STRUCTURAL STUDY OF NEUTRAL-IONIC TRANSITION IN DMTTF-CA

被引：11
|
作者：
NOGAMI, Y [1 ]
TAODA, M [1 ]
OSHIMA, K [1 ]
AOKI, S [1 ]
NAKAYAMA, T [1 ]
MIURA, A [1 ]
机构：
[1] TOSHIBA RES & DEV CTR, KAWASAKI, KANAGAWA 210, JAPAN
来源：
SYNTHETIC METALS | 1995年 / 70卷 / 1-3期
关键词：
D O I：
10.1016/0379-6779(94)02826-K
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Dimethyltetrathiafulvalene-p-chloranil (DMTTF-CA), showing a particular neutral(N)-ionic(I) transition from a N phase into a N-I coexisting phase by cooling, was structural analyzed by X-ray at 29K, 48K, 109K and 293K Below Tc or 65K, changes observed in unit cell parameters, bond lengths and anisotropic temperature factors indicate 1) a increase in degree of charge transfer(CT) from a DMTTF donor to a CA acceptor and 2) a formation of a molecular dimerization, in I part of the coexisting phase. A possible staging superlattice was not observed.
引用
收藏
页码：1219 / 1220
页数：2
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