AN ORIENTATIONAL GLASS MODEL OF ELECTROSTRICTION IN RELAXOR DIELECTRICS

被引：2

作者：

BELL, AJ

CHU, F

DAGLISH, M

机构：

来源：

FERROELECTRICS | 1992年 / 133卷 / 1-4期

关键词：

D O I：

10.1080/00150199208217985

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Electrostriction in relaxor dielectrics is discussed in terms of orientational glass behaviour. A phenomenological model is presented for the field-induced polarisation and strain in relaxors which employs parameters from the empirical Vogel-Fulcher relationship. Comparison is made with measured values for different materials and the use of the model as a tool for the optimization of field induced strain in electromechanical devices is discussed.

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页码：115 / 120

页数：6

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