[{"title":"Power ultrasonic actuators with suddenly changing loads: How to control the amplitudes in resonance,  antiresonance, or in-between","conference":{"location":"Paderborn, Germany","end_date":"2025-09-25","start_date":"2025-09-21","name":"International Conference on Ultrasonics (ICU)"},"date_updated":"2026-04-02T12:45:42Z","author":[{"first_name":"Walter","last_name":"Littmann","full_name":"Littmann, Walter"},{"first_name":"Peter","full_name":"Bornmann, Peter","last_name":"Bornmann"},{"first_name":"Tobias","full_name":"Hemsel, Tobias","id":"210","last_name":"Hemsel"},{"first_name":"Claus","id":"38259","full_name":"Scheidemann, Claus","last_name":"Scheidemann"}],"date_created":"2026-03-02T11:19:46Z","year":"2025","citation":{"ama":"Littmann W, Bornmann P, Hemsel T, Scheidemann C. Power ultrasonic actuators with suddenly changing loads: How to control the amplitudes in resonance,  antiresonance, or in-between. In: ; 2025.","chicago":"Littmann, Walter, Peter Bornmann, Tobias Hemsel, and Claus Scheidemann. “Power Ultrasonic Actuators with Suddenly Changing Loads: How to Control the Amplitudes in Resonance,  Antiresonance, or in-Between,” 2025.","ieee":"W. Littmann, P. Bornmann, T. Hemsel, and C. Scheidemann, “Power ultrasonic actuators with suddenly changing loads: How to control the amplitudes in resonance,  antiresonance, or in-between,” presented at the International Conference on Ultrasonics (ICU), Paderborn, Germany, 2025.","apa":"Littmann, W., Bornmann, P., Hemsel, T., &#38; Scheidemann, C. (2025). <i>Power ultrasonic actuators with suddenly changing loads: How to control the amplitudes in resonance,  antiresonance, or in-between</i>. International Conference on Ultrasonics (ICU), Paderborn, Germany.","bibtex":"@inproceedings{Littmann_Bornmann_Hemsel_Scheidemann_2025, title={Power ultrasonic actuators with suddenly changing loads: How to control the amplitudes in resonance,  antiresonance, or in-between}, author={Littmann, Walter and Bornmann, Peter and Hemsel, Tobias and Scheidemann, Claus}, year={2025} }","short":"W. Littmann, P. Bornmann, T. Hemsel, C. Scheidemann, in: 2025.","mla":"Littmann, Walter, et al. <i>Power Ultrasonic Actuators with Suddenly Changing Loads: How to Control the Amplitudes in Resonance,  Antiresonance, or in-Between</i>. 2025."},"has_accepted_license":"1","ddc":["620"],"language":[{"iso":"eng"}],"file_date_updated":"2026-04-02T12:41:08Z","_id":"64802","user_id":"210","department":[{"_id":"151"}],"abstract":[{"text":"Power ultrasonic actuators are used in various industrial, automotive and medical applications. Examples are ultrasonic welding of plastics or metal, surgery processes like cutting of tissue or bone, and the excitation of cavitation in liquids for ultrasonic cleaning. From a physical point of view, many of these processes are characterised by non-constant damping conditions for the ultrasonic actuators, since the systems need to be driven in unloaded as well as in high-loaded states. To get high power output, the piezoelectric actuators are usually driven in or near resonance at precisely defined vibration amplitudes. This is a quite complicated task  especially if cost or mass optimized PZT transducers are used or if lead-free piezoelectric ceramics are applied to replace lead-containing materials. In particular the sudden change between loading states is very challenging for electronic excitation and control. The present contribution gives insight into typical problems that may arise in context with sudden load-changes during operation, e.g. uncontrolled jumps in voltage and velocity amplitudes. Measurements on ultrasonic power actuators being abruptly immersed into water at high amplitude are discussed for illustration. Observations during spontaneous load-changes are explained, and it is shown that several problems may be defused by driving the actuators in antiresonance or using a particular driving point in-between resonance and antiresonance (“falling edge control”). The different control strategies are investigated always using just one single hardware.","lang":"eng"}],"file":[{"creator":"hemsel","date_created":"2026-04-02T12:41:08Z","date_updated":"2026-04-02T12:41:08Z","access_level":"closed","file_id":"65353","file_name":"ICU_2025_Littmann.pdf","file_size":2522135,"content_type":"application/pdf","relation":"main_file","success":1}],"status":"public","type":"conference"},{"type":"book_editor","status":"public","editor":[{"full_name":"Droß-Krüpe, Kerstin","id":"125711","last_name":"Droß-Krüpe","first_name":"Kerstin"}],"series_title":"Oeconomica","user_id":"126800","_id":"65272","extern":"1","language":[{"iso":"ger"}],"publication_status":"published","citation":{"ama":"Droß-Krüpe