FERROELECTRIC PHASE-TRANSITION IN HEXAGONAL TYPE BATIO3

被引：11
|
作者：
SAWAGUCHI, E [1 ]
AKISHIGE, Y [1 ]
YAMAMOTO, T [1 ]
机构：
[1] HOKKAIDO UNIV,DEPT PHYS,SAPPORO,HOKKAIDO 060,JAPAN
来源：
FERROELECTRICS | 1990年 / 106卷
关键词：
D O I：
10.1080/00150199008214560
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A polarizing microscope is used to investigate the ferroelectric phase transition of hexagonal type BaTiO3. Extinction positions of thin crystal c-plates change rather steeply with temperature in the ferroelectric phase near the Curie point of Tc ~ 70K, suggesting that a cooperative phenomenon is taking place. Orthorhombic crystal symmetry above Tc changes to a lower one, probably monoclinic P21 in the ferroelectric phase. © 1990, Taylor & Francis Group, LLC. All rights reserved.
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页码：63 / 68
页数：6
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