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Synthesis and Characterization of a KBaGd(MoO4)3:Er3+/Yb3+ Phosphor with a Scheelite-Like Structure

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Inorganic Materials Aims and scope

Abstract—

We have investigated phase relations along a number of joins in the subsolidus region of the K2MoO4–BaMoO4–Gd2(MoO4)3 system using X-ray diffraction and differential thermal analysis and constructed its phase compatibility diagram. A triple molybdate with the composition KBaGd(MoO4)3 and a monoclinic scheelite-like structure (sp. gr. P21/n) has been synthesized. Codoping KBaGd(MoO4)3 with Er3+/Yb3+ ions, we have obtained an upconversion phosphor exhibiting anti-Stokes luminescence in the range 400–700 nm under IR excitation (λex = 977 nm). The synthesized phosphor has been characterized by X-ray diffraction, differential thermal analysis, and vibrational spectroscopy, and its luminescence spectra have been measured.

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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. 0273-2021-0008).

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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. Synthesis and Characterization of a KBaGd(MoO4)3:Er3+/Yb3+ Phosphor with a Scheelite-Like Structure. Inorg Mater 58, 371–378 (2022). https://doi.org/10.1134/S0020168522040082

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