Concentration dependence of hopping conductivity in granular metals
- 1 November 1986
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 34 (9) , 6318-6321
- https://doi.org/10.1103/physrevb.34.6318
Abstract
An analysis of conductivity in a model of identical metallic spheres randomly distributed in an insulator is presented. Using an approach based on ideas of percolation theory, the equation is derived which defines the limiting value for the separations between neighboring particles along the ‘‘optimal path.’’ The volume and structure of the current-carrying backbone are discussed and its contribution to the bulk conductivity is obtained.Keywords
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