High temperature electrical conductivity in the Cu solubility limit range in ZnS : Cu

The high temperature electrical conductivity (HTEC) and the solubility of Cu in Cu-doped ZnS single crystals are investigated in the temperature range from 973 to 1373 K as a function of Zn and S 2 vapour pressure. In equilibrium of ZnS with Cu 2S, the solubility of Cu is independent of the zinc vap...

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Bibliographic Details
Published in:Journal of crystal growth 1999-02, Vol.197 (3), p.489-492
Main Authors: Lott, K., Raukas, M., Vishnjakov, A., Grebennik, A.
Format: Article
Language:English
Subjects:
Chemical solubility limit
Cu-doped ZnS
Defect equilibria
High temperature electrical conductivity
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Summary:The high temperature electrical conductivity (HTEC) and the solubility of Cu in Cu-doped ZnS single crystals are investigated in the temperature range from 973 to 1373 K as a function of Zn and S 2 vapour pressure. In equilibrium of ZnS with Cu 2S, the solubility of Cu is independent of the zinc vapour pressure and decreases by several orders of magnitude in equilibrium with Cu–Zn alloys. The change in solubility of Cu influences the HTEC isotherms and is expressed as the change of the type of dominating defects.
ISSN:0022-0248
1873-5002
DOI:10.1016/S0022-0248(98)00792-1