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The heat capacity of cerium orthophosphate CePO4, the synthetic analogue of monazite

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Abstract

The heat capacity of CePO4 monazite-type structure was measured by the hybrid adiabatic relaxation method in the temperature range 0.5 to 320 K and by differential scanning calorimetry from 400 to 1370 K. A thermal anomaly was observed below T ≈ 4.5 K. A semi-empirical method has been used to describe the total specific heat as the sum of a lattice and an excess component. From the heat-capacity measurements, the thermodynamic functions of CePO4 were determined at the standard temperature of 298.15 K.

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Authors and Affiliations

  1. European Commission, Joint Research Centre, Institute for Transuranium Elements, 2340, 76125, Karlsruhe, Germany

    C. Thiriet, R. J. M. Konings & F. Wastin

  2. Department of Electron Structures, Charles University, Ke Karlovu 5, 121 16, Prague 2, The Czech Republic

    P. Javorský

Authors
  1. C. Thiriet
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  2. R. J. M. Konings
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  3. P. Javorský
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  4. F. Wastin
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Correspondence to C. Thiriet.

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Thiriet, C., Konings, R., Javorský, P. et al. The heat capacity of cerium orthophosphate CePO4, the synthetic analogue of monazite. Phys Chem Minerals 31, 347–352 (2004). https://doi.org/10.1007/s00269-004-0397-8

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  • DOI: https://doi.org/10.1007/s00269-004-0397-8

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