Dynamical dielectric properties of [4-NH2C5H4NH][SbCl4] in the incommensurate phase

被引：7

作者：

Bator, G ^{[1
]}

Jakubas, R ^{[1
]}

机构：

[1] Univ Wroclaw, Fac Chem, PL-50383 Wroclaw, Poland

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2003年 / 72卷 / 09期

关键词：

incommensurate; phase transition; ferroelectric; dielectric dispersion; chloroantimonate(III);

D O I：

10.1143/JPSJ.72.2369

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Dielectric dispersion is shown to occur at radio-frequencies in single crystals of [4-NH2C5H4NH][SbCl4] in the frequency range of 200 Hz-1 MHz. It is found that dielectric dispersion, measured in the incommensurate phase (270.5-304 K) along the [102] direction of the monoclinic symmetry, is monodispersive, except for the close vicinity of T-c = 270.5 K, for T < T-c + 1 K. In the incommensurate phase (for T > T-c) the apparent critical slowing down is found with tau approximate to 1 X 10(-4) s just above T-c.

引用

页码：2369 / 2371

页数：3

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