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Publikováno v:
Inorganic Materials. 57:1-7
Crystallographic characteristics of the Cu2MgSnSe4 quaternary compound and Cu2 – xMgSnSe4 (0 < x ≤ 0.15) copper-deficient solid solutions have been determined for the first time. It has been shown that the band peaking at 1.39 eV in the 78-K cath