Abstract
The results of studying the temperature-induced polymorphic phase transformations in Cu1.50Zn0.30Te and Cu1.75Cd0.05Te single crystals are presented. The single crystals have been investigated in the range of 290–1100 K using X-ray diffraction analysis. The temperature dependences of the unit-cell parameters, X-ray density, and coefficients of thermal expansion for each polymorphic modification of Cu1.50Zn0.30Te and Cu1.75Cd0.05Te single crystals are presented. The influence of cationic substitution (replacement of Cu2+ with Zn2+ and Cd2+ cations) on the phase-formation processes, number of polymorphic modifications, and temperature of structural phase transition in single crystals of these solid solutions is demonstrated.
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