Abstract
With the objective of exploring the unknown thermodynamic phase diagram of Bi1−xSrxMnO3 family, we present here an investigation of the temperature‐dependent (10 K<T<900 K) thermodynamic behavior of Bi1−xSrxMnO3 (x = 0.25, 0.30, 0.50). The specific heat values revealed by using modified RIM are in closer agreement with the available experimental data for some concentrations (x) of Bi1−xSrxMnO3. We report here probably for the first time the cohesive energy (φ) in orthorhombic perovskite phase, molecular force constant ( ƒ), Reststrahlen frequency (νo) and Gruneisen parameter (γ), Debye temperature (ΘD) and thermal expansion (α) of strontium doped BiMnO3.
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