Abstract
The application of nanomaterials in modern technologies requires the study of its Grüneisen parameter. For this purpose, we have theoretically calculated the pressure, bulk modulus, and first order pressure derivative of bulk modulus at different compression ratios (V/V0). Further, we have tried to predict the variation of Grüneisen parameter with respect to compression ratio (V/V0) for ɣ-Fe2O3 nanomaterial. The Grüneisen parameter was calculated using the Borton and Stacey model at compressions up to V/V0 = 0.64. We have used three different equations of state: Birch- Murnaghan EOS, Brennan-Stacey EOS, and Vinet-Rydberg.
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