Ferroelectric Properties and Nano-Scaled Domain Structures in (1-x)BiFeO3-xBaTiO3 (0.33 < x < 0.50)

被引：66
作者：
Ozaki, T. [1 ]
Kitagawa, S. [2 ]
Nishihara, S. [2 ]
Hosokoshi, Y. [2 ]
Suzuki, M. [3 ]
Noguchi, Y. [3 ]
Miyayama, M. [3 ]
Mori, S. [1 ]
机构：
[1] Osaka Prefecture Univ, Dept Mat Sci, Osaka 5998531, Japan
[2] Osaka Prefecture Univ, Dept Phys Sci, Osaka 5998531, Japan
[3] Univ Tokyo, RCAST, Tokyo 1538904, Japan
来源：
FERROELECTRICS | 2009年 / 385卷
关键词：
Ferroelectric material; electron microscopy; phase coexistence; CRYSTAL;
D O I：
10.1080/00150190902889267
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We have investigated ferroelectric domain structures in the pseudo-cubic structure of (1-x)BiFeO3-xBaTiO(3) with 0.33 < x < 0.50 by the transmission electron microscopy (TEM). High-resolution lattice image reveals that the psudo-cubic structures in the x = 0.33, 0.40 and 0.50 compounds are characterized as nano-scaled coexisting state of the polar rhombohedral structure and the non-polar cubic one. Furthermore, P-E hysteresis curve measurements showed that the x = 0.33, 0.40 and 0.50 compounds are regarded as ferroelectric materials with the spontaneous polarizations of 41 mu C/cm(2), 21 mu C/cm(2), and 5 mu C/cm(2), respectively.
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页码：155 / 161
页数：7
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