Twisting of α-quartz tetrahedra at pressures near the transition to the amorphous state

被引:6
作者
Goryainov, SV [1 ]
Ovsyuk, NN [1 ]
机构
[1] Russian Acad Sci, Inst Mineral & Petrog, Siberian Branch, Novosibirsk 630090, Russia
基金
俄罗斯基础研究基金会;
关键词
D O I
10.1134/1.568053
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
It is found that the main contribution to the distortion of alpha-quartz tetrahedra at high pressures is their twisting. It is shown that torsional vibrational modes lead to an instability that gives rise to amorphization of the structure. (C) 1999 American Institute of Physics. [S0021-3640(99)00806-3].
引用
收藏
页码:467 / 471
页数:5
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