SUBSTITUTIONAL IMPURITIES AND PHONON DENSITY-OF-STATES - A SUPERCELL STUDY OF AL-MG ALLOYS

被引：1
|
作者：
ROCHE, M
机构：
[1] Centre de Thermodynamique et de Microcalorimetrie, CNRS, Marseille
来源：
JOURNAL OF PHYSICS-CONDENSED MATTER | 1995年 / 7卷 / 15期
关键词：
D O I：
10.1088/0953-8984/7/15/004
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The effect of Mg impurities on the FCC Al density of states in phonons is treated directly by introducing Mg in supercells of increasing size. A simple substitutional impurity is treated first, and the method is compared to the more usual Green function approach. Small clusters are then studied, and the additivity of pair effects on the lattice specific heat of the alloy is considered.
引用
收藏
页码：2969 / 2978
页数：10
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