TEST OF A PAIRWISE ADDITIVE IONIC POTENTIAL MODEL FOR SILICA

被引:33
作者
DELLAVALLE, RG [1 ]
ANDERSEN, HC [1 ]
机构
[1] STANFORD UNIV,DEPT CHEM,STANFORD,CA 94305
关键词
D O I
10.1063/1.460541
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Lattice dynamics calculations have been performed for crystalline SiO2, using the two-body potential model developed by Tsuneyuki et al. [Phys. Rev. Lett. 61, 869 (1988)]. The computed phonon frequencies agree reasonably well with experiment. Minor deficiencies suggest that the Si-O force constant obtained from the model is too weak.
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页码:5056 / 5060
页数:5
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