Theory of SiO2 polymorphs

被引:20
作者
Dmitriev, V
Torgashev, V
Toledano, P
Salje, EKH
机构
[1] UNIV AMIENS,DEPT PHYS,F-80039 AMIENS,FRANCE
[2] UNIV CAMBRIDGE,DEPT EARTH SCI,CAMBRIDGE CB2 3EQ,ENGLAND
来源
EUROPHYSICS LETTERS | 1997年 / 37卷 / 08期
关键词
D O I
10.1209/epl/i1997-00190-3
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
The ordered structures of SiO2 are shown to derive from a common parent disordered BCC structure having different fractional concentrations of SiO2 molecules. This result gives an insight on the pressure-induced amorphisation mechanism of alpha-quartz and coesite.
引用
收藏
页码:553 / 558
页数:6
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