【摘要】 从离子势理论及简化的玻恩———梅尔势模型出发 ,使用J .Shanker等人提出的方法而得到离子晶体的等温态方程 .同时也得到等温体积弹性模量及它的一阶、二阶压强导数随体积变化而变化的关系表达式 .由数据分析、结果处理可知 ,在不存在压致转变的压强范围内 ,该方程能够精确地描述室温时氯化钠离子晶体在高压下的等温压缩行为 ,所得到的理论结果与实验数据直到高压30GPa时仍十分吻合更多还原

【Abstract】 An isothermal equation of state for NaCl crystal solid is derived by starting from the theory of interionic potential and the simple Bom-Mayer model, and using the method developed by J. Shanker et al. The expressions are obtained for isothermal bulk modulus and its first and second order derivatives. Numerical analysis is presented for a NaCl crystal up to 30 GPa. The results are found to present a fairly well agreement with the available experimental data as compared with results of the equations presented here.更多还原