Contributions to the piezoelectric effect in ferroelectric single crystals and ceramics

被引：581

作者：

Damjanovic, D ^{[1
]}

机构：

[1] Ecole Polytech Fed Lausanne, Mat Sci & Engn Inst, Ceram Lab, CH-1015 Lausanne, Switzerland

来源：

JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2005年 / 88卷 / 10期

关键词：

D O I：

10.1111/j.1551-2916.2005.00671.x

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

The piezoelectric effect in ferroelectric single crystals and ceramics is investigated considering intrinsic (lattice), and extrinsic (originating mainly from displacement of domain walls) contributions. The focus of the study of intrinsic properties is on piezoelectric anisotropy, which was examined using the Landau-Ginsburg-Devonshire phenomenological theory. It is shown that the enhanced piezoelectric response along nonpolar directions, observed in many perovskite systems, is a consequence of the flattening of the Gibbs free energy profile. This flattening is common for temperature-, composition-, and external field-induced enhancement of the piezoelectric properties along nonpolar axes. A brief review of recent advances in understanding the origins of the piezoelectric nonlinearity, hysteresis, and frequency dispersion is also given.

引用

页码：2663 / 2676

页数：14

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