DIELECTRIC-PROPERTIES OF FERROELECTRIC RB2 COBR4

被引:6
作者
SHIMIZU, F [1 ]
YAMAGUCHI, T [1 ]
SUZUKI, H [1 ]
TAKASHIGE, M [1 ]
SAWADA, S [1 ]
机构
[1] MEISEI UNIV,COLL SCI & ENGN,DEPT ELECT ENGN,HINO,TOKYO 191,JAPAN
关键词
(NH4)2SO4-family ferroelectrics; antiferroelectrics; ferroelectrics; Rb2CoBr4; Rb2ZnCl4-group ferroelectrics;
D O I
10.1080/01411599008206880
中图分类号
O7 [晶体学];
学科分类号
0702 ; 070205 ; 0703 ; 080501 ;
摘要
Single crystals of Rb2CoBr4were grown by the Bridgman method. DTA and the dielectric constant measurements revealed that the normal-incommensurate transition point T1is 60 °C and the lock-in transition (Curie temperature Tc) is — 81°C (on heating). The temperature dependence of spontaneous polarization Pscoercive field Ecand antiferroelectric polarization PAFwere measured for a single-crystal sample down to liquid nitrogen temperature. © 1990, Taylor & Francis Group, LLC. All rights reserved.
引用
收藏
页码:41 / 47
页数:7
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