Electric resistivity of multi-walled carbon nanotubes at high temperatures

被引:19
作者
Barberio, M. [1 ]
Camarca, M. [1 ]
Barone, P. [1 ]
Bonanno, A. [1 ]
Oliva, A. [1 ]
Xu, F. [1 ]
机构
[1] Univ Calabria, Dipartimento Fis, Ist Nazl Fis Nucl, Gruppo Collegato Cosenza, I-87036 Cosenza, CS, Italy
关键词
electrical transport measurements; conductivity; carbon nanotubes;
D O I
10.1016/j.susc.2006.12.047
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
The electric resistivity of a clean multi-walled carbon nanotube (MWNT) mat sample was studied at temperatures T between 300 and 1900 K. We found that the resistivity rho decreases monotonously with increasing temperature without showing any sign of turn up. Our results can be well fitted with a power law of T-x within the framework of one dimensional Luttinger liquid theory with alpha = 0.13 or with a simple thermally activated inter shell hopping model. (c) 2006 Elsevier B. V. All rights reserved.
引用
收藏
页码:2814 / 2818
页数:5
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