Effect of some dopants on piezomodulus d33 of Na0.5Bi0.5TiO3-0.06BaTiO3 lead-free relaxor ferroelectrics ceramics

被引：0
|
作者：
Dur'kin, E. [1 ]
Tiagunova, J. [1 ]
Mojaev, E. [1 ]
Roth, M. [1 ]
机构：
[1] Hebrew Univ Jerusalem, Dept Appl Phys, IL-91904 Jerusalem, Israel
来源：
FUNCTIONAL MATERIALS LETTERS | 2018年 / 11卷 / 03期
基金：
以色列科学基金会;
关键词：
Relaxor ferroelectrics; piezomodulus; doping; grain size; ion radius; FREE PIEZOELECTRIC CERAMICS; ELECTRICAL-PROPERTIES; DIELECTRIC-PROPERTIES; MICROSTRUCTURE; SUBSTITUTION; PIEZOCERAMICS; TITANATE; SYSTEM; LA;
D O I：
10.1142/S179360471850056X
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Na0.5Bi0.5TiO3-0.06BaTiO(3) relaxor ferroelectrics ceramics samples, doped with 1 wt.% of CuO, Fe2O3, Sb2O3, La2O3 and Ta2O5, were investigated. The grain structures were observed and corresponding piezomodulus were d(33) measured for all the compounds at room temperature. It was shown that the piezomodulus d(33) enhanced as the grain size increased, and in the same time, the piezomodulus d(33) weakened as the radius of incorporated ion enlarged. The mechanisms of such dependence of piezomodulus d(33) on both grain sizes and radii were discussed.
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页数：4
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