Tl4PbTe3-Tl9SmTe6 SYSTEM

Ganira I. Alakbarzade; Samira Z. Imamaliyeva; Dunya Mahammad Babanly

doi:10.17308/kcmf.2017.19/225

Ganira I. Alakbarzade PhD student of Institute of Catalysis and Inorganic Chemistry, Azerbaijan National Academy of Sciences, Scientific Fellow of Azerbaijan State Oil and Industry University; ph.: (+994) 552148200, e-mail: samira@mail.com
Samira Z. Imamaliyeva PhD in Chemistry, Assistance Professor, Institute of Catalysis and Inorganic Chemistry, Azerbaijan National Academy of Sciences; ph.: (+994) 5053681 27, e-mail: samira9597a@gmail.com
Dunya Mahammad Babanly PhD in Chemistry, Assistance Professor, Institute of Catalysis and Inorganic Chemistry, Azerbaijan National Academy of Sciences; ph.: (+994) 556152575, e-mail: dunyababanly2012@gmail.com

DOI: https://doi.org/10.17308/kcmf.2017.19/225

Keywords: thallium-lead telluride, thallium-samarium tellurides, phase equilibria, solid solutions, crystal structure

Abstract

The aim of the present study was to determine the phase relations in the Tl-Pb-Sm-Te quaternary system on the Tl₄PbTe₃-Tl₉SmTe₆composition area. According to the results obtained by the differential thermal analysis, powder X-ray diffraction technique and microhardness measurements, the system is characterized by the formation of unlimited areas of solid solutions which crystallize in the tetragonal Tl₅Te₃structure type. Receive experimental data can be used for choosing the composition of solution-melt for the growth of high-quality crystals of δ- phase which are of interest like thermoelectric materials.

ACKNOWLEDGMENT

The work has been carried out within the framework of the international joint research laboratory “Advanced Materials for Spintronics and Quantum Computing” (AMSQC) established between Institute of Catalysis and Inorganic Chemistry of ANAS (Azerbaijan) and Donostia International Physics Center (Basque Country, Spain).

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