ELECTRONIC-PROPERTIES OF ISOSTRUCTURAL ORGANIC CONDUCTORS (ET)(3)(HSO4)(2) AND [NI(DDDT)(2)](3)(HSO4)(2) - THERMOPOWER AND TIGHT-BINDING CALCULATIONS

被引：7
|
作者：
MERZHANOV, VA [1 ]
HITS, DA [1 ]
YAGUBSKII, EB [1 ]
DOUBLET, ML [1 ]
CANADELL, E [1 ]
机构：
[1] UNIV PARIS 11,CHIM THEOR LAB,F-91405 ORSAY,FRANCE
来源：
SYNTHETIC METALS | 1995年 / 71卷 / 1-3期
基金：
俄罗斯基础研究基金会;
关键词：
D O I：
10.1016/0379-6779(94)03083-I
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The temperature dependence of thermopower of isostructural molecular conductors [Ni(dddt)(2)](3)(HSO4)(2) and (ET)(3)(HSO4)(2) has been investigated. Drastic difference in S(T) dependences is qualitatively explained on basis of tight binding band structure calculations. A peak at 25 K in [Ni(dddt)(2)](3)(HSO4)(2) was shown to be manifestation of metal to semimetal phase transition, and the abrupt decrease at 125 K in (ET)(3)(HSO4)(2) is concerned with metal to insulator phase transition. Rather complex semimetal band structure was found in both cases.
引用
收藏
页码：1867 / 1868
页数：2
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