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Large grain polycrystalline and single crystals of Znx Cd l _ x Te grown by a modified Bridgman method were studied using the photoluminescence and photoconductivity techniques. The temperature dependence of the band gap, as determined by photoluminescence, follows the Varshni equation for measuring temperature in the range of 15-290 K. One of the fitted parameters, the Debye temperature, monotonically decreases with the increase of the atomic zinc concentration. A close correlation between thedoi:10.1116/1.576785 fatcat:26wx6z7hlbho5gjchk4a4hjwxa