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
收藏
页码：131 / 135
页数：5
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