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In the present study, a theoretical model is developed by presenting the empirically modified extended form of the usual Tait equation of state to study the volume compression and elastic properties in nc-MgO under pressure. It is found that the extended form of usual Tait equation yields results very close to the experimental data. The validity of modified equation and usual Tait equation are tested...
The equation of state is a fundamental relation to analyse the thermophysical properties of different class of solids and it plays a key role in basic and applied condensed matter physics research. A lot of work has been done in the field of ionic solids, minerals and metals but a very little work is done in the field of inert gas solids. Most of the equations of state failed to explain the properties...
In the present paper the expression of cohesive energy and the bulk modulus as a function of volume are formulated for high-Tc copper oxide superconductors. The model employed consists of long-range electrostatic Coulomb interaction and short-range overlap repulsion. The short-range overlap potential is considered in the Born–Landé inverse power form. The model parameters of the Born–Landé model...
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