Crystallographic direction dependence of direct current field induced strain and phase transitions in Na0.5Bi0.5TiO3-x%BaTiO3 single crystals near the morphotropic phase boundary

被引：33

作者：

Luo, Chengtao ^{[1
]}

Ge, Wenwei ^{[1
]}

Zhang, Qinhui ^{[2
]}

Li, Jiefang ^{[1
]}

Luo, Haosu ^{[2
]}

Viehland, D. ^{[1
]}

机构：

[1] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA

[2] Chinese Acad Sci, Shanghai Inst Ceram, Shanghai 201800, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2012年 / 101卷 / 14期

基金：

美国国家科学基金会;

关键词：

FREE PIEZOELECTRIC CERAMICS; ELECTRIC-FIELD; PERSPECTIVE;

D O I：

10.1063/1.4757877

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The crystallographic dependence of the DC electric (E) field induced strain and phase transition in Na0.5Bi0.5TiO3-5.6%BaTiO3 (NBT-5.6%BT) single crystals has been investigated. An induced transition between pseudocubic and tetragonal structures was observed under E = 10 kV/cm for fields applied along the < 001 > direction, whereas an induced transition between pseudocubic and rhombohedral structures was observed when the E-field was applied along < 111 >. Our results show near the morphotropic phase boundary that the phase stability of NBT-x%BT is dependent on the crystallographic direction along which E was applied. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4757877]

引用

页数：4

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