Grain size effects on piezoelectric properties of BaTiO3 ceramics prepared by spark plasma sintering

被引：22

作者：

Guo, F. Q. ^{[1
,2
]}

Zhang, B. H. ^{[1
,2
]}

Fan, Z. X. ^{[2
]}

Peng, X. ^{[2
]}

Yang, Q. ^{[2
]}

Dong, Y. X. ^{[2
]}

Chen, R. R. ^{[2
]}

机构：

[1] Yili Normal Univ, Xinjiang Lab Phase Transit & Microstruct Condense, Yining 835000, Peoples R China

[2] Changji Collge, Dept Phys, Changji 831100, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2016年 / 27卷 / 06期

基金：

中国国家自然科学基金;

关键词：

FIELD-INDUCED STRAIN; DIELECTRIC-PROPERTIES;

D O I：

10.1007/s10854-016-4518-1

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Grain size effects on permittivity, piezoelectric constant d(33) and electric field-induced strain of BaTiO3 ceramics prepared by spark plasma sintering were studied systematically in this study. It was found that in our studied grain size range they all showed clear grain size effects, while their variations with grain size were distinctly different. With increasing grain size, the permittivity decreases monotonically due to decreased domain wall density, the piezoelectric constant d(33) keeps increasing because of the increased domain alignment which is related to the increase of 180 degrees domain and decreased clamping effect on 90 degrees domain switching by grain boundaries, the electric field-induced strain maximize at intermediate grain size which is due to the maximization of reversible 90 degrees domain switching.

引用

页码：5967 / 5971

页数：5

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