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Erbium-Doped Upconversion Phosphor in the K2MoO4–BaMoO4–Lu2(MoO4)3 System

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Abstract—

We have investigated phase relations in the subsolidus region of the K2MoO4–BaMoO4–Lu2(MoO4)3 system using X-ray diffraction and differential thermal analysis and constructed its phase compatibility diagram. A triple molybdate with the composition KBaLu(MoO4)3 and a monoclinic scheelite-like structure (sp. gr. P21/n) has been synthesized. Doping KBaLu(MoO4)3 with Er3+ ions, we have obtained an 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 vibrational spectroscopy.

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Funding

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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  1. Baikal Institute of Nature Management, Siberian Branch, Russian Academy of Sciences, 670047, Ulan-Ude, Buryat Republic, Russia

    N. M. Kozhevnikova

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Correspondence to N. M. Kozhevnikova.

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Translated by O. Tsarev

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Kozhevnikova, N.M. Erbium-Doped Upconversion Phosphor in the K2MoO4–BaMoO4–Lu2(MoO4)3 System. Inorg Mater 57, 171–177 (2021). https://doi.org/10.1134/S002016852101009X

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