X-ray diffraction topography on a BaTiO3 crystal

被引：12

作者：

Yoneda, Y ^{[1
]}

Kohmura, Y ^{[1
]}

Suzuki, Y ^{[1
]}

Hamazaki, S ^{[1
]}

Takashige, M ^{[1
]}

机构：

[1] Iwaki Meisei Univ, Dept Elect, Iwaki, Fukushima 9708551, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2004年 / 73卷 / 04期

关键词：

X-ray diffraction; topography; ferroelectric domain observation; BaTiO3;

D O I：

10.1143/JPSJ.73.1050

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have observed 90degrees domain walls in a bulk BaTiO3 crystal by synchrotron radiation topography, coupled with a CCD detector. The BaTiO3 multi-domain crystal was revealed to be strained at the 90degrees domain boundary. The polar direction of the BaTiO3 crystal was tilted by this strain, and this strain also causes the irregular angle of the surface bending mode. The synchrotron X-ray topography can be performed on a sample with electrodes. The topographic image of the ferroelectric domain with an electric field clarified that the well-known stripe domain configuration can not be observed without a weak electric field due to the lattice strain at the domain boundary.

引用

页码：1050 / 1053

页数：4

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