Phase transitions and properties of perovskite ferroelectric ceramics and films for certain applications

被引：14

作者：

Sternberg, A ^{[1
]}

Birks, E ^{[1
]}

Shebanovs, L ^{[1
]}

Klotins, E ^{[1
]}

Ozolinsh, M ^{[1
]}

Tyunina, M ^{[1
]}

Zauls, V ^{[1
]}

Kundzinsh, M ^{[1
]}

机构：

[1] Latvian State Univ, Inst Solid State Phys, LV-1063 Riga, Latvia

来源：

FERROELECTRICS | 1999年 / 226卷 / 1-4期

关键词：

phase transition; ferroelectric ceramics; thin films; structure ordering; relaxor; polarization; electromechanical properties; Ginsburg-Landau model;

D O I：

10.1080/00150199908230301

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The structure-properties relationships and phase transitions in perovskite ceramics, and films of PLZT, PLZST, PST, PSN, PMNT compounds are discussed with regard to ordering, relaxer behaviour, pronounced ferroelectric, electromechanical and electrocaloric properties. The theoretical approach is extended to the time dependent Ginsburg-Landau model. The evolution of dielectric properties in relaxors after the change of temperature and electric field creating an increase of dielectric permittivity is found to follow a logarithmic law of decay. A strong electromechanical response is observed in a number of thin films of different compositions.

引用

页码：217 / 241

页数：25

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