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Specific heat of KTiOPO4 within the 80–300 K range

  • Magnetism and Ferroelectricity
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Abstract

The specific heat of the KTiOPO4 crystal has been measured with a vacuum adiabatic calorimeter within the 80–300 K range. A peak-shaped anomaly in the specific heat indicating a phase transition has been revealed in the C p (T) curve at T≅279 K. Numerical integration of smoothened experimental C p (T) curves yielded the thermodynamic functions of KTiOPO4, namely, the entropy, enthalpy, and reduced Gibbs energy. The entropy and enthalpy of the observed transition have been determined.

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Authors and Affiliations

  1. Institute of Solid-State and Semiconductor Physics, National Academy of Sciences of Belarus, 220072, Minsk, Belarus

    A. U. Sheleg, T. I. Dekola, N. P. Tekhanovich & A. M. Luginets

Authors
  1. A. U. Sheleg
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  2. T. I. Dekola
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  3. N. P. Tekhanovich
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  4. A. M. Luginets
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Additional information

Fiz. Tverd. Tela (St. Petersburg) 41, 497–498 (March 1999)

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Sheleg, A.U., Dekola, T.I., Tekhanovich, N.P. et al. Specific heat of KTiOPO4 within the 80–300 K range. Phys. Solid State 41, 445–446 (1999). https://doi.org/10.1134/1.1130799

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  • DOI: https://doi.org/10.1134/1.1130799

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