Dielectric and piezoelectric properties of PZN-PNN-PT ceramics near the morphotropic phase boundary

被引：0

作者：

Pan, JS ^{[1
]}

Zhang, XW

Lei, C

Chen, KP

机构：

[1] Tsinghua Univ, Dept Mat Sci & Engn, State Key Lab New Ceram & Fine Proc, Beijing 100084, Peoples R China

[2] Tsinghua Univ, Dept Phys, Beijing 100084, Peoples R China

来源：

RARE METAL MATERIALS AND ENGINEERING | 2003年 / 32卷

关键词：

PZN; PNN; perovskite phase; morphotropic phase boundary; dielectric property;

D O I：

暂无

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

PZN-PNN-PT ferroelectrics ceramics near the morphotropic phase boundary line were synthesized by the columbite precursor method. Their structure, dielectric and piezoelectric properties were investigated. It reveals that excessive content of PZN may lead to the decrease of perovskite phase, while moderate content improves the dielectric and piezoelectric properties of the ceramics. The cause of this result was also presented. In addition, almost all the specimens are characterized with diffuse phase transition and frequency dispersion.

引用

页码：445 / 448

页数：4

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