K, ed. <i>(mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike</i>. Vol 2.; 2025.","ieee":"K. Droß-Krüpe, Ed., <i>(mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike</i>, vol. 2. Baden-Baden, 2025.","chicago":"Droß-Krüpe, Kerstin, ed. <i>(mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike</i>. Vol. 2. Oeconomica. Baden-Baden, 2025.","short":"K. Droß-Krüpe, ed., (mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike, Baden-Baden, 2025.","bibtex":"@book{Droß-Krüpe_2025, place={Baden-Baden}, series={Oeconomica}, title={(mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike}, volume={2}, year={2025}, collection={Oeconomica} }","mla":"Droß-Krüpe, Kerstin, editor. <i>(mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike</i>. 2025.","apa":"Droß-Krüpe, K. (Ed.). (2025). <i>(mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike</i> (Vol. 2)."},"intvolume":"         2","place":"Baden-Baden","year":"2025","date_created":"2026-04-01T10:18:15Z","volume":2,"date_updated":"2026-04-02T15:04:50Z","title":"(mit K. Ruffing) Von Gerste, Göttern, Geld und Gesetzen. Eine Kultur- und Wirtschaftsgeschichte von Bier in der Antike"},{"citation":{"apa":"Droß-Krüpe, K. (2025). Semiramis. In <i>The Oxford Classical Dictionary</i>.","bibtex":"@inbook{Droß-Krüpe_2025, place={Oxford}, title={Semiramis}, booktitle={The Oxford Classical Dictionary}, author={Droß-Krüpe, Kerstin}, year={2025} }","mla":"Droß-Krüpe, Kerstin. “Semiramis.” <i>The Oxford Classical Dictionary</i>, 2025.","short":"K. Droß-Krüpe, in: The Oxford Classical Dictionary, Oxford, 2025.","ama":"Droß-Krüpe K. Semiramis. In: <i>The Oxford Classical Dictionary</i>. ; 2025.","chicago":"Droß-Krüpe, Kerstin. “Semiramis.” In <i>The Oxford Classical Dictionary</i>. Oxford, 2025.","ieee":"K. Droß-Krüpe, “Semiramis,” in <i>The Oxford Classical Dictionary</i>, Oxford, 2025."},"year":"2025","place":"Oxford","publication_status":"published","main_file_link":[{"url":" https://doi.org/10.1093/acrefore/9780199381135.013.5805"}],"title":"Semiramis","date_created":"2026-04-02T09:58:37Z","author":[{"first_name":"Kerstin","last_name":"Droß-Krüpe","id":"125711","full_name":"Droß-Krüpe, Kerstin"}],"date_updated":"2026-04-02T15:05:21Z","status":"public","type":"encyclopedia_article","publication":"The Oxford Classical Dictionary","extern":"1","language":[{"iso":"eng"}],"user_id":"126800","_id":"65346"},{"status":"public","publication":"The Oxford Classical Dictionary","type":"encyclopedia_article","language":[{"iso":"eng"}],"extern":"1","user_id":"126800","_id":"65345","citation":{"ama":"Droß-Krüpe K. Sardanapalus. In: <i>The Oxford Classical Dictionary</i>. ; 2025.","ieee":"K. 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Degen (Ed.), <i>Das achaimenidisch-persische Imperium</i> (pp. 339–347)."},"page":"339-347","place":"Wiesbaden","year":"2025","author":[{"first_name":"Kerstin","last_name":"Droß-Krüpe","id":"125711","full_name":"Droß-Krüpe, Kerstin"}],"date_created":"2026-04-01T13:00:06Z","date_updated":"2026-04-02T15:28:21Z","title":"Frauenbilder und -rollen","type":"book_chapter","publication":"Das achaimenidisch-persische Imperium","status":"public","editor":[{"last_name":"Degen","full_name":"Degen, J.","first_name":"J."}],"series_title":"Springer Companions Geschichte","user_id":"125711","_id":"65288","language":[{"iso":"ger"}],"extern":"1"},{"publication_status":"published","quality_controlled":"1","citation":{"mla":"Droß-Krüpe, Kerstin. “Frauen als Gewalttäterinnen? Erste Überlegungen auf Basis von Petitionen aus dem griechisch-römischen Ägypten.” <i>Kriegerinnen im Altertum</i>, edited by J. Diemke-Horst and T. Mörtz, vol. 14, 2025, pp. 67–81.","bibtex":"@inbook{Droß-Krüpe_2025, place={Trier}, series={IPHIS. Beiträge zur altertumswissenschaftlichen Genderforschung}, title={Frauen als Gewalttäterinnen? Erste Überlegungen auf Basis von Petitionen aus dem griechisch-römischen Ägypten}, volume={14}, booktitle={Kriegerinnen im Altertum}, author={Droß-Krüpe, Kerstin}, editor={Diemke-Horst, J. and Mörtz, T.