Crystal structure and physical properties of alpha-(BEDT-TTF)(2)MM'(SCN)(4) [M=Rb,Cs,M'=Co,Zn]

被引:9
|
作者
Mori, H [1 ]
Tanaka, S [1 ]
Mori, T [1 ]
Fuse, A [1 ]
机构
[1] TOKYO INST TECHNOL,DEPT ORGAN & POLYMER MAT,TOKYO 152,JAPAN
关键词
metal-insulator phase transitions; organic conductors; X-ray diffraction; magnetic measurements; electrocrystallization;
D O I
10.1016/S0379-6779(97)80905-8
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The metal-insulator transitions occur at 190K and 20K for (BEDT-TTF)(2)MM'(SCN)(4) [M=Rb, M'=Co,Zn] and [M=Cs, M'=Co,Zn], respectively. The former transition at 190K might originate from electron-correlation with lattice modulation, suggested by the measurements of magnetic susceptibility and X-ray structure at low temperature. This transition temperature is elevated with applying pressure due to the increase of U/4t.
引用
收藏
页码:1789 / 1790
页数:2
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