Conducting filled polymers

F. Carmona

Physica A: Statistical Mechanics and its Applications, 1989, vol. 157, issue 1, 461-469

Abstract: We review the electrical properties of polymers filled with conducting particles of various sizes and shapes. dc and ac experimental behaviors in the neighborhood of the familiar insulator to conductor transition are generally in fair agreement with the predictions of percolation theory. Observed discrepancies with the universal values of the critical exponents have been attributed to effects of percolation over a continuum and/or interparticle tunneling of electrons, although the latter is not the only possible conduction mechanism. The location of the transition appears to involve, aside from geometrical effects, the physico-chemistry of the colloid which is formed during material processing.

Date: 1989
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:157:y:1989:i:1:p:461-469

DOI: 10.1016/0378-4371(89)90344-0

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