Hierarchical domains in Na1/2Bi1/2TiO3 single crystals: Ferroelectric phase transformations within the geometrical restrictions of a ferroelastic inheritance

被引：58
|
作者：
Yao, Jianjun [1 ]
Ge, Wenwei [1 ]
Luo, Liang [1 ]
Li, Jiefang [1 ]
Viehland, D. [1 ]
Luo, Haosu [2 ]
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 | 2010年 / 96卷 / 22期
基金：
美国国家科学基金会;
关键词：
antiferroelectric materials; epitaxial layers; ferroelectric materials; ferroelectric thin films; pulsed laser deposition; Raman spectra; sodium compounds; BISMUTH-TITANATE; X-RAY; TRANSITIONS; NA0.5BI0.5TIO3; CERAMICS; SYSTEM;
D O I：
10.1063/1.3443717
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have found unique hierarchical domains in Na1/2Bi1/2TiO3 single crystals. A tetragonal ferroelastic domain structure is unchanged on cooling from 520 to 25 degrees C. Polar microdomains then nucleated on cooling in the rhombohedral ferroelectric phase within the geometrical restrictions imposed by the inherited ferroelastic domains. (C) 2010 American Institute of Physics. [doi:10.1063/1.3443717]
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页数：3
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