High pressure study of the 2D polymeric phase of C60 by means of Raman spectroscopy

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

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Abstract

The effect of high hydrostatic pressure, up to 12GPa, on the intramolecular phonon frequencies and the material stability of the two-dimensional tetragonal C60 polymer has been studied by means of Raman spectroscopy in the spectral range of the radial intramolecular modes (200-800cm-1). A number of new Raman modes appear in the spectrum for pressures ∼ 1.4 and ∼ 5.0 GPa. The pressure coefficients for the majority of the phonon modes exhibit changes to lower values at P= 4.0 GPa, which may be related to a structural modification of the 2D polymer to a more isotropic phase. The peculiarities observed in the Raman spectra are reversible and the material is stable in the pressure region investigated.

Original languageEnglish
Pages (from-to)145-151
Number of pages7
JournalHigh Pressure Research
Volume18
Issue number1-6
DOIs
Publication statusPublished - 2000 Jan 1

Keywords

  • 2D tetragonal polymer
  • Fullerenes
  • High pressure
  • Raman spectroscopy

ASJC Scopus subject areas

  • Condensed Matter Physics

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    Arvanitidis, J., Meletov, K. P., Kourouklis, G. A., Papagelis, K., Soldatov, A., Prassides, K., & Ves, S. (2000). High pressure study of the 2D polymeric phase of C60 by means of Raman spectroscopy. High Pressure Research, 18(1-6), 145-151. https://doi.org/10.1080/08957950008200961