Thermophysical Characteristics of Single Crystals of Ba1 – x – yYbxRyF2 + x + y (R = Tm, Ho) Solid Solutions

S. V. Kuznetsov, V. A. Konyushkin, A. N. Nakladov,P. A. Popov, A. A. Pynenkov, K. N. Nishchev,A. A. Alexandrov

Inorganic Materials(2024)

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摘要
Single crystals of Ba1 – x – yYbxRyF2 + x + y (R = Tm, Ho) solid solutions have been grown by the Bridgman technique in vacuum using a CF4 fluorination atmosphere. We have measured their thermal conductivity in the range 50–300 K and their refractive index from the visible to IR spectral region. As the ytterbium content increases from 2 to 14 mol
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关键词
single crystals,fluorides,solid solutions,fluorite structure,upconversion luminescence standard
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