Photoelectron spectroscopy of germanium-fluorine binary cluster anions: The HOMO-LUMO gap estimation of Gen clusters

Y. Negishi, H. Kawamata, T. Hayase, M. Gomei, R. Kishi, F. Hayakawa, A. Nakajima, K. Kaya

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Abstract

Electronic properties of germanium-fluorine cluster anions (GenF-m; n = 1-11, m = 1-3) were studied using photoelectron spectroscopy (PES) with a