Relaxation contribution to shear moduli of the low-temperature phase of solid C60 |
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Authors: | N. P. Kobelev |
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Affiliation: | (1) Institute of Solid-State Physics, Russian Academy of Sciences, Chernogolovka, Moscow oblast, 142432, Russia |
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Abstract: | 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 C60. The polarity of the rotation axis of C60 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. |
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