The effect of phonon anharmonicity on the thermophysical and elastic properties of palladium

被引：3
|
作者：
Povzner, A. A. [1 ]
Filanovich, A. N. [1 ]
Koneva, E. S. [1 ]
机构：
[1] Yeltsin Ural State Tech Univ UPI, Ekaterinburg 620002, Russia
来源：
HIGH TEMPERATURE | 2010年 / 48卷 / 03期
关键词：
TEMPERATURE; HEAT;
D O I：
10.1134/S0018151X10030090
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A self-consistent thermodynamic model is constructed, which describes the effect of anharmonicity of crystal lattice on heat capacity, coefficient of thermal expansion, density, and bulk modulus of palladium. Fairly good agreement with experimental data is obtained within the model being developed, and the contribution to heat capacity associated with the effect of anharmonicity is identified. Significant increase is demonstrated of the effect made by lattice anharmonicity on the thermo-physical properties in the region of temperatures significantly exceeding the Debye temperature.
引用
收藏
页码：358 / 362
页数：5
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