Phase transition in ferroelectric SrBi2Ta2O9 single crystal

被引：0
|
作者：
Yoshio, K [1 ]
Matsubara, I
Yamada, A
Onodera, A
Sakai, A
Yamashita, H
机构：
[1] Hokkaido Univ, Fac Sci, Dept Phys, Sapporo, Hokkaido 0600810, Japan
[2] Hokkai Gakuen Univ, Fac Engn, Dept Elect & Informat Engn, Sapporo, Hokkaido 0640926, Japan
来源：
JOURNAL OF THE KOREAN PHYSICAL SOCIETY | 2003年 / 42卷
关键词：
SBT; layered perovskite; phase transition; ferroelectricity;
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Single plate-like crystal of Bi-layered ferroelectric perovskite SrBi2Ta2O9 was prepared by selfflux method. Temperature dependence of the lattice constant c, specific heat, Raman scattering were measured to study phase transitions in SrBi2Ta2O9. There are clear anomalies at 613 K (T-c) and 850 K (T*) in the c-axis. The mechanism of this phase transition was discussed in terms of Dzialoshinsky-Moriya-type interaction.
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收藏
页码：S1034 / S1037
页数：4
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