Elastic moduli of single-crystal C60

被引:42
|
作者
Kobelev, NP [1 ]
Nikolaev, RK [1 ]
Soifer, YM [1 ]
Khasanov, SS [1 ]
机构
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow District, Russia
关键词
D O I
10.1134/1.1130260
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The matrix of elastic constants of the fee phase of solid C-60 has been determined experimentally from measurements of the the velocity of 5 MHz ultrasound in single-crystal samples with different crystallographic orientations. The following values were obtained for the elastic moduli: C-11= 14.9 +/- 0.9 GPa, C-12 = 8.8 +/- 1.0 GPa, and C-44 = 6.6 +/- 0.18 GPa. The results are compared with theoretical estimates of the elastic moduli and data obtained in previous measurements of the elastic characteristics of solid C-60. (C) 1998 American Institute of Physics.
引用
收藏
页码:154 / 156
页数:3
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