Fatigue effect in stoichiometric LiTaO 3 crystals produced by vapor transport equilibration / Shur V.Y., Akhmatkhanov A.R., Baturin I.S. // Ferroelectrics. - 2012. - V. 426, l. 1. - P. 142-151.

ISSN:
00150193
Type:
Article
Abstract:
The fatigue effect has been studied experimentally in stoichiometric lithium tantalate single crystals produced by vapor transport equilibration with solid-state electrodes. It was shown that fatigue effect is due to increase of the frozen domain area composed of domains with charged domain walls (CDW). The formation of CDW: 1) hampers the domain kinetics by wall motion, 2) makes partial switching easier resulting in increase of the dielectric response, 3) decreases the threshold fields as the nucleation starts at the boundaries of frozen areas. The dependence of switched charge fraction on the cycle number has been analyzed by modified Kolmogorov-Avrami formula. © Taylor & Francis Group, LLC.
Author keywords:
charged domain walls; fatigue effect; Stoichiometric lithium tantalate; vapor transport equilibration
Index keywords:
Charge fractions; Charged domain wall; Cycle number; Dielectric response; Domain kinetics; Fatigue effects; Solid-state electrodes; Stoichiometric lithium tantalates; Threshold fields; Vapor transport
DOI:
10.1080/00150193.2012.671693
Смотреть в Scopus:
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84861391341&doi=10.1080%2f00150193.2012.671693&partnerID=40&md5=1a313f20acf4046ff7f7c391b0e98049
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Link https://www.scopus.com/inward/record.uri?eid=2-s2.0-84861391341&doi=10.1080%2f00150193.2012.671693&partnerID=40&md5=1a313f20acf4046ff7f7c391b0e98049
Affiliations Research Institute of Physics and Applied Mathematics, Institute of Natural Sciences, Ural Federal University, 620000 Ekaterinburg, Russian Federation
Author Keywords charged domain walls; fatigue effect; Stoichiometric lithium tantalate; vapor transport equilibration
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Correspondence Address Shur, V.Y.; Research Institute of Physics and Applied Mathematics, Institute of Natural Sciences, Ural Federal University, 620000 Ekaterinburg, Russian Federation; email: vladimir.shur@usu.ru
CODEN FEROA
Language of Original Document English
Abbreviated Source Title Ferroelectrics
Source Scopus