Percolation in a composite of random stick-like conducting particles

I. Balberg*, S. Bozowski

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

99 Scopus citations

Abstract

We report measurements of the conductivity, σ, of carbon-PVC composite as a function of the carbon weight %, ω, in the composite. Below some critical carbon content, ωc, the conductivity drops sharply while above this ωc we find a power-low behavior σ ∝ (ω - ωc)t. The best fits of the data with this power-law show that 1.5 <t<2.1 and correspondingly 9.5>ωc>9.0. This is in good agreement with the predicted universal value, t = 1.7, and the experimental value obtained for a system containing sphere-like conducting particles, t = 1.9 ± 0.2.

Original languageEnglish
Pages (from-to)551-554
Number of pages4
JournalSolid State Communications
Volume44
Issue number4
DOIs
StatePublished - Oct 1982
Externally publishedYes

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