Inner Vibrational Modes and Anhar Monicity of Mg-Oh- Complexes in Naf Single Crystals

R. Capelletti, E. Colombi, R. Fieschi, A. Gainotti, W. Beall Fowler, I. Földvári

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

Different inner vibrational modes (stretching, bending and their combination) of the OH- ion perturbed by lattice defects induced by Mg2+ in NaF have been put in evidence and studied by means of optical absorption spectroscopy in the 600–7200 cm-1 wavenumber range, in the 9–300K temperature range, and for Mg2+ molar concentration ranging between 10“4 and 10~3. Electrical and mechanical anharmonicity effects have been detected for the stretching modes and analyzed in the framework of the anharrnonic oscillator model for a diatomic molecule.

Original languageEnglish
Pages (from-to)319-324
Number of pages6
JournalRadiation Effects and Defects in Solids
Volume119-121
Issue number1
DOIs
Publication statusPublished - 1991

ASJC Scopus subject areas

  • Materials Science(all)
  • Nuclear and High Energy Physics
  • Radiation
  • Condensed Matter Physics

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