Charge disproportionation in the organic conductor, α-(BEDT-TTF)2I3

被引:135
作者
Takano, Y [1 ]
Hiraki, K
Yamamoto, HM
Nakamura, T
Takahashi, T
机构
[1] Gakushuin Univ, Dept Phys, Toshima Ku, Tokyo 1718588, Japan
[2] Inst Mol Sci, Okazaki, Aichi 4448585, Japan
基金
日本学术振兴会;
关键词
organic compounds; nuclear magnetic resonance;
D O I
10.1016/S0022-3697(00)00173-6
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
We have carried out C-13-NMR measurements on the quasi two-dimensional organic conductor alpha-(BEDT-TTF)(2)I-3, which exhibits metal-insulator transition at 135 K at ambient pressure. The relaxation rate T-1(-1) has two components below the transition. Temperature dependence of the lineshape clearly indicates that there exist two differently charged BEDT-TTF molecules below the transition temperature. (C) 2000 Published by Elsevier Science Ltd.
引用
收藏
页码:393 / 395
页数:3
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