PHASEFORMATION IN THE SYSTEM InAs2S3Se–InAs2Se3S AND PROPERTIES OF OBTAINED PHASES

I.I.Aliyev, O.M.Aliyev, R.S.Mahammadrahimova

Compound InAs₂S₂Se₂ was found during studying the system InAs₂S₃Se–InAs₂Se₃S. It was established that the compound InAs₂S₂Se₂ melts congruently at 615 K. crystallizes in tetragonal syngony with lattice parameters: а=9.22±0.01, с=5.81±0.002 Å; Z=3. Coordinates of eutectic points: 40 mol % InAs₂Se₃S, Т=548 K and 60 mol % InAs₂Se₃S, Т=580 K. Narrow solid solution ranges are formed on the basis of primary components. Solid solutions based on InAs₂S₃Se at room temperature reach up to 5 mol %, but on the basis of InAs₂Se₃S – up to10 mol %

https://doi.org/10.32737/0005-2531-2019-2-44-47

Keywords : system, quasi–binary, solid solution, syngony, microhardness

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