Relaxation contribution to shear moduli of the low-temperature phase of solid C60

被引:9
|
作者
Kobelev, NP [1 ]
机构
[1] Russian Acad Sci, Inst Solid State Phys, Chernogolovka 142432, Moscow oblast, Russia
关键词
D O I
10.1134/1.1434505
中图分类号
O469 [凝聚态物理学];
学科分类号
070205 ;
摘要
The relaxation contribution of the molecular reorientation in an elastic field of an acoustic wave to the effective shear moduli is calculated in the framework of the phenomenological two-level model of orientational states in the low-temperature phase of solid C-60. The polarity of the rotation axis of C-60 molecules and the possible existence of orientational domains in the structure of the low-temperature phase are taken into consideration. The estimates obtained are compared with the available experimental data. (C) 2002 MAIK "Nauka/Interperiodica".
引用
收藏
页码:195 / 198
页数:4
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