Polymorphic transformation of Cu1.80Te crystals |
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| Authors: | Yu. I. Aliyev Yu. G. Asadov A. G. Babaev K. M. Jafarov F. G. Magerramova R. D. Aliyeva |
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| Affiliation: | 1.Abdullaev Institute of Physics,Academy of Sciences of Azerbaijan,Baku,Azerbaijan |
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| Abstract: | The polymorphic transformation of Cu1.80Te crystals has been studied by X-ray diffraction at temperatures from 290 to 1100 K. The low-temperature, hexagonal phase has been shown to transform to an fcc phase at 730 K. The transformation is reversible. From the temperature-dependent lattice parameters of the two phases, we have evaluated their thermal expansion coefficients. |
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