Some Features of Silver Injection into a Glass

S. L. Kraevskii and V. F. Solinov

Research Institute of Technical Glass, ul. Krzhizhanovskogo 29, Moscow, 117218 Russia

Received June 4, 1997

Abstract—The processes occurring in sodium–tungsten phosphate glass with the vacuum-evaporated silver
film serving as an anode are investigated. It is found that, with a point current supply to the electrode, the current
passing through the sample remains constant until the film disappears completely. The conclusion is made that
both the silver ions and electrons are injected from the anode into the glass to form a new transparent electrode
in the near-surface glass region. Thereafter, the water-involving reactions at the resultant electrode are respon-
sible for the current passing through the glass.

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