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Nature of vibrational excitations in vitreous silica

被引：223
作者：
Taraskin, SN
Elliott, SR
机构：
[1] Department of Chemistry, University of Cambridge, Cambridge CB2 1EW, Lensfield Road
来源：
PHYSICAL REVIEW B | 1997年 / 56卷 / 14期
关键词：
D O I：
10.1103/PhysRevB.56.8605
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The vibrational properties of models of vitreous silica constructed by molecular-dynamics simulation with different interatomic potentials have been investigated. The static and dynamical structure factors of the model systems are in good agreement with experimental data. Partial and total vibrational densities of states are presented. The characteristics of vibrational modes in different frequency ranges are investigated using a mode-projection technique.
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页码：8605 / 8622
页数：18
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