}, year={2025}, pages={67–81}, collection={IPHIS. Beiträge zur altertumswissenschaftlichen Genderforschung} }","short":"K. Droß-Krüpe, in: J. Diemke-Horst, T. Mörtz (Eds.), Kriegerinnen im Altertum, Trier, 2025, pp. 67–81.","apa":"Droß-Krüpe, K. (2025). Frauen als Gewalttäterinnen? Erste Überlegungen auf Basis von Petitionen aus dem griechisch-römischen Ägypten. In J. Diemke-Horst &#38; T. Mörtz (Eds.), <i>Kriegerinnen im Altertum</i> (Vol. 14, pp. 67–81).","ama":"Droß-Krüpe K. Frauen als Gewalttäterinnen? Erste Überlegungen auf Basis von Petitionen aus dem griechisch-römischen Ägypten. In: Diemke-Horst J, Mörtz T, eds. <i>Kriegerinnen im Altertum</i>. Vol 14. IPHIS. Beiträge zur altertumswissenschaftlichen Genderforschung. ; 2025:67-81.","ieee":"K. Droß-Krüpe, “Frauen als Gewalttäterinnen? Erste Überlegungen auf Basis von Petitionen aus dem griechisch-römischen Ägypten,” in <i>Kriegerinnen im Altertum</i>, vol. 14, J. Diemke-Horst and T. Mörtz, Eds. Trier, 2025, pp. 67–81.","chicago":"Droß-Krüpe, Kerstin. “Frauen als Gewalttäterinnen? Erste Überlegungen auf Basis von Petitionen aus dem griechisch-römischen Ägypten.” In <i>Kriegerinnen im Altertum</i>, edited by J. Diemke-Horst and T. Mörtz, 14:67–81. IPHIS. Beiträge zur altertumswissenschaftlichen Genderforschung. Trier, 2025."},"intvolume":"        14","page":"67-81","place":"Trier","year":"2025","date_created":"2026-04-01T12:57:23Z","author":[{"last_name":"Droß-Krüpe","full_name":"Droß-Krüpe, Kerstin","id":"125711","first_name":"Kerstin"}],"volume":14,"date_updated":"2026-04-02T15:41:30Z","title":"Frauen als Gewalttäterinnen? Erste Überlegungen auf Basis von Petitionen aus dem griechisch-römischen Ägypten","type":"book_chapter","publication":"Kriegerinnen im Altertum","status":"public","editor":[{"last_name":"Diemke-Horst","full_name":"Diemke-Horst, J.","first_name":"J."},{"first_name":"T.","last_name":"Mörtz","full_name":"Mörtz, T."}],"series_title":"IPHIS. 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Wiesbaden, 2025, pp. 375–381.","bibtex":"@inbook{Droß-Krüpe_2025, place={Wiesbaden}, series={Springer Companions Geschichte}, title={Atossa}, booktitle={Das achaimenidisch-persische Imperium}, author={Droß-Krüpe, Kerstin}, editor={Degen, J.}, year={2025}, pages={375–381}, collection={Springer Companions Geschichte} }","short":"K. Droß-Krüpe, in: J. Degen (Ed.), Das achaimenidisch-persische Imperium, Wiesbaden, 2025, pp. 375–381.","mla":"Droß-Krüpe, Kerstin. “Atossa.” <i>Das achaimenidisch-persische Imperium</i>, edited by J. Degen, 2025, pp. 375–81.","ama":"Droß-Krüpe K. Atossa. In: Degen J, ed. <i>Das achaimenidisch-persische Imperium</i>. Springer Companions Geschichte. ; 2025:375-381.","apa":"Droß-Krüpe, K. (2025). Atossa. In J. Degen (Ed.), <i>Das achaimenidisch-persische Imperium</i> (pp. 375–381)."},"quality_controlled":"1","publication_status":"published","title":"Atossa","date_updated":"2026-04-02T15:41:07Z","date_created":"2026-04-01T13:02:27Z","author":[{"first_name":"Kerstin","id":"125711","full_name":"Droß-Krüpe, Kerstin","last_name":"Droß-Krüpe"}]},{"citation":{"chicago":"Fuchs, Christian. “What Is Digital Fascism? .” <i>St. Anthony’s International Review</i> 20, no. 1 (2025): 26–39. <a href=\"https://doi.org/10.82556/stair.v20i1.550\">https://doi.org/10.82556/stair.v20i1.550</a>.","ieee":"C. Fuchs, “What is Digital Fascism? ,” <i>St. Anthony’s International Review</i>, vol. 20, no. 1, pp. 26–39, 2025, doi: <a href=\"https://doi.org/10.82556/stair.v20i1.550\">10.82556/stair.v20i1.550</a>.","ama":"Fuchs C. What is Digital Fascism? . <i>St Anthony’s International Review</i>. 2025;20(1):26-39. doi:<a href=\"https://doi.org/10.82556/stair.v20i1.550\">10.82556/stair.v20i1.550</a>","bibtex":"@article{Fuchs_2025, title={What is Digital Fascism? }, volume={20}, DOI={<a href=\"https://doi.org/10.82556/stair.v20i1.550\">10.82556/stair.v20i1.550</a>}, number={1}, journal={St. Anthony’s International Review}, author={Fuchs, Christian}, year={2025}, pages={26–39} }","short":"C. Fuchs, St. Anthony’s International Review 20 (2025) 26–39.","mla":"Fuchs, Christian. “What Is Digital Fascism? .” <i>St. Anthony’s International Review</i>, vol. 20, no. 1, 2025, pp. 26–39, doi:<a href=\"https://doi.org/10.82556/stair.v20i1.550\">10.82556/stair.v20i1.550</a>.","apa":"Fuchs, C. (2025). What is Digital Fascism? . <i>St. Anthony’s International Review</i>, <i>20</i>(1), 26–39. <a href=\"https://doi.org/10.82556/stair.v20i1.550\">https://doi.org/10.82556/stair.v20i1.550</a>"},"intvolume":"        20","page":"26-39","year":"2025","issue":"1","doi":"10.82556/stair.v20i1.550","title":"What is Digital Fascism? 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La construcción de estereotipos de género en la recepción del mundo antiguo","date_updated":"2026-04-02T15:48:28Z","date_created":"2026-04-01T10:32:37Z","volume":"32/1","year":"2025","citation":{"bibtex":"@book{Droß-Krüpe_Garcia Ventura_2025, title={Pasados presentes. La construcción de estereotipos de género en la recepción del mundo antiguo}, volume={32/1}, journal={Arenal. Revista de historia de las mujeres}, year={2025}, pages={7–124} }","short":"K. Droß-Krüpe, A. Garcia Ventura, eds., Pasados Presentes. La Construcción de Estereotipos de Género En La Recepción Del Mundo Antiguo, 2025.","mla":"Droß-Krüpe, Kerstin, and Agnès Garcia Ventura, editors. “Pasados Presentes. La Construcción de Estereotipos de Género En La Recepción Del Mundo Antiguo.” <i>Arenal. Revista de Historia de Las Mujeres</i>, vol. 32/1, 2025, pp. 7–124.","apa":"Pasados presentes. La construcción de estereotipos de género en la recepción del mundo antiguo. (2025). In K. Droß-Krüpe &#38; A. 