ON THE TEMPERATURE-DEPENDENCE OF ELECTRICAL-CONDUCTIVITY OF BUCKYTUBE-CONTAINING CARBONACEOUS SAMPLES

被引：4

作者：

HEYD, R

CHARLIER, A

MARECHE, JF

MCRAE, E

ZHARIKOV, OV

机构：

[1] CNRS,CHIM SOLIDE MINERAL LAB,URA 158,F-54506 VANDOEUVRE NANCY,FRANCE

[2] RUSSIAN ACAD SCI,INST SOLID STATE PHYS,CHERNOGOLOVKA 142432,RUSSIA

来源：

SOLID STATE COMMUNICATIONS | 1994年 / 89卷 / 12期

关键词：

D O I：

10.1016/0038-1098(94)90500-2

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We have examined the electrical conductivity, sigma(T), from 4.2 to 295 K of samples from a series of buckytube-containing carbonaceous deposits prepared under helium pressures ranging from 20 to 750 Torr. The results show that while absolute values of conductivity are very sample dependent, all temperature variations can be expressed as sigma(T) = C exp(AT) where C and A are positive coefficients. We discuss the results in the light of thermally activated tunnelling based on a two level model.

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页码：989 / 994

页数：6

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