Transmission electron microscopy study on ferroelectric domain structure in SrBi2Ta2O9 ceramics

被引：39

作者：

Ding, Y ^{[1
]}

Liu, JS

Wang, YN

机构：

[1] Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China

[2] Chinese Acad Sci, Inst Phys, Beijing Lab Electron Microscopy, Beijing 100080, Peoples R China

[3] Chinese Acad Sci, Ctr Condensed Matter Phys, Beijing 100080, Peoples R China

[4] Tsing Hua Univ, Ctr Adv Study, Beijing 100084, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2000年 / 76卷 / 01期

关键词：

D O I：

10.1063/1.125670

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

A transmission electron microscopy investigation has been conducted on the domain structure in SrBi2Ta2O9 ceramics. From the 90 degrees rotation relationship of the electron diffraction pattern of the [001] zone axis, a 90 degrees domain wall can be confirmed. It is due to the failure of Friedel's law that the contrast of a 180 degrees domain wall can be identified. The antiphase boundary can be seen clearly in the dark-field image, which is taken by the (300) superlattice reflection. The 90 degrees domain wall, as well as antiphase the boundary (APB), has an irregular configuration. The APB combined with the 90 degrees domain wall is also identified. (C) 2000 American Institute of Physics. [S0003-6951(00)02101-X].

引用

页码：103 / 105

页数：3

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