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Perspektiven aus Forschung, Praxis und Lehre","editor":[{"first_name":"Constanze","full_name":"Struck, Constanze","last_name":"Struck"},{"first_name":"Saskia","full_name":"Warburg, Saskia","last_name":"Warburg"}],"status":"public","publisher":"Verlag Barbara Budrich","date_updated":"2026-04-07T07:41:16Z","author":[{"id":"13796","full_name":"Diederich, Julia","last_name":"Diederich","first_name":"Julia"},{"first_name":"Lena Maria","id":"47572","full_name":"Magdeburg, Lena Maria","last_name":"Magdeburg"}],"date_created":"2025-07-14T14:14:16Z","title":"Sexuelle Bildung und (außer-)schulische Bildungspartner","quality_controlled":"1","year":"2025","citation":{"ieee":"J. Diederich and L. M. Magdeburg, “Sexuelle Bildung und (außer-)schulische Bildungspartner,” in <i>Sexuelle Bildung in der Grundschule und der universitären Lehrer*innenausbildung. Perspektiven aus Forschung, Praxis und Lehre</i>, C. Struck and S. Warburg, Eds. Verlag Barbara Budrich, 2025, pp. 57–66.","chicago":"Diederich, Julia, and Lena Maria Magdeburg. “Sexuelle Bildung und (außer-)schulische Bildungspartner.” In <i>Sexuelle Bildung in der Grundschule und der universitären Lehrer*innenausbildung. Perspektiven aus Forschung, Praxis und Lehre</i>, edited by Constanze Struck and Saskia Warburg, 57–66. Verlag Barbara Budrich, 2025.","ama":"Diederich J, Magdeburg LM. Sexuelle Bildung und (außer-)schulische Bildungspartner. In: Struck C, Warburg S, eds. <i>Sexuelle Bildung in der Grundschule und der universitären Lehrer*innenausbildung. Perspektiven aus Forschung, Praxis und Lehre</i>. Verlag Barbara Budrich; 2025:57-66.","bibtex":"@inbook{Diederich_Magdeburg_2025, title={Sexuelle Bildung und (außer-)schulische Bildungspartner}, booktitle={Sexuelle Bildung in der Grundschule und der universitären Lehrer*innenausbildung. Perspektiven aus Forschung, Praxis und Lehre}, publisher={Verlag Barbara Budrich}, author={Diederich, Julia and Magdeburg, Lena Maria}, editor={Struck, Constanze and Warburg, Saskia}, year={2025}, pages={57–66} }","short":"J. Diederich, L.M. Magdeburg, in: C. Struck, S. Warburg (Eds.), Sexuelle Bildung in der Grundschule und der universitären Lehrer*innenausbildung. Perspektiven aus Forschung, Praxis und Lehre, Verlag Barbara Budrich, 2025, pp. 57–66.","mla":"Diederich, Julia, and Lena Maria Magdeburg. “Sexuelle Bildung und (außer-)schulische Bildungspartner.” <i>Sexuelle Bildung in der Grundschule und der universitären Lehrer*innenausbildung. Perspektiven aus Forschung, Praxis und Lehre</i>, edited by Constanze Struck and Saskia Warburg, Verlag Barbara Budrich, 2025, pp. 57–66.","apa":"Diederich, J., &#38; Magdeburg, L. M. (2025). Sexuelle Bildung und (außer-)schulische Bildungspartner. In C. Struck &#38; S. Warburg (Eds.), <i>Sexuelle Bildung in der Grundschule und der universitären Lehrer*innenausbildung. Perspektiven aus Forschung, Praxis und Lehre</i> (pp. 57–66). Verlag Barbara Budrich."},"page":"57-66"},{"date_created":"2026-03-30T11:00:23Z","author":[{"first_name":"Gunter","id":"291","full_name":"Kullmer, Gunter","last_name":"Kullmer"},{"last_name":"Weiß","full_name":"Weiß, Deborah","id":"45673","first_name":"Deborah"},{"id":"41322","full_name":"Duffe, Tobias","last_name":"Duffe","first_name":"Tobias"},{"full_name":"Schramm, Britta","id":"4668","last_name":"Schramm","first_name":"Britta"},{"id":"106876","full_name":"Ostwald, Richard","orcid":"0000-0003-2147-8444","last_name":"Ostwald","first_name":"Richard"}],"date_updated":"2026-04-07T04:35:27Z","publisher":"LibreCat University","doi":"https://doi.org/10.48447/BR-2025-492","title":"BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ","citation":{"ama":"Kullmer G, Weiß D, Duffe T, Schramm B, Ostwald R. <i>BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ</i>. LibreCat University; 2025. doi:<a href=\"https://doi.org/10.48447/BR-2025-492\">https://doi.org/10.48447/BR-2025-492</a>","ieee":"G. Kullmer, D. Weiß, T. Duffe, B. Schramm, and R. Ostwald, <i>BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ</i>. LibreCat University, 2025.","chicago":"Kullmer, Gunter, Deborah Weiß, Tobias Duffe, Britta Schramm, and Richard Ostwald. <i>BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ</i>. LibreCat University, 2025. <a