Current-conducting properties of paper consisting of multiwall carbon nanotubes

被引：2

作者：

Tkachev, E. N. ^{[1
]}

Buryakov, T. I. ^{[2
]}

Kuznetsov, V. L. ^{[3
]}

Moseenkov, S. I. ^{[3
]}

Mazov, I. N. ^{[3
]}

Popkov, S. I. ^{[4
]}

Shaikhutdinov, K. A. ^{[4
]}

机构：

[1] Russian Acad Sci, Siberian Branch, Nikolaev Inst Inorgan Chem, Novosibirsk 630090, Russia

[2] Tomsk State Univ, Siberian Physicotech Inst, Tomsk 634050, Russia

[3] Russian Acad Sci, Siberian Branch, Boreskov Inst Catalysis, Novosibirsk 630090, Russia

[4] Russian Acad Sci, Siberian Branch, Kirensky Inst Phys, Krasnoyarsk 660036, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2013年 / 116卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

ELECTRICAL-CONDUCTIVITY; ELECTRONIC-STRUCTURE; RESISTANCE;

D O I：

10.1134/S1063776113050257

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Electrical conductivity sigma(T) of the paper consisting of multiwalled carbon nanotubes (MWCNTs) is studied in the temperature range 4.2-295 K, and its magnetoresistivity rho(B) at various temperatures in magnetic fields up to 9 T is analyzed. The temperature dependence of the paper electrical conductivity sigma(T) exhibits two-dimensional quantum corrections to the conductivity below 10 K. The dependences of negative magnetoresistivity rho(B) measured at various temperatures are used to estimate the wavefunction phase breakdown length L (phi) of conduction electrons and to obtain the temperature dependence L (phi) = constT (-p/2), where p a parts per thousand 1/3. Similar dependences of electrical conductivity sigma(T), magnetoresistivity rho(B), and phase breakdown length L (phi)(T) are detected for the initial MWCNTs used to prepare the paper.

引用

页码：860 / 865

页数：6

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