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Switching kinetics of ferroelastic ferroelectrics

Switching kinetics of ferroelastic ferroelectrics Switching kinetics of uniaxial ferroelastic ferroelectrics (FFs) in external electric and stress fields is studied using classical theory of nucleation and growth. The stage in which the polarization and deformation reversal involves the main body of the FF and the final stage (Ostwald ripening) of the FF switching are studied with allowance for the change in the repolarization and redeformation during the phase transition. The time dependences of the repolarization and redeformation are found, and equations are derived from which the polarization current and the deformation flux, as well as their time dependence, can be calculated. The calculated main characteristics of the FF switching are compared with the experimental data for switching of Rochelle salt single crystals. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physics of the Solid State Springer Journals

Switching kinetics of ferroelastic ferroelectrics

Kukushkin, S.; Zakharov, M.
Physics of the Solid State , Volume 44 (12) – Dec 1, 2002
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References (12)

Publisher
Springer Journals
Copyright
Copyright © 2002 by MAIK "Nauka/Interperiodica"
Subject
Physics; Solid State Physics and Spectroscopy
ISSN
1063-7834
eISSN
1090-6460
DOI
10.1134/1.1529928
Publisher site
See Article on Publisher Site

Abstract

Switching kinetics of uniaxial ferroelastic ferroelectrics (FFs) in external electric and stress fields is studied using classical theory of nucleation and growth. The stage in which the polarization and deformation reversal involves the main body of the FF and the final stage (Ostwald ripening) of the FF switching are studied with allowance for the change in the repolarization and redeformation during the phase transition. The time dependences of the repolarization and redeformation are found, and equations are derived from which the polarization current and the deformation flux, as well as their time dependence, can be calculated. The calculated main characteristics of the FF switching are compared with the experimental data for switching of Rochelle salt single crystals.

Journal

Physics of the Solid State – Springer Journals

Published: Dec 1, 2002

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