A weakly coupled molecular spin-ladder (BEDT-TTF)Zn(SCN)3

被引：6
|
作者：
Komatsu, T [1 ]
Kojima, N
Saito, G
机构：
[1] Univ Tokyo, Grad Sch Arts & Sci, Tokyo 1538902, Japan
[2] Kyoto Univ, Grad Sch Sci, Kyoto 60601, Japan
来源：
SYNTHETIC METALS | 1999年 / 103卷 / 1-3期
关键词：
organic conductors based on radical cation;
D O I：
10.1016/S0379-6779(98)00669-9
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thr title compound, (BEDT-TTF)Zn(SCN)(3), has two uniform-stacks of BEDT-TTF+. The extended-Huckel calculation reveals that the dominant magnetic interaction is in the stack direction, while it is about 1/10 between rm the stacks. Thus the title compound is a weakly-coupled spin-ladder The existence of spin-gap (340 K) is for the first time confirmed for the weak-coupling limit, by measuring static magnetization. The tight-binding band calculation reveals that, if a metallic state is realized by a carrier-doping, it will be stable against periodic lattice distortions.
引用
收藏
页码：1923 / 1924
页数：2
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