href=\"https://doi.org/10.48447/BR-2025-492\">https://doi.org/10.48447/BR-2025-492</a>.","short":"G. Kullmer, D. Weiß, T. Duffe, B. Schramm, R. Ostwald, BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ, LibreCat University, 2025.","bibtex":"@book{Kullmer_Weiß_Duffe_Schramm_Ostwald_2025, title={BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ}, DOI={<a href=\"https://doi.org/10.48447/BR-2025-492\">https://doi.org/10.48447/BR-2025-492</a>}, publisher={LibreCat University}, author={Kullmer, Gunter and Weiß, Deborah and Duffe, Tobias and Schramm, Britta and Ostwald, Richard}, year={2025} }","mla":"Kullmer, Gunter, et al. <i>BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ</i>. LibreCat University, 2025, doi:<a href=\"https://doi.org/10.48447/BR-2025-492\">https://doi.org/10.48447/BR-2025-492</a>.","apa":"Kullmer, G., Weiß, D., Duffe, T., Schramm, B., &#38; Ostwald, R. (2025). <i>BESCHREIBUNG DES R- UND DES TEMPERATUREINFLUSSES SOWIE DES EINLAUFVERHALTENS BEI EXPERIMENTELL BESTIMMTEN RISSFORTSCHRITTSKURVEN MIT DEM EXPONENTIALANSATZ</i>. LibreCat University. <a href=\"https://doi.org/10.48447/BR-2025-492\">https://doi.org/10.48447/BR-2025-492</a>"},"year":"2025","user_id":"85414","department":[{"_id":"9"},{"_id":"143"}],"_id":"65221","type":"research_data","status":"public"},{"conference":{"location":"TU Dresden","end_date":"2019.11.09","start_date":"2019.11.07","name":"Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache"},"doi":"10.17875/gup2025-3002","main_file_link":[{"url":"https://univerlag.uni-goettingen.de/bitstream/handle/3/isbn-978-3-86395-667-7/MatDaf112_textualitaet_mitLesez.pdf?sequence=1&isAllowed=y"}],"title":"„Und ich hab’ euch jetzt mal ottos mops auf Englisch mitgebracht“ - Gedanken zu sprachlichen Ordnungen im ‚mehrsprachigen Literaturunterricht‘","volume":112,"author":[{"first_name":"Denise","full_name":"Büttner, Denise","id":"100819","last_name":"Büttner"}],"date_created":"2026-03-19T15:07:05Z","date_updated":"2026-04-07T12:31:16Z","publisher":"Göttingen University Press","intvolume":"       112","citation":{"ieee":"D. Büttner, “„Und ich hab’ euch jetzt mal ottos mops auf Englisch mitgebracht“ - Gedanken zu sprachlichen Ordnungen im ‚mehrsprachigen Literaturunterricht‘,” in <i> Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven </i>, vol. 112, M. Dobstadt, Ed. Göttingen: Göttingen University Press, 2025.","chicago":"Büttner, Denise. “„Und ich hab’ euch jetzt mal ottos mops auf Englisch mitgebracht“ - Gedanken zu sprachlichen Ordnungen im ‚mehrsprachigen Literaturunterricht‘.” In <i> Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven </i>, edited by Michael Dobstadt, Vol. 112. Materialen und Studien Deutsch als Fremd- und Zweitsprache - MatDaF. Göttingen: Göttingen University Press, 2025. <a href=\"https://doi.org/10.17875/gup2025-3002\">https://doi.org/10.17875/gup2025-3002</a>.","ama":"Büttner D. „Und ich hab’ euch jetzt mal ottos mops auf Englisch mitgebracht“ - Gedanken zu sprachlichen Ordnungen im ‚mehrsprachigen Literaturunterricht‘. In: Dobstadt M, ed. <i> Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven </i>. Vol 112. Materialen und Studien Deutsch als Fremd- und Zweitsprache - MatDaF. Göttingen University Press; 2025. doi:<a href=\"https://doi.org/10.17875/gup2025-3002\">10.17875/gup2025-3002</a>","apa":"Büttner, D. (2025). „Und ich hab’ euch jetzt mal ottos mops auf Englisch mitgebracht“ - Gedanken zu sprachlichen Ordnungen im ‚mehrsprachigen Literaturunterricht‘. In M. Dobstadt (Ed.), <i> Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven </i> (Vol. 112). Göttingen University Press. <a href=\"https://doi.org/10.17875/gup2025-3002\">https://doi.org/10.17875/gup2025-3002</a>","short":"D. Büttner, in: M. Dobstadt (Ed.),  Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven , Göttingen University Press, Göttingen, 2025.","bibtex":"@inbook{Büttner_2025, place={Göttingen}, series={Materialen und Studien Deutsch als Fremd- und Zweitsprache - MatDaF}, title={„Und ich hab’ euch jetzt mal ottos mops auf Englisch mitgebracht“ - Gedanken zu sprachlichen Ordnungen im ‚mehrsprachigen Literaturunterricht‘}, volume={112}, DOI={<a href=\"https://doi.org/10.17875/gup2025-3002\">10.17875/gup2025-3002</a>}, booktitle={ Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven }, publisher={Göttingen University Press}, author={Büttner, Denise}, editor={Dobstadt, Michael}, year={2025}, collection={Materialen und Studien Deutsch als Fremd- und Zweitsprache - MatDaF} }","mla":"Büttner, Denise. “„Und ich hab’ euch jetzt mal ottos mops auf Englisch mitgebracht“ - Gedanken zu sprachlichen Ordnungen im ‚mehrsprachigen Literaturunterricht‘.” <i> Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven </i>, edited by Michael Dobstadt, vol. 112, Göttingen University Press, 2025, doi:<a href=\"https://doi.org/10.17875/gup2025-3002\">10.17875/gup2025-3002</a>."