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Fluorite-Like Phases Based on Barium and Rare-Earth Fluorides

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Abstract

Optically transparent single-crystal blocks are prepared by the fusion of a barium fluoride charge with yttrium and erbium fluorides using sodium fluoride as a flux. The crystal structures were solved and composition of the following phases were determined: Na0.75Ba1.26Er1.99F9.24 (cubic crystal system, \(Fm\bar{3}m\) space group, a = 11.4192(4) Å), Na0.25BaY2.75F10.5 (cubic crystal system, \(Fm\bar{3}m\) space group, a = 11.4350(19) Å), Na0.05Ba0.9Y1.05F5 (orthorhombic crystal system, Cmmm space group, a = 5.7205(5) Å, b = 17.2348(11) Å, c = 5.7648 (4) Å).

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Funding

This work was funded by the Russian Science Foundation (project No. 22-13-00167).

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Authors and Affiliations

  1. Prokhorov General Physics Institute, Russian Academy of Sciences, Moscow, Russia

    P. P. Fedorov, A. A. Aleksandrov, S. V. Kuznetsov & V. A. Konyushkin

  2. Kola Science Center, Russian Academy of Sciences, Apatity, Russia

    S. V. Volkov & Y. A. Vaitieva

  3. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, Russia

    A. A. Aleksandrov

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Correspondence to P. P. Fedorov.

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Russian Text © The Author(s), 2024, published in Zhurnal Strukturnoi Khimii, 2024, Vol. 65, No. 5, 126843.https://doi.org/10.26902/JSC_id126843

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Fedorov, P.P., Volkov, S.V., Vaitieva, Y.A. et al. Fluorite-Like Phases Based on Barium and Rare-Earth Fluorides. J Struct Chem 65, 967–978 (2024). https://doi.org/10.1134/S002247662405010X

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