Abstract—
This paper presents the first structural data for Cu2 – xMnSnS4 (0 < x ≤ 0.10) copper-deficient solid solutions based on the Cu2MnSnS4 quaternary compound. It has been shown for the first time that the band peaking at 1.26 eV in the 78-K cathodoluminescence spectrum of Cu2MnSnS4 is most likely due to CuMn and MnCu antisite defects resulting from mutual substitutions of atoms on the copper and manganese sites in the stannite structure and that the spectra of Cu2 – xMnSnS4 contain a band peaking at 1.21 eV and arising from Cu2+⋅VCu defect associates.
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Funding
This work was supported by the Russian Federation Ministry of Science and Higher Education, state research target nos. AAAA-A19-119070790003-7 and AAAA-A19-119092390076-7.
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Translated by O. Tsarev
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Gapanovich, M.V., Odin, I.N., Chukichev, M.V. et al. Structural Data and Luminescence Properties of Cu2 – xMnSnS4 (0 < x ≤ 0.10) Copper-Deficient Solid Solutions Based on the Cu2MnSnS4 Quaternary Compound. Inorg Mater 57, 987–991 (2021). https://doi.org/10.1134/S0020168521100034
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DOI: https://doi.org/10.1134/S0020168521100034