Judith and Schaper, Niclas and Trier, Ulrike and Vöing, Nerea}, year={2021}, pages={155–168}, collection={Hochschulbildung: Lehre und Forschung} }","ama":"Bauer A, Sacher M, Habig S, Fechner S. Laborpraktika auf Distanz. Ansätze in den Naturwissenschaften. In: Neiske I, Osthushenrich J, Schaper N, Trier U, Vöing N, eds. <i>Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre</i>. Vol 3. Hochschulbildung: Lehre und Forschung.  transcript Verlag; 2021:155-168. doi:<a href=\"https://doi.org/DOI: 10.14361/9783839456903-011\">DOI: 10.14361/9783839456903-011</a>","mla":"Bauer, Anna, et al. “Laborpraktika auf Distanz. Ansätze in den Naturwissenschaften.” <i>Hochschule auf Abstand. Ein multiperspektivischer Zugang zur digitalen Lehre</i>, edited by Iris Neiske et al., vol. 3,  transcript Verlag, 2021, pp. 155–68, doi:<a href=\"https://doi.org/DOI: 10.14361/9783839456903-011\">DOI: 10.14361/9783839456903-011</a>."},"quality_controlled":"1","place":"Bielefeld","oa":"1","status":"public","page":"155-168","_id":"24935","publisher":" transcript Verlag","user_id":"54823","volume":3,"editor":[{"last_name":"Neiske","first_name":"Iris","full_name":"Neiske, Iris"},{"full_name":"Osthushenrich, Judith","first_name":"Judith","last_name":"Osthushenrich"},{"first_name":"Niclas","last_name":"Schaper","full_name":"Schaper, Niclas"},{"full_name":"Trier, Ulrike","last_name":"Trier","first_name":"Ulrike"},{"first_name":"Nerea","last_name":"Vöing","full_name":"Vöing, Nerea"}]},{"date_created":"2021-09-03T12:52:28Z","type":"conference","keyword":["digitale Medien"],"department":[{"_id":"386"},{"_id":"33"}],"oa":"1","publication":"Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?","citation":{"short":"H. Peeters, S. Habig, S. Fechner, in: S. Habig (Ed.), Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?, 2021, pp. 613–616.","chicago":"Peeters, Hendrik, Sebastian Habig, and Sabine Fechner. “Augmented Reality als Experimentierhilfe bei Beobachtung und Deutung.” In <i>Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?</i>, edited by Sebastian Habig, 41:613–16, 2021.","apa":"Peeters, H., Habig, S., &#38; Fechner, S. (2021). Augmented Reality als Experimentierhilfe bei Beobachtung und Deutung. In S. Habig (Ed.), <i>Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?</i> (Vol. 41, pp. 613–616).","ieee":"H. Peeters, S. Habig, and S. Fechner, “Augmented Reality als Experimentierhilfe bei Beobachtung und Deutung,” in <i>Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?</i>, 2021, vol. 41, pp. 613–616.","ama":"Peeters H, Habig S, Fechner S. Augmented Reality als Experimentierhilfe bei Beobachtung und Deutung. In: Habig S, ed. <i>Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?</i>. Vol 41. ; 2021:613-616.","bibtex":"@inproceedings{Peeters_Habig_Fechner_2021, title={Augmented Reality als Experimentierhilfe bei Beobachtung und Deutung}, volume={41}, booktitle={Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?}, author={Peeters, Hendrik and Habig, Sebastian and Fechner, Sabine}, editor={Habig, Sebastian}, year={2021}, pages={613–616} }","mla":"Peeters, Hendrik, et al. “Augmented Reality als Experimentierhilfe bei Beobachtung und Deutung.” <i>Naturwissenschaftlicher Unterricht und Lehrerbildung im Umbruch?</i>, edited by Sebastian Habig, vol. 41, 2021, pp. 613–16."},"page":"613-616","main_file_link":[{"open_access":"1","url":"https://www.gdcp-ev.de/wp-content/tb2021/TB2021_613_Peeters.pdf"}],"_id":"23758","language":[{"iso":"ger"}],"user_id":"54823","volume":41,"editor":[{"last_name":"Habig","first_name":"Sebastian","full_name":"Habig, Sebastian"}],"year":"2021","title":"Augmented Reality als Experimentierhilfe bei Beobachtung und Deutung","status":"public","author":[{"full_name":"Peeters, Hendrik","first_name":"Hendrik","last_name":"Peeters","orcid":"https://orcid.org/ 0000-0002-7143-3781","id":"49942"},{"full_name":"Habig, Sebastian","first_name":"Sebastian","last_name":"Habig"},{"id":"54823","full_name":"Fechner, Sabine","orcid":"0000-0001-5645-5870","first_name":"Sabine","last_name":"Fechner"}],"date_updated":"2025-12-11T13:39:13Z","intvolume":"        41"},{"user_id":"11829","doi":"10.17619/UNIPB/1-1264","_id":"6563","publisher":"Universität Paderborn","language":[{"iso":"ger"}],"page":"184","main_file_link":[{"open_access":"1","url":"https://digital.ub.uni-paderborn.de/urn/urn:nbn:de:hbz:466:2-40232"}],"date_updated":"2026-01-05T07:55:46Z","author":[{"full_name":"Feldmann, Nadine","first_name":"Nadine","last_name":"Feldmann","id":"23082"}],"title":"\t Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers","status":"public","year":"2021","department":[{"_id":"49"}],"oa":"1","type":"dissertation","date_created":"2019-01-09T14:37:11Z","project":[{"_id":"90","name":"ChaMP: Ein modellbasiertes Messverfahren zur Charakterisierung der frequenzabhängigen Materialeigenschaften von Piezokeramiken unter Verwendung eines einzelnen Probekörperindividuums"},{"_id":"245","name":"FOR 5208: Modellbasierte Bestimmung nichtlinearer