MAGNETOTRANSPORT PROPERTIES OF CARBON NANOTUBE FIBERS

被引：0
|
作者：
Ksenevich, V. K. [1 ]
Galibert, J. [2 ]
Kozlov, M. E. [3 ]
Samuilov, V. A. [1 ,4 ]
机构：
[1] Belarusian State Univ, Dept Phys, Nezavisimosti Ave 4, Minsk 220050, BELARUS
[2] Lab Natl Champs Magnet Pulses BP 14245 143, F-31432 Toulouse, France
[3] Univ Texas Dallas, Nano Tech Inst, Richardson, TX 75083 USA
[4] SUNY Stony Brook, Dept Mat Sci, Stony Brook, NY 11794 USA
来源：
PHYSICS, CHEMISTRY AND APPLICATION OF NANOSTRUCTURES: REVIEWS AND SHORT NOTES | 2007年
关键词：
D O I：
10.1142/9789812770950_0058
中图分类号：
O69 [应用化学];
学科分类号：
081704 ;
摘要：
Temperature dependencies of the resistance R(T) and magnetoresistance (MR) of single-wall carbon nanotube (SWCNT) fibers have been investigated. R(T) shows negative dR/dT at 4.2-300 K and can be well fitted by Mott's law for 3-D variable range hopping (VRH) up to similar to 80 K. The negative MR at low fields with a positive upturn observed in the system can be explained by Shklovskii-Efros and Sivan models of MR for hopping conductivity.
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页码：262 / +
页数：2
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