Khachaturyan, R. ; Schultheiß, Jan ; Koruza, Jurij ; Genenko, Yuri A. (2019)
Stochastic model of dispersive multi-step polarization switching in ferroelectrics due to spatial electric field distribution.
In: Applied Physics Letters, 114 (22)
doi: 10.1063/1.5099235
Artikel, Bibliographie
Kurzbeschreibung (Abstract)
A stochastic model for polarization switching in tetragonal ferroelectric ceramics is introduced, which includes sequential 90°- and parallel180°-switching processes and accounts for the dispersion of characteristic switching times due to a nonuniform spatial distribution of theapplied field. It presents merging of the recent multistep stochastic mechanism with the earlier nucleation limited switching and inhomoge-neous field mechanism models. The model provides a much better description of simultaneous polarization and strain responses over a widetime window and a deeper insight into the microscopic switching mechanisms, as is exemplarily shown by comparison with measurementson lead zirconate titanate.
| Typ des Eintrags: | Artikel |
|---|---|
| Erschienen: | 2019 |
| Autor(en): | Khachaturyan, R. ; Schultheiß, Jan ; Koruza, Jurij ; Genenko, Yuri A. |
| Art des Eintrags: | Bibliographie |
| Titel: | Stochastic model of dispersive multi-step polarization switching in ferroelectrics due to spatial electric field distribution |
| Sprache: | Englisch |
| Publikationsjahr: | 5 Juni 2019 |
| Verlag: | AIP Publishing |
| Titel der Zeitschrift, Zeitung oder Schriftenreihe: | Applied Physics Letters |
| Jahrgang/Volume einer Zeitschrift: | 114 |
| (Heft-)Nummer: | 22 |
| DOI: | 10.1063/1.5099235 |
| URL / URN: | https://aip.scitation.org/doi/10.1063/1.5099235 |
| Kurzbeschreibung (Abstract): | A stochastic model for polarization switching in tetragonal ferroelectric ceramics is introduced, which includes sequential 90°- and parallel180°-switching processes and accounts for the dispersion of characteristic switching times due to a nonuniform spatial distribution of theapplied field. It presents merging of the recent multistep stochastic mechanism with the earlier nucleation limited switching and inhomoge-neous field mechanism models. The model provides a much better description of simultaneous polarization and strain responses over a widetime window and a deeper insight into the microscopic switching mechanisms, as is exemplarily shown by comparison with measurementson lead zirconate titanate. |
| Fachbereich(e)/-gebiet(e): | 11 Fachbereich Material- und Geowissenschaften 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Materialmodellierung 11 Fachbereich Material- und Geowissenschaften > Materialwissenschaft > Fachgebiet Nichtmetallisch-Anorganische Werkstoffe |
| Hinterlegungsdatum: | 25 Sep 2019 05:30 |
| Letzte Änderung: | 10 Nov 2020 12:23 |
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