Density dependence of fermi resonance of supercritical carbon dioxide

Y. Yagi, H. Tsugane, H. Inomata, S. Saito

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Infrared spectra of supercritical carbon dioxide were measured at various pressures and temperatures. The Fermi resonance absorbance of supercritical CO2 was influenced by pressure and temperature. The absorbance data revealed that the density dependence of Fermi resonance in the vicinity of the critical point was different from that in the region far from the critical point and was found to be related to that of the isothermal compressibility.

Original languageEnglish
Pages (from-to)139-142
Number of pages4
JournalThe Journal of Supercritical Fluids
Volume6
Issue number3
DOIs
Publication statusPublished - 1993 Sep

Keywords

  • Fermi resonance
  • infrared spectra
  • supercritical CO

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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