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Specific heat capacities at constant pressure of polycrystalline and nanocrystalline , obtained by the model calculations and the experimental measurements, respectively. Inset: EXPERIMENTAL vs in the temperature range from 5 to 10 K, yielding a straight line with slope and intercept which are the coefficients of the electronic and lattice heat capacities of the material, respectively. is related to Debye temperature , by .
Gibbs free energies of polycrystalline (dashed line) and nanocrystalline counterpart (solid lines) with different grain sizes.
Three-dimensional descriptions of the enthalpy (a), entropy (b), and Gibbs free energy (c) as functions of the nanograin size and the temperature for the nanocrystalline alloy, the solid white lines denoting the isothermal curves at a temperature interval of 50 K.
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