The Grüneisen Parameter of NaCl at High Pressures and Temperatures: a Molecular Dynamics Study
CAI Ling-Cang, CHEN Qi-Feng, CUI Shou-Xin, JING Fu-Qian
Key Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics,PO Box 919-102, Mianyang 621900
The Grüneisen Parameter of NaCl at High Pressures and Temperatures: a Molecular Dynamics Study
CAI Ling-Cang;CHEN Qi-Feng;CUI Shou-Xin;JING Fu-Qian
Key Laboratory for Shock Wave and Detonation Physics Research, Institute of Fluid Physics,PO Box 919-102, Mianyang 621900
关键词 ：
91.60.-x ,
91.60.Fe ,
91.60.Gf
Abstract ： The isotherms and Grüneisen parameters are calculated by using the molecular dynamics (MD) method with an improved Tosi--Fumi pair potential. The results show that the approximate power law dependence of the Grüneisen parameter on compression γ = γ 0 (V/V0 )q , with q approximate 1.078, holds in the temperature range from 298 to 1073K and pressure range from 0 to 60GPa, and that the Grüneisen parameter for a given density of 2.16g/cm3 varies with temperature in a wind range from 300 to 10000K, expressed by γ = 1.052 + 0.582\exp( - T/4878.56).
Key words ：
91.60.-x
91.60.Fe
91.60.Gf
出版日期: 2005-02-01
引用本文:
CAI Ling-Cang;CHEN Qi-Feng;CUI Shou-Xin;JING Fu-Qian. The Grüneisen Parameter of NaCl at High Pressures and Temperatures: a Molecular Dynamics Study[J]. 中国物理快报, 2005, 22(2): 514-516.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2005/V22/I2/514
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