Journal
JOURNAL OF MOLECULAR MODELING
Volume 24, Issue 6, Pages -Publisher
SPRINGER
DOI: 10.1007/s00894-018-3666-z
Keywords
Electronic structure; Perovskite; Mechanical and thermal properties
Categories
Funding
- Research Center of Female Scientific and Medical Colleges, King Saud University
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Density functional theory (DFT)-based investigations have been put forward on the elastic, mechanical, and thermo-dynamical properties of BaPaO3. The pressure dependence of electronic band structure and other physical properties has been carefully analyzed. The increase in Bulk modulus and decrease in lattice constant is seen on going from 0 to 30 GPa. The predicted lattice constants describe this material as anisotropic and ductile in nature at ambient conditions. Post-DFT calculations using quasi-harmonic Debye model are employed to envisage the pressure-dependent thermodynamic properties like Debye temperature, specific heat capacity, Gruneisen parameter, thermal expansion, etc. Also, the computed Debye temperature and melting temperature of BaPaO3 at 0 K are 523 K and 1764.75 K, respectively.
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