| Autor: |
Mammadov, F. M., Niftiev, N. N., Jafarov, Ya. I., Babanly, D. M., Bakhtiyarly, I. B., Babanly, M. B. |
| Zdroj: |
Russian Journal of Inorganic Chemistry; Oct2022, Vol. 67 Issue 10, p1623-1633, 11p |
| Abstrakt: |
Phase equilibria in the MnTе–Ga2Tе3–In2Tе3 system were studied experimentally by thermal analysis and X-ray powder diffraction. A number of poltherms and the 800 K isotherm of the phase diagram were designed, and the liquidus projection as well. Primary crystallization fields of five phases, the types and coordinates of invariant and monovariant equilibria were determined. The continuous solid solution series that exists in the Ga2Tе3–In2Tе3 boundary system was found to considerably (to 30 mol %) protrude into the concentration triangle to form a broad homogeneity area. Extensive MnGa2Te4- and MnIn2Te4-base solid solutions were discovered. The AC electrical conductivity of MnGaInTe4 was studied. The electrical conductivity σ was found to fulfill the σ ~ f S (0.1 ≤ S ≤ 1.0) law at 295–363 K in the range 102–106 Hz, and the band hopping mechanism of conductivity in this crystal was elucidated. Activation energies were derived from relationships. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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