Percolation shunting of an electrified surface

Results are presented of investigations of the surface relaxation of electret charge. It is established that when the electret is exposed to increased moisture, the charge transfer is of a percolation nature. Characteristics of the adsorption and growth of electrically conducting phase nuclei during the formation of a percolation cluster at an electrified surface are studied. The critical index of the correlation length of the percolation cluster is determined and shows good agreement with known theoretical estimates.

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