Orientational states of C60 molecule in crystals

V. L. Aksenov, V. S. Shakhmatov, Yu A. Osip'yan

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Local symmetry of orientational states of the C60 molecule in crystals has been investigated. It was shown that the various orientational phase transitions in different crystals are related to different orientational orbits. The model of orientational phase transitions based on a sequence of orientational states with different symmetry properties has been suggested. We have found that both the local symmetry of C60 molecule and the symmetry of its internal vibrations become higher after a reduction of crystal spatial symmetry at the phase transition. This effect is fairly common and can be observed in the orientational order-disorder phase transitions with wave vectors at the Brillouin zone boundary. Feasible manifestations of the predicted effect in various experiments are discussed.

Original languageEnglish
Pages (from-to)591-597
Number of pages7
JournalJournal of Experimental and Theoretical Physics
Volume86
Issue number3
DOIs
Publication statusPublished - Mar 1998

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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