Abstract

To determine analytically Ag solubility in ZnS or in CdSe monocrystals, Ag was diffused into the monocrystal at a fixed temperature T and under the defined component pressure p. In the region of sulfide phases, in ZnS the Ag solubility is complicated. It depends on activities of Ag2S, Ag and incorporation mechanisms. In the equilibrium of ZnS with metallic alloys, an increase of pZn causes the total outdiffusion of Ag. The high temperature electrical conductivity of silver doped CdSe single crystal was measured over the range from 500°C to 900°C. In the range, where conductivity decreases with the increase of pCd, the results may be explained by the decrease of solubility of Ag in CdSe. These results were in agreement with the data obtained by the analytical method.

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