},"place":"Göttingen","year":"2025","publication_identifier":{"issn":["2751-5818"],"isbn":["9783863956677"]},"publication_status":"published","language":[{"iso":"ger"}],"series_title":"Materialen und Studien Deutsch als Fremd- und Zweitsprache - MatDaF","user_id":"100819","_id":"65068","status":"public","editor":[{"full_name":"Dobstadt, Michael","last_name":"Dobstadt","first_name":"Michael"}],"publication":" Literarische Textualität und ästhetische Medialität in Deutsch als Zweitsprache (DaZ). Spannungsfelder – Potenziale – Perspektiven ","type":"book_chapter"},{"type":"journal_article","publication":"Journal of Service Management Research","abstract":[{"text":"The increasing number of multi-unit hosts in peer-to-peer platforms such as Airbnb poses a significant challenge to single-unit hosts, who compete in a highly professionalized market where host-guest interactions have become increasingly anonymous. However, anonymity may undermine trust and affect eWOM, crucial elements for the performance of peer-to-peer platforms, as they heavily rely on mutual trust and positive eWOM to succeed. This study investigated the effects of the presence of hosts’ personal decorations and a local welcome gift on eWOM. Perceived anonymity and trust emerge as mediating mechanisms, such that the presence of personal decorations reduced the guest’s perception of anonymity towards the host, which subsequently increased guest’s trust and their intention to spread positive eWOM. The local welcome gift did not show any significant effects. These insights contribute to servicescape research and offer practical implications for single-unit hosts to differentiate their service experience from that of professional hosts.","lang":"eng"}],"status":"public","_id":"65268","user_id":"103813","language":[{"iso":"eng"}],"publication_status":"published","publication_identifier":{"issn":["2511-8676"]},"issue":"1","year":"2025","citation":{"chicago":"Kring-Ozuna, Edna. “First Impressions Matter: Shaping the Servicescape to Address Anonymity and Trust in Peer-to-Peer Sharing Economy Services.” <i>Journal of Service Management Research</i> 9, no. 1 (2025): 2–18. <a href=\"https://doi.org/10.5771/2511-8676-2025-1-2\">https://doi.org/10.5771/2511-8676-2025-1-2</a>.","ieee":"E. Kring-Ozuna, “First impressions matter: Shaping the servicescape to address anonymity and trust in peer-to-peer sharing economy services,” <i>Journal of Service Management Research</i>, vol. 9, no. 1, pp. 2–18, 2025, doi: <a href=\"https://doi.org/10.5771/2511-8676-2025-1-2\">10.5771/2511-8676-2025-1-2</a>.","ama":"Kring-Ozuna E. First impressions matter: Shaping the servicescape to address anonymity and trust in peer-to-peer sharing economy services. <i>Journal of Service Management Research</i>. 2025;9(1):2-18. doi:<a href=\"https://doi.org/10.5771/2511-8676-2025-1-2\">10.5771/2511-8676-2025-1-2</a>","apa":"Kring-Ozuna, E. (2025). First impressions matter: Shaping the servicescape to address anonymity and trust in peer-to-peer sharing economy services. <i>Journal of Service Management Research</i>, <i>9</i>(1), 2–18. <a href=\"https://doi.org/10.5771/2511-8676-2025-1-2\">https://doi.org/10.5771/2511-8676-2025-1-2</a>","short":"E. Kring-Ozuna, Journal of Service Management Research 9 (2025) 2–18.","bibtex":"@article{Kring-Ozuna_2025, title={First impressions matter: Shaping the servicescape to address anonymity and trust in peer-to-peer sharing economy services}, volume={9}, DOI={<a href=\"https://doi.org/10.5771/2511-8676-2025-1-2\">10.5771/2511-8676-2025-1-2</a>}, number={1}, journal={Journal of Service Management Research}, publisher={Nomos Verlag}, author={Kring-Ozuna, Edna}, year={2025}, pages={2–18} }","mla":"Kring-Ozuna, Edna. “First Impressions Matter: Shaping the Servicescape to Address Anonymity and Trust in Peer-to-Peer Sharing Economy Services.” <i>Journal of Service Management Research</i>, vol. 9, no. 1, Nomos Verlag, 2025, pp. 2–18, doi:<a href=\"https://doi.org/10.5771/2511-8676-2025-1-2\">10.5771/2511-8676-2025-1-2</a>."