1ST-PRINCIPLES CALCULATION OF HEATS OF FORMATION FOR AU-CU, AU-PD AND AU-AG ALLOYS WITH THERMAL VIBRATION EFFECTS

被引:29
作者
MOHRI, T [1 ]
TAKIZAWA, S [1 ]
TERAKURA, K [1 ]
机构
[1] UNIV TOKYO, INST SOLID STATE PHYS, MINATO KU, TOKYO 147, JAPAN
关键词
D O I
10.1088/0953-8984/5/10/005
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
By employing the Debye-Gruneisen model, the lattice vibration effects are incorporated into the first-principles scheme to calculate the heats of formation of disordered phases for Au-based alloys. Significant improvement over the previous results without lattice vibration effects is achieved for the Au-Cu system; this can be attributed to the fairly strong temperature dependence of the bulk modulus of constituent elements.
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收藏
页码:1473 / 1480
页数:8
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