Abstract
We report the temperature dependence of specific heat and thermal expansion of Y0.15Sr0.85CoO3−δ in the temperature range 1K ≤ T ≤ 400K by means of a Modified Rigid Ion Model (MRIM). The specific heat values presented in this work by using MRIM are in good agreement with the experimental data. In addition, the results on cohesive energy (φ), Reststrahlen frequency (υ), Debye temperature (θD) and Gruneisen parameter (γ) are also presented. The calculated value of Debye temperature is 390.3K and it is in good agreement with reported value of 391K.
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