Nonlinear dielectric properties of barium strontium titanate ceramics

被引：64

作者：

Wei, XY ^{[1
]}

Yao, X ^{[1
]}

机构：

[1] Xian Jiaotong Univ, Elect Mat Res Lab, Xian 710049, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 2003年 / 99卷 / 1-3期

关键词：

polar nanoregion; DC bias field; dielectric nonlinearity; barium strontium titanate;

D O I：

10.1016/S0921-5107(02)00423-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In barium strontium titanate (BaxSr1-xTiO3) ceramics, obvious tunabilities of both dielectric permittivity and loss tangent under external DC bias field were observed. The temperature and frequency dependences of nonlinear dielectric properties were studied. Polarizing process was carried out to evaluate the influence of domain reorientation on dielectric nonlinearity in the ferroelectric polycrystalline samples. The nonlinear variation of dielectric properties under external DC bias field was tentatively explained. (C) 2002 Elsevier Science B.V. All rights reserved.

引用

页码：74 / 78

页数：5

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