The influence of lattice deformation on the elastic properties of Mg2Si

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在各向同性的格子变丑下面的镁 silicide Mg2Si 的结构、有弹性的性质的详细理论研究基于第一原则的 pseudopotential 方法被执行了。当间接乐队差距 gT15-X1 在 104% 的范围上在 94%104% ,然后还原剂的一个范围以内增加时,结果为直接 15-1 和间接 15-L1 转变在精力差距在线性减少从 94% ~ 106% 结果显示出那各向同性的格子变丑。另外,从 94% ~ 106% 的各向同性的格子变丑也在 Mg2Si 的有弹性的常数和模量引起减少。而且,有从 94% ~
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