GROUND-STATE STRUCTURAL AND DYNAMIC PROPERTIES OF SOLID C-60 FROM AN EMPIRICAL INTERMOLECULAR POTENTIAL

被引:78
作者
LI, XP
LU, JP
MARTIN, RM
机构
[1] UNIV ILLINOIS,DEPT PHYS,URBANA,IL 61801
[2] UNIV ILLINOIS,MAT RES LAB,URBANA,IL 61801
来源
PHYSICAL REVIEW B | 1992年 / 46卷 / 07期
关键词
D O I
10.1103/PhysRevB.46.4301
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A simple intermolecular potential is constructed to describe solid C60. The structural and elastic properties are calculated and show good agreement with available experimental results. Phonon-dispersion curves and density of states are predicted. The librational modes are found to be between 10 and 20 cm-1 and the highest vibrational mode is at 45 cm-1. The phonon density of states is used to calculate the specific heat, which agrees reasonably well with experiment.
引用
收藏
页码:4301 / 4303
页数:3
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