},"page":"2-18","intvolume":"         9","publisher":"Nomos Verlag","date_updated":"2026-04-07T12:43:01Z","author":[{"first_name":"Edna","last_name":"Kring-Ozuna","id":"103813","full_name":"Kring-Ozuna, Edna"}],"date_created":"2026-04-01T07:16:15Z","volume":9,"title":"First impressions matter: Shaping the servicescape to address anonymity and trust in peer-to-peer sharing economy services","doi":"10.5771/2511-8676-2025-1-2"},{"type":"encyclopedia_article","publication":"The Elgar International Encyclopedia of Sociology of Education","status":"public","editor":[{"first_name":"Ravinder","full_name":"Sidhu, Ravinder","last_name":"Sidhu"},{"first_name":"Johanna","full_name":"Waters, Johanna","last_name":"Waters"},{"last_name":"Cheng","full_name":"Cheng, Yi'En","first_name":"Yi'En"}],"user_id":"114557","department":[{"_id":"175"}],"_id":"61867","language":[{"iso":"eng"}],"publication_status":"published","citation":{"apa":"Rohde, N. (2025). The Meritocratic Ideal and its Challenges. In R. Sidhu, J. Waters, &#38; Y. Cheng (Eds.), <i>The Elgar International Encyclopedia of Sociology of Education</i> (pp. 205–208). Edward Elgar Publishing . <a href=\"https://doi.org/10.4337/9781035315673.00058\">https://doi.org/10.4337/9781035315673.00058</a>","short":"N. Rohde, in: R. Sidhu, J. Waters, Y. Cheng (Eds.), The Elgar International Encyclopedia of Sociology of Education, Edward Elgar Publishing , Cheltenham, 2025, pp. 205–208.","bibtex":"@inbook{Rohde_2025, place={Cheltenham}, title={The Meritocratic Ideal and its Challenges}, DOI={<a href=\"https://doi.org/10.4337/9781035315673.00058\">https://doi.org/10.4337/9781035315673.00058</a>}, booktitle={The Elgar International Encyclopedia of Sociology of Education}, publisher={Edward Elgar Publishing }, author={Rohde, Noëlle}, editor={Sidhu, Ravinder and Waters, Johanna and Cheng, Yi’En}, year={2025}, pages={205–208} }","mla":"Rohde, Noëlle. “The Meritocratic Ideal and Its Challenges.” <i>The Elgar International Encyclopedia of Sociology of Education</i>, edited by Ravinder Sidhu et al., Edward Elgar Publishing , 2025, pp. 205–08, doi:<a href=\"https://doi.org/10.4337/9781035315673.00058\">https://doi.org/10.4337/9781035315673.00058</a>.","ama":"Rohde N. The Meritocratic Ideal and its Challenges. In: Sidhu R, Waters J, Cheng Y, eds. <i>The Elgar International Encyclopedia of Sociology of Education</i>. Edward Elgar Publishing ; 2025:205-208. doi:<a href=\"https://doi.org/10.4337/9781035315673.00058\">https://doi.org/10.4337/9781035315673.00058</a>","chicago":"Rohde, Noëlle. “The Meritocratic Ideal and Its Challenges.” In <i>The Elgar International Encyclopedia of Sociology of Education</i>, edited by Ravinder Sidhu, Johanna Waters, and Yi’En Cheng, 205–8. Cheltenham: Edward Elgar Publishing , 2025. <a href=\"https://doi.org/10.4337/9781035315673.00058\">https://doi.org/10.4337/9781035315673.00058</a>.","ieee":"N. Rohde, “The Meritocratic Ideal and its Challenges,” in <i>The Elgar International Encyclopedia of Sociology of Education</i>, R. Sidhu, J. Waters, and Y. Cheng, Eds. Cheltenham: Edward Elgar Publishing , 2025, pp. 205–208."},"page":"205-208","year":"2025","place":"Cheltenham","date_created":"2025-10-16T14:43:17Z","author":[{"id":"114557","full_name":"Rohde, Noëlle","orcid":"https://orcid.org/0000-0001-8703-8738","last_name":"Rohde","first_name":"Noëlle"}],"date_updated":"2026-04-08T09:35:52Z","publisher":"Edward Elgar Publishing ","doi":"https://doi.org/10.4337/9781035315673.00058","title":"The Meritocratic Ideal and its Challenges"},{"date_updated":"2026-04-08T08:51:39Z","date_created":"2025-07-03T07:17:54Z","author":[{"last_name":"Nellius","full_name":"Nellius, Tom","first_name":"Tom"},{"first_name":"Kevin","id":"56918","full_name":"Henne, Kevin","last_name":"Henne"},{"first_name":"Maximilian","full_name":"Hartinger, Maximilian","last_name":"Hartinger"},{"first_name":"Lars","id":"24769","full_name":"Meihost, Lars","last_name":"Meihost"},{"id":"38123","full_name":"Hetkämper, Tim","last_name":"Hetkämper","first_name":"Tim"},{"first_name":"Henning","id":"32580","full_name":"Zeipert, Henning","last_name":"Zeipert"},{"first_name":"Leander","orcid":"0000-0002-4393-268X","last_name":"Claes","id":"11829","full_name":"Claes, Leander"},{"first_name":"Bernd","id":"213","full_name":"Henning, Bernd","last_name":"Henning"}],"title":"Ultrasonic phased array interface using programmable I/O and microprocessor clock synchronisation","doi":" 10.5162/SMSI2025/A5.4","conference":{"start_date":"2025-05-06","name":"SMSI 2025","location":"Nürnberg","end_date":"2025-05-08"},"year":"2025","citation":{"mla":"Nellius, Tom, et al. <i>Ultrasonic Phased Array Interface Using Programmable I/O and Microprocessor Clock Synchronisation</i>. 