Polymorphic transformation in TlSe and the electrical properties of phases |
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| Authors: | A I Najafov G G Guseĭnov O Z Alekperov R M Sardarly A P Abdullaev N A Éyubova |
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| Institution: | (1) Institute of Radiation Problems, Azerbaijan National Academy of Sciences, ul. F. Agayeva 9, Baku, AZ 1143, Azerbaijan;(2) Institute of Physics, Azerbaijan National Academy of Sciences, pr. Dzhavida 33, Baku, AZ 1143, Azerbaijan |
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| Abstract: | Alloys in the TlSe-Se system on the side of the TlSe compound in the phase diagram have been investigated using differential thermal, X-ray powder diffraction, and microstructural analyses. The phase diagram of the system has been constructed, and the temperature dependences of the electrical conductivity of the phases obtained have been examined. An analysis of the thermograms of alloys in the (TlSe)0.96-Se0.04 system has revealed a structural phase transition at a temperature of 470 ± 1 K. Investigations into the temperature dependences of the electrical conductivity in the range 120–450 K have demonstrated that the temperature dependence of the electrical conductivity for the (TlSe)0.96-Se0.04 alloy exhibits metallic behavior. |
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