Ferroelectricity in Gly center dot H3PO3 crystal

被引：120

作者：

Dacko, S ^{[1
]}

Czapla, Z ^{[1
]}

Baran, J ^{[1
]}

Drozd, M ^{[1
]}

机构：

[1] POLISH ACAD SCI,INST LOW TEMP & STRUCT RES,PL-50950 WROCLAW,POLAND

来源：

PHYSICS LETTERS A | 1996年 / 223卷 / 03期

关键词：

phase transition; ferroelectricity; dielectric permittivity; hydrogen bonds;

D O I：

10.1016/S0375-9601(96)00698-6

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new Gly . H3PO3 crystal. was grown and its physical properties were investigated. DSC measurements revealed a phase transition at about 224 K. Dielectric investigations showed a large anomaly of dielectric permittivity at 224.7 K along the b-axis. The appearance of spontaneous polarization (along the b-axis) observed by means of a Sawyer-Tower circuit gives evidence for a para-ferroelectric phase transition in this material.

引用

页码：217 / 220

页数：4

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