Transport Properties of VOx Multi-Walled Nanotubes

被引：0
作者：
Chernobrovkin, A. L. [1 ]
Demishev, S. V.
Grigorieva, A. V. [2 ]
Goodilin, E. A. [2 ]
Semeno, A. V.
机构：
[1] RAS, AM Prokhorov Gen Phys Inst, Low Temp & Cryogen Engn Dept, Moscow 119991, Russia
[2] Moscow MV Lomonosov State Univ, Dept Mat Sci, Moscow, Russia
来源：
FULLERENES NANOTUBES AND CARBON NANOSTRUCTURES | 2011年 / 19卷 / 1-2期
关键词：
Microwave study; Vanadium oxide nanotubes; ELECTRON;
D O I：
10.1080/1536383X.2010.490109
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：
Microwave cavity perturbation technique was used to measure high-frequency (60 GHz) conductivity of VOx multi-walled nanotubes in a wide temperature range of 4.2-80 K. We found that conductivity of VOx nanotubes monotonically increases with temperature. Furthermore, two contributions to high-frequency conductivity can be distinguished: quasi-metallic linear term and thermally activated conductivity with the activation energy EA=150 +/- 10 K.
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页码：34 / 38
页数：5
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