期刊
PHYSICS LETTERS A
卷 361, 期 6, 页码 500-503出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2006.09.076
关键词
magnetoresistance; electron-electron interaction; transport properties
The polymer-amorphous carbon composites show a negative magnetoconductance which varies as B-2 at low fields which changes to B-1/2 at sufficiently high fields. The magnetoconductance gives the evidence of electron-electron interaction in composites whose conductivity follows thermal fluctuation induced tunneling and falls in the critical regime. (c) 2006 Elsevier B.V. All rights reserved.
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