Abstract—
We have investigated subsolidus phase equilibria in the Li2MoO4–BaMoO4–Y2(MoO4)3 system and constructed its phase compatibility diagram. A ternary molybdate with the composition Li3Ba2Y3(MoO4)8 and a monoclinic scheelite-like structure (sp. gr. C2/c) has been identified on the BaMoO4–LiY(MoO4)3 join. Doping Li3Ba2Y3(MoO4)8 with Er3+ ions, we obtained a Li3Ba2Y2.85Er0.15(MoO4)8 upconversion phosphor possessing efficient anti-Stokes luminescence in the range 530–850 nm under IR excitation (λex = 977 nm). The synthesized phosphor has been characterized by X-ray diffraction, differential thermal analysis, and IR spectroscopy.
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This work was supported by the Russian Federation Ministry of Science and Higher Education (state research target for the Baikal Institute of Nature Management, Siberian Branch, Russian Academy of Sciences, project no. 0339-2016-007).
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Translated by O. Tsarev
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Kozhevnikova, N.M., Batueva, S.Y. Erbium-Doped Upconversion Phosphor in the Li2MoO4–BaMoO4–Y2(MoO4)3 System. Inorg Mater 56, 286–291 (2020). https://doi.org/10.1134/S0020168520030085
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DOI: https://doi.org/10.1134/S0020168520030085