Effective piezoelectricity of PZT-based relaxor ferroelectric compositions

被引：0
|
作者：
Zhuang, ZQ [1 ]
机构：
[1] S China Univ Technol, Coll Mat Sci & Engn, Guangzhou 510640, Peoples R China
来源：
FERROELECTRICS | 2001年 / 261卷 / 1-4期
关键词：
electrostrictive; DC bias; dielectric constant; effective piezoelectric effect; PBZT; PLZT;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Electrostrictive strain x, DC-biased dielectric constant (b)K(33), DC bias field-induced electromechanical planar coupling factor (b)k(p) and piezoelectric strain coefficient (b)d(31) of La, Bi, Sr and Nb modified PBZT and Ba-A-side doped PLZT compositions were investigated and discussed in this paper. Some of the compositions with low hysteresis and small temperature coefficients of the DC bias field-induced piezoelectric properties were developed. A ferroelectric phenomenological theory for DC bias field-induced piezoelectric effect (effective piezoelectric effect) was developed and employed to reveal the relationship between the instant and the effective piezoelectric properties of the materials.
引用
收藏
页码：697 / 706
页数：10
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