Pyroelectric and dielectric properties of some heavy rare-earth orthochromites

被引：4
|
作者：
Lal, HB
Dwivedi, RD
Gaur, K
机构：
[1] Univ of Gorakhpur, Gorakhpur, India
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 1996年 / 7卷 / 01期
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The measurement of pyroelectric coefficient (p) and dielectric constant (K) of rare-earth orthochromites RCrO(3), where R = Tb, Dy, Ho, Er and Yb are reported for the temperature range 300-600 K. Pyroelectric data show that all the studied orthochromites have ferroelectric phase in this temperature range. The dielectric data in some cases support this conclusion. Spontaneous polarization (P-S) and Curie temperature (T-C) have also been evaluated. The maximum value of P-S varies from 0.041 C m(-2) to 0.30 C m(-2) in the studied orthochromites, which is very small.
引用
收藏
页码：35 / 38
页数：4
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