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Thermal Conductivity of Sr1 – xBaxF2 Single Crystals

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Abstract—

The thermal conductivity κ of single crystals of the Sr1–xBaxF2 fluorite solid solution series has been measured in the temperature range 50–300 K by an absolute steady-state axial heat flow technique. The thermal conductivity has been shown to decrease with increasing temperature. Its composition dependences have a minimum at intermediate compositions. The congruently melting composition Sr0.34Ba0.66F2, corresponding to the minimum in liquidus curves, has κ = 15.2 W/(m K) at 50 K and 2.95 W/(m K) at 300 K.

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Authors and Affiliations

  1. Petrovskii State University, 241036, Bryansk, Russia

    P. A. Popov & A. A. Krugovykh

  2. Prokhorov General Physics Institute, Russian Academy of Sciences, 119991, Moscow, Russia

    V. A. Konyushkin, A. N. Nakladov, S. V. Kuznetsov & P. P. Fedorov

Authors
  1. P. A. Popov
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  2. A. A. Krugovykh
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  3. V. A. Konyushkin
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  4. A. N. Nakladov
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  5. S. V. Kuznetsov
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  6. P. P. Fedorov
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Correspondence to P. P. Fedorov.

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Popov, P.A., Krugovykh, A.A., Konyushkin, V.A. et al. Thermal Conductivity of Sr1 – xBaxF2 Single Crystals. Inorg Mater 57, 629–633 (2021). https://doi.org/10.1134/S002016852106008X

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  • DOI: https://doi.org/10.1134/S002016852106008X

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