Phase transition via intermediate state and control of piezoelectric parameters

被引：2

作者：

Ishchuk, V. M. ^{[2
]}

Sobolev, V. L. ^{[1
]}

Spiridonov, N. A. ^{[3
]}

机构：

[1] S Dakota Sch Mines & Technol, Rapid City, SD 57701 USA

[2] NAS Ukraine, Inst Single Crystals, UA-61001 Kharkov, Ukraine

[3] NAS Ukraine, STC Reaktivelektron, UA-83096 Donetsk, Ukraine

来源：

FERROELECTRICS | 2008年 / 362卷

关键词：

ferroelectrics; antiferroelectrics; phase transitions; intermediate state; domains;

D O I：

10.1080/00150190802001161

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The influence of the electric field on the stability of phases in antiferroelectric substance with a small difference in energies of the ferroelectric and antiferroelectric states is studied. Theoretical prediction that the interaction between the coexisting domains of the ferroelectric and antiferroelectric phases provides the stability of the nonuniform intermediate state of the substance in external electric field is confirmed experimentally. The composition-electric field phase diagrams with intermediate state are obtained for the lanthanum modified lead zirconate-titanate based solid solutions. Variation of piezoelectric properties of these solid solutions during the phase transition via intermediate state is studied. It is shown that the effective control of piezoelectric parameters by external electric field is possible in materials with such phase transition.

引用

页码：64 / 71

页数：8

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