Abstract—
Using available fragmentary experimental data, we have constructed an isothermal subsolidus composition diagram of the Zn3As2–Cd3As2–Ge–As system and identified the phases involved in stable equilibria with a chalcopyrite solid solution. A consistent model has been proposed for the splitting of the chalcopyrite phase region into Zn1 –xCdxGeAs2 (0 ≤ x < 1) and Cd1 –yZnyGeAs2 (0 ≤ y <1) polyhedra in the Zn–Cd–Ge–As tetrahedron, and the 25 at % Ge section of the Zn–Cd–Ge–As tetrahedron has been mapped out.
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This work was supported by the Russian Federation Ministry of Science and Higher Education (state research target for the Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences; basic research).
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Translated by O. Tsarev
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Nipan, G.D., Aronov, A.N. Splitting of the Chalcopyrite Polyhedron in an Isothermal Zn–Cd–Ge–As Tetrahedron. Inorg Mater 56, 111–115 (2020). https://doi.org/10.1134/S0020168520020144
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DOI: https://doi.org/10.1134/S0020168520020144