Dielectric behavior of Ba(Ti1-xZrx)O3 solid solution

被引：24
|
作者：
Bokov, A. A. [1 ]
Maglione, M.
Simon, A.
Ye, Z-G.
机构：
[1] Simon Fraser Univ, Dept Chem, Burnaby, BC V5A 1S6, Canada
[2] CNRS, Inst Chim Mat Condensee Bordeaux, F-33608 Pessac, France
来源：
FERROELECTRICS | 2006年 / 337卷
关键词：
dielectric relaxation; relaxor; ferroelectrics; BaTiO3 solid solutions;
D O I：
10.1080/00150190600716747
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The dielectric permittivity as a function of temperature at frequencies from 10(-2) to 105 Hz is studied and parameterized in the perovskite Ba(Ti0.675Zr0.325)O-3 ceramics. The features characteristic of relaxor ferroelectrics are found, namely, the Lorenz-type temperature dependence at high-temperature slope of the real permittivity peak, the Curie-Weiss law observed at temperatures much higher than the temperature of the peak, the Vogel-Fulcher scaling of the temperature/frequency dependencies of the permittivity. However, scaling characteristics differ from those in classical complex perovskite relaxors suggesting different origin of dielectric relaxation.
引用
收藏
页码：1341 / 1350
页数：10
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