Model of silica glass from combined classical and ab initio molecular-dynamics simulations

被引:116
作者
Benoit, M [1 ]
Ispas, S [1 ]
Jund, P [1 ]
Jullien, R [1 ]
机构
[1] Univ Montpellier 2, Lab Verres, F-34095 Montpellier, France
关键词
D O I
10.1007/s100510050079
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
A Car-Parrinello (CP) molecular dynamics simulation of vitreous silica, combined with classical molecular dynamics. is presented. The equilibration of the liquid, quench and relaxation of the glass are performed classically using the van Beest, Kramer and van Santen (BKS) potential [12] and the resulting configuration (coordinates and velocities) is used as input for the CP simulation. A remarkable stability of the CP dynamics is observed justifying this procedure and validating the BKS potential. Several structural and electronic properties are calculated and compared with experiments.
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收藏
页码:631 / 636
页数:6
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