Eigenschaften von Piezokeramiken für Leistungsschallanwendungen (NEPTUN)"}],"abstract":[{"text":"Designprozesse von Schallwandlern werden durch zunehmende Rechenkapazitäten immer mehr durch simulative Betrachtungen unterstützt. Dabei ist vor allem die Wahl der Materialparameter der verwendeten Materialien wichtig für ein realitätsnahes Simulationsergebnis. Bei Schallwandlern werden häufig Piezokeramiken als aktive Elemente genutzt, welche sich durch eine Verkopplung mechanischer und elektrischer Eigenschaften auszeichnen. Zur Bestimmung ihrer Materialparameter stellt der IEEE Standard on Piezoelectricity ein standardisiertes Verfahren dar. Dazu sind fünf Impedanzmessungen an vier unterschiedlich gefertigten Probekörpergeometrien notwendig. Da an jedem einzelnen Probekörper nur eine Untermenge aller notwendigen Materialparameter bestimmt werden kann, werden diese dann zu einem kompletten Materialparametersatz zusammengefügt. Aufgrund der unterschiedlichen Prozessbedingungen, bei denen die jeweiligen Probekörper hergestellt werden, ist dieser Materialparametersatz jedoch inkonsistent und kann nie das Verhalten einer einzelnen Probe beschreiben. Daher wird in der vorliegenden Arbeit ein Messverfahren entwickelt, mit dem es möglich ist, alle relevanten Materialparameter unter besonderer Berücksichtigung von Dämpfung an einem einzelnen Probekörper allein durch Impedanzmessungen zu bestimmen. Als Probekörper wird dazu eine in der Anwendung häufig verwendete Scheibengeometrie verwendet. Um eine hinreichend hohe Sensitivität auf alle Materialparameter zu gewährleisten, wird diese mit einer optimierten Elektrodentopologie gefertigt. Da in diesem Fall keine analytische Betrachtung mehr möglich ist, wird das Messverfahren durch einen inversen Ansatz realisiert.","lang":"ger"},{"lang":"eng","text":"Design processes of ultrasonic transducers become increasingly simulation-driven due to rising computational capabilities. Therewithin, the choice of the material parameters for modelling the materials used is particularly important for a realistic simulation result. Piezoceramics, which couple mechanic and electrical properties, are often used as active elements in ultrasonic transducers.The IEEE Standard on Piezoelectricity is a standardised procedure for determining these parameters that requires five impedance measurements on four piezocermics of different geometry. Since only a subset of all necessary material parameters can be determined for each individual specimen, these are then combined to form a complete set of material parameters. Due to different processing conditions for each specimen, this set of material parameters is inconsistent and cannot describe the behaviour of a single specimen appropriately. Therefore, in the present thesis, a method is developed with enables the determination of all relevant material parameters including damping on a single piezocermic by means of electrical impedance measurements alone. A piezoelectric ceramic with disc-shaped geometry, which is frequently used in applications, is used as a specimen.In order to ensure a sufficiently high sensitivity to all material parameters, it is manufactured with an optimised electrode topology. Because in this case analytical solutions, which relate the measurement quantities to the material parameters, do not exist, the measurement method is implemented using an inverse approach."}],"citation":{"apa":"Feldmann, N. (2021). <i>  Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers</i>. Universität Paderborn. <a href=\"https://doi.org/10.17619/UNIPB/1-1264\">https://doi.org/10.17619/UNIPB/1-1264</a>","ieee":"N. Feldmann, <i>  Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers</i>. Universität Paderborn, 2021.","chicago":"Feldmann, Nadine. <i>  Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers</i>. Universität Paderborn, 2021. <a href=\"https://doi.org/10.17619/UNIPB/1-1264\">https://doi.org/10.17619/UNIPB/1-1264</a>.","short":"N. Feldmann,   Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers, Universität Paderborn, 2021.","mla":"Feldmann, Nadine. <i>  Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers</i>. Universität Paderborn, 2021, doi:<a href=\"https://doi.org/10.17619/UNIPB/1-1264\">10.17619/UNIPB/1-1264</a>.","ama":"Feldmann N. <i>  Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers</i>. Universität Paderborn; 2021. doi:<a href=\"https://doi.org/10.17619/UNIPB/1-1264\">10.17619/UNIPB/1-1264</a>","bibtex":"@book{Feldmann_2021, title={  Ein modellbasiertes Messverfahren zur Charakterisierung von Piezokeramiken unter Verwendung eines einzelnen scheibenförmigen Probekörpers}, DOI={<a href=\"https://doi.org/10.17619/UNIPB/1-1264\">10.17619/UNIPB/1-1264</a>}, publisher={Universität Paderborn}, author={Feldmann, Nadine}, year={2021} }"},"supervisor":[{"full_name":"Henning, Bernd","last_name":"Henning","first_name":"Bernd","id":"213"},{"full_name":"Walther, Andrea","first_name":"Andrea","last_name":"Walther"}]}]