Low-temperature phase formation in CaF 2 –HoF 3  system

P. P. Fedorov; M. N. Mayakova; S. V. Kuznetsov; V. V. Voronov

doi:10.1134/S0036023617090078

Low-temperature phase formation in CaF₂–HoF₃ system

Authors: Fedorov P.P.¹, Mayakova M.N.¹, Kuznetsov S.V.¹, Voronov V.V.¹
Affiliations:
1. Prokhorov General Physics Institute
Issue: Vol 62, No 9 (2017)
Pages: 1173-1176
Section: Synthesis and Properties of Inorganic Compounds
URL: https://bakhtiniada.ru/0036-0236/article/view/167993
DOI: https://doi.org/10.1134/S0036023617090078
ID: 167993

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Abstract

Phase formation in CaF₂–HoF₃ system has been studied by coprecipitation followed by X-ray powder diffraction. Aqueous nitrate solutions have been used as initial substances, while hydrofluoric acid has been employed as fluorinating agent. Formation of hydrated nanophases: solid solution Ca_1–xHo_xF_{2 + x} (х ≤ 0.1) and HoF3 has been revealed. Dehydration proceeds on heating to 600°C.