Abstract
A simple and straightforward theoretical model is developed to investigate the elastic properties of alkaline earth oxides under the effect of temperature as well as pressure. The calculation is performed with the help of high pressure-high temperature equation of state based on thermodynamic analysis. The anharmonic term arising due to thermal expansion has been taken into account in the expansion of logarithmic series of the thermodynamic data. The results obtained for alkaline earth oxides are discussed and compared with experimental data under the combined effect of high temperature and high pressure. The results are found to be in good agreement with available experimental results.
Highlights
The equation of state (EOS) gives us valuable information about the change in bulk under the influence of temperature at a fixed pressure and is related to the compression of solids
The studies based on the equation of state (EOS) are vide importance in physics as well as in chemistry and in the earth sciences [1, 2]
It is the necessary to know the effects of the temperature and pressure on the elastic properties of alkaline earth oxides (AEOs) throughout the upper mantle of the Earth for better understanding about its structure, compositions, and mineralogy
Summary
The equation of state (EOS) gives us valuable information about the change in bulk under the influence of temperature at a fixed pressure and is related to the compression of solids. The properties of alkaline earth oxides solids under varying conditions of temperature and pressure have attracted the attention of theoretical and experimental workers [3,4,5,6,7,8,9] because of their need in different branches of science [10].
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