Analysis of elastic constants and thermal energy of ionic materials

被引：0
|
作者：
Srivastava, S. K. [1 ]
机构：
[1] Geeta Inst Management & Technol, Kurukshetra 136118, Haryana, India
来源：
CANADIAN JOURNAL OF PHYSICS | 2011年 / 89卷 / 11期
关键词：
TEMPERATURE-DEPENDENCE; EXPANSION COEFFICIENT; GRUNEISEN-PARAMETER; LOWER MANTLE; SOLIDS; NACL; COMPRESSION; PRESSURE; CRYSTAL; STATE;
D O I：
10.1139/P11-105
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Expressions for the temperature dependence of elastic constants have been formulated by taking into account volume dependence of the Anderson-Gruneisen parameters. These expressions have been applied to ionic materials such as NaCl, KCl, MgO, and CaO to determine elastic constants at different temperatures. It is found that the linear relationship between isothermal bulk modulus and thermal energy (E(th)) is also applicable to other elastic constants. This linear relationship is valid, starting from room temperature.
引用
收藏
页码：1111 / 1117
页数：7
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