Electrical properties in disk-like phenylene derivative in crystalline state

被引：14

作者：

Sugita, A ^{[1
]}

Suzuki, K ^{[1
]}

Tasaka, S ^{[1
]}

机构：

[1] Shizuoka Univ, Dept Chem Engn & Mat Sci, Hamamatsu, Shizuoka 4328561, Japan

来源：

CHEMICAL PHYSICS LETTERS | 2004年 / 396卷 / 1-3期

关键词：

D O I：

10.1016/j.cplett.2004.08.025

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We investigated electrical properties of disk-like phenylene derivatives embedded with dipoles (N,N',N"-tri-n-octyl-1,3,5-benzenetricarboxamide TOB)). Our experimental results revealed that TOB exhibited ferroelectric and pyroelectric properties in a crystalline state. Remnant displacement and coercive field were 10.5 MC/m(2) and 14 MV/m, respectively, at 293 K by displacement-field hysteresis loop. Dielectric anomaly, associated with ferroelectric-paraelectric phase transition, was observed at 370 K. The pyroelectric signal of about beta = 3.1 muC/M-2 K was recorded at temperatures below the phase transition point. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：131 / 135

页数：5

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