用castep中单晶晶格常数,如何判定三方晶系和三斜晶系的结构稳定性,最好能给予文献帮助,进行佐证! 返回小木虫查看更多
"Acoustic phonon instabilities and structural phase transitions"PHYSICAL REVIEW B VQLUME 13, NUMBER 11 JUNE 1976 , 4877
"Acoustic phonon instabilities and structural phase transitions"PHYSICAL REVIEW B VQLUME 13, NUMBER 11 JUNE 1976 , 4877
born标准,即弹性常数矩阵正定
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