2025, doi:<a href=\"https://doi.org/ 10.5162/SMSI2025/A5.4\"> 10.5162/SMSI2025/A5.4</a>.","short":"T. Nellius, K. Henne, M. Hartinger, L. Meihost, T. Hetkämper, H. Zeipert, L. Claes, B. Henning, in: 2025.","bibtex":"@inproceedings{Nellius_Henne_Hartinger_Meihost_Hetkämper_Zeipert_Claes_Henning_2025, title={Ultrasonic phased array interface using programmable I/O and microprocessor clock synchronisation}, DOI={<a href=\"https://doi.org/ 10.5162/SMSI2025/A5.4\"> 10.5162/SMSI2025/A5.4</a>}, author={Nellius, Tom and Henne, Kevin and Hartinger, Maximilian and Meihost, Lars and Hetkämper, Tim and Zeipert, Henning and Claes, Leander and Henning, Bernd}, year={2025} }","apa":"Nellius, T., Henne, K., Hartinger, M., Meihost, L., Hetkämper, T., Zeipert, H., Claes, L., &#38; Henning, B. (2025). <i>Ultrasonic phased array interface using programmable I/O and microprocessor clock synchronisation</i>. SMSI 2025, Nürnberg. <a href=\"https://doi.org/ 10.5162/SMSI2025/A5.4\">https://doi.org/ 10.5162/SMSI2025/A5.4</a>","ama":"Nellius T, Henne K, Hartinger M, et al. Ultrasonic phased array interface using programmable I/O and microprocessor clock synchronisation. In: ; 2025. doi:<a href=\"https://doi.org/ 10.5162/SMSI2025/A5.4\"> 10.5162/SMSI2025/A5.4</a>","ieee":"T. Nellius <i>et al.</i>, “Ultrasonic phased array interface using programmable I/O and microprocessor clock synchronisation,” presented at the SMSI 2025, Nürnberg, 2025, doi: <a href=\"https://doi.org/ 10.5162/SMSI2025/A5.4\"> 10.5162/SMSI2025/A5.4</a>.","chicago":"Nellius, Tom, Kevin Henne, Maximilian Hartinger, Lars Meihost, Tim Hetkämper, Henning Zeipert, Leander Claes, and Bernd Henning. “Ultrasonic Phased Array Interface Using Programmable I/O and Microprocessor Clock Synchronisation,” 2025. <a href=\"https://doi.org/ 10.5162/SMSI2025/A5.4\">https://doi.org/ 10.5162/SMSI2025/A5.4</a>."},"_id":"60504","user_id":"11829","department":[{"_id":"49"}],"language":[{"iso":"eng"}],"type":"conference","status":"public"},{"language":[{"iso":"ger"}],"user_id":"115848","department":[{"_id":"186"},{"_id":"275"}],"_id":"65379","status":"public","abstract":[{"text":"Diese Studie analysiert die ESEF-Berichterstattung in Deutschland seit der Einführung der iXBRL-basierten Berichtspflicht durch die ESMA im Jahr 2020. Anhand einer Stichprobe von 610 kapitalmarktorientierten Unternehmen der Frankfurter Börse im Zeitraum 2020-2023 wird gezeigt, dass 60,5% der Jahresabschlüsse die ESEF-Anforderungen vollständig erfüllen. Größere Unternehmen haben höhere Konformitätsraten als FSE-Scale und ausländische Unternehmen. Die Untersuchung der Taxonomie-Erweiterungen verdeutlicht, dass größere Unternehmen eher Erweiterungs-Tags nutzen, was mit Theorien freiwilliger Offenlegung übereinstimmt. Die verpflichtende Einführung des Anhang-Taggings im Jahr 2022 führte zu einer erhöhten Tagging-Granularität und verbesserter Offenlegungsqualität. Die Ergebnisse verdeutlichen Herausforderungen bei der ESEF-Umsetzung, wie Zugangsbarrieren und inkonsistente Durchsetzung, und geben Einblicke in unternehmensspezifische Offenlegungspraktiken im Kontext strukturierter Berichterstattung.","lang":"ger"}],"type":"working_paper","doi":"KORKOR1476665","title":"ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen","author":[{"full_name":"Hofmann, Philipp","last_name":"Hofmann","first_name":"Philipp"},{"last_name":"Sievers","id":"46447","full_name":"Sievers, Sönke","first_name":"Sönke"},{"last_name":"Li","full_name":"Li, Reeyarn","id":"102450","first_name":"Reeyarn"}],"date_created":"2026-04-08T10:01:11Z","volume":"Heft 7-8/2025","date_updated":"2026-04-08T10:02:30Z","publisher":"KoR","citation":{"ieee":"P. Hofmann, S. Sievers, and R. Li, <i>ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen</i>, vol. Heft 7-8/2025. KoR, 2025, pp. 251–258.","chicago":"Hofmann, Philipp, Sönke Sievers, and Reeyarn Li. <i>ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen</i>. Vol. Heft 7-8/2025. KoR, 2025. <a href=\"https://doi.org/KORKOR1476665\">https://doi.org/KORKOR1476665</a>.","ama":"Hofmann P, Sievers S, Li R. <i>ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen</i>. Vol Heft 7-8/2025. KoR; 2025:251-258. doi:<a href=\"https://doi.org/KORKOR1476665\">KORKOR1476665</a>","apa":"Hofmann, P., Sievers, S., &#38; Li, R. (2025). <i>ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen: Vol. Heft 7-8/2025</i> (pp. 251–258). KoR. <a href=\"https://doi.org/KORKOR1476665\">https://doi.org/KORKOR1476665</a>","bibtex":"@book{Hofmann_Sievers_Li_2025, title={ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen}, volume={Heft 7-8/2025}, DOI={<a href=\"https://doi.org/KORKOR1476665\">KORKOR1476665</a>}, publisher={KoR}, author={Hofmann, Philipp and Sievers, Sönke and Li, Reeyarn}, year={2025}, pages={251–258} }","short":"P. Hofmann, S. Sievers, R. Li, ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen, KoR, 2025.","mla":"Hofmann, Philipp, et al. <i>ESEF-Berichterstattung in Deutschland: Herausforderungen und Chancen</i>. 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