Abstract
Granular metal films were discussed and reviewed by Abeles et al. Here we discuss the electric conduction in thin films of silver particles dispersed in a matrix of Cs2O. It is a typical system of metallic particles dispersed in a semiconductor. A thin film of Cs2O several hundred Å thick was prepared on a glass substrate with silver electrodes on both sides in a vacuum tube. An amount of silver was deposited onto the film, then its photoemission was monitored during heat treatment to obtain thin film of silver particles dispersed in Cs2O. These procedures were repeated about ten times. Curves of log 1/R vs 1/T were plotted from measurements after each heat treatment. A preliminary explanation is presented in this paper.
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