Abstract

A detailed analysis of the hopping conduction in granular metals is presented. The shape of the density of states and the process of conduction are resulting from the distribution of the sizes of the metallic grains. It is shown that many processes for the hopping conduction can be simultaneously observed. Under some conditions related to the range of temperature and to the width of the grain size distribution only one of these processes will be dominant. A brief application to real systems gives results which are in good agreement with the experimental data.

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