Comparative Raman study of the 1D and 2D polymeric phases of C60 under pressure

J. Arvanitidis; K. P. Meletov; K. Papagelis; A. Soldatov; K. Prassides; G. A. Kourouklis; S. Ves

doi:10.1002/(SICI)1521-3951(199909)215:1<443::AID-PSSB443>3.0.CO;2-O

Comparative Raman study of the 1D and 2D polymeric phases of C₆₀ under pressure

J. Arvanitidis, K. P. Meletov, K. Papagelis, A. Soldatov, K. Prassides, G. A. Kourouklis, S. Ves

Advanced Institute for Materials Research (AIMR)

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

The effect of symmetry lowering on the phonon spectra as well as the pressure effects on the vibrational spectrum of polymerized C₆₀ were studied by Raman spectroscopy. Drastic changes related to the splitting of degenerate modes of the C₆₀ molecule were observed together with selected softening of some of them. In spite of many similarities in the Raman spectra of the one-(1D) and two-dimensional (2D) polymeric forms of C₆₀, some salient differences in the peak intensities and the appearance of complementary modes are evident. In the Raman spectrum of the 2D polymer under high pressure, new modes, which may be related to the deformations of molecular cages, appear. The observed pressure effects are reversible and the material remains stable for pressures up to 8.8 GPa.

Original language	English
Pages (from-to)	443-448
Number of pages	6
Journal	Physica Status Solidi (B) Basic Research
Volume	215
Issue number	1
DOIs	https://doi.org/10.1002/(SICI)1521-3951(199909)215:1<443::AID-PSSB443>3.0.CO;2-O
Publication status	Published - 1999 Sep

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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title = "Comparative Raman study of the 1D and 2D polymeric phases of C60 under pressure",

abstract = "The effect of symmetry lowering on the phonon spectra as well as the pressure effects on the vibrational spectrum of polymerized C60 were studied by Raman spectroscopy. Drastic changes related to the splitting of degenerate modes of the C60 molecule were observed together with selected softening of some of them. In spite of many similarities in the Raman spectra of the one-(1D) and two-dimensional (2D) polymeric forms of C60, some salient differences in the peak intensities and the appearance of complementary modes are evident. In the Raman spectrum of the 2D polymer under high pressure, new modes, which may be related to the deformations of molecular cages, appear. The observed pressure effects are reversible and the material remains stable for pressures up to 8.8 GPa.",

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AU - Arvanitidis, J.

AU - Meletov, K. P.

AU - Papagelis, K.

AU - Soldatov, A.

AU - Prassides, K.

AU - Kourouklis, G. A.

AU - Ves, S.

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AB - The effect of symmetry lowering on the phonon spectra as well as the pressure effects on the vibrational spectrum of polymerized C60 were studied by Raman spectroscopy. Drastic changes related to the splitting of degenerate modes of the C60 molecule were observed together with selected softening of some of them. In spite of many similarities in the Raman spectra of the one-(1D) and two-dimensional (2D) polymeric forms of C60, some salient differences in the peak intensities and the appearance of complementary modes are evident. In the Raman spectrum of the 2D polymer under high pressure, new modes, which may be related to the deformations of molecular cages, appear. The observed pressure effects are reversible and the material remains stable for pressures up to 8.8 GPa.

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