MAGNETIC-PROPERTIES OF CARBON NANOTUBES

被引：214

作者：

AJIKI, H

ANDO, T

机构：

[1] Institute for Solid State Physics, University of Tokyo, Minato-ku, Tokyo 106

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 1993年 / 62卷 / 07期

关键词：

GRAPHITE; CARBON NANOTUBE; FULLERENE TUBE; AHARONOV-BOHM EFFECT;

D O I：

10.1143/JPSJ.62.2470

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Magnetic properties of carbon nanotubes (CN's) are calculated in the effective-mass theory. The magnetic moment in a magnetic flux parallel to the tube axis oscillates as a function of the flux with period determined by the flux quantum and phase depending on whether CN is metallic or semiconducting. For a magnetic field perpendicular to the axis, CN's exhibit a large diamagnetism independent of metallic or semiconducting. The magnetic moment induced by a perpendicular field is about three order of magnitude as large as that by a parallel field.

引用

页码：2470 / 2480

页数：11

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