Deng X-Q, Yan Z-T, 2002, "Analysis of some two-parameter equations of state for the NaCl crystal" High Temperatures - High Pressures 34(4) 387 – 392
Analysis of some two-parameter equations of state for the NaCl crystal
Xiao-Qing Deng, Zu-Tong Yan
Received 17 January 2001, in revised form 14 October 2001
Abstract. An isothermal equation of state (EOS) for ionic crystal solids is derived by starting from the theory of interionic potential and the simple Born - Mayer potential model. A critical analysis of the two-parameter equations of state: Birch - Murnaghan EOS, Kumar EOS, Vinet EOS, Shanker EOS, and the one derived here, D - Y EOS, is presented by investigating the pressure - volume and isothermal bulk modulus data for the NaCl crystal. The results show that the D - Y EOS is in good agreement with the other EOSs and with experimental data up to very high pressures.
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