Integer quantum Hall effect in graphite

被引：29

作者：

Kempa, H ^{[1
]}

Esquinazi, P ^{[1
]}

Kopelevich, Y ^{[1
]}

机构：

[1] Univ Leipzig, Inst Expt Phys 2, Div Superconduct & Magnetism, D-04103 Leipzig, Germany

来源：

SOLID STATE COMMUNICATIONS | 2006年 / 138卷 / 03期

基金：

巴西圣保罗研究基金会;

关键词：

metals; semiconductors; galvanomagnetic effects; quantum Hall effect;

D O I：

10.1016/j.ssc.2006.02.020

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

We present Hall effect measurements on highly oriented pyrolytic graphite that indicate the occurrence of the integer quantum-Hall-effect. The evidence is given by the observation of regular plateau-like structures in the field dependence of the transverse conductivity obtained in van der Pauw configuration. Measurements with the Corbino-disk configuration support this result and indicate that the quasi-linear and non-saturating longitudinal magnetoresistance in graphite is governed by the Hall effect in agreement with a recent theoretical model for disordered semiconductors. (c) 2006 Elsevier Ltd. All rights reserved.

引用

页码：118 / 122

页数：5

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