Journal
PHYSICS LETTERS A
Volume 361, Issue 6, Pages 500-503Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physleta.2006.09.076
Keywords
magnetoresistance; electron-electron interaction; transport properties
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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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