Piezoelectric properties of La and Nb co-modified Bi4Ti3O12 high-temperature ceramics

被引：0
|
作者：
T. Chen
H. L. Wang
T. Zhang
J. F. Zhou
J. W. Zhang
Y. H. Liu
G. C. Wang
机构：
[1] Teaching and Research Section of Physics,
[2] Chengdu Medical College,undefined
[3] Teaching and Research Section of Chemistry,undefined
[4] Chengdu Medical College,undefined
来源：
Indian Journal of Physics | 2013年 / 87卷
关键词：
High-temperature ceramics; Piezoelectric properties; Bi; Ti; O; 77.65.-j; 77.84.-s;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Bi4-xLaxTi3O12 + mol4 % Nb2O5 ceramics were prepared by the conventional ceramic method and the effect of La content on their electrical properties was investigated. Density and resistivity of Bi4Ti3O12 ceramics were improved by doping La and Nb. The dielectric constant and the dielectric loss decreased simultaneously with increasing La content. An enhanced piezoelectric behavior of d33 ~ 16.0 pC/N was obtained in the ceramic with x = 0.50, together with a good temperature stability. As a result, the introduction of La and Nb was considered an effective way to improve the piezoelectric properties of Bi4Ti3O12 ceramics.
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页码：629 / 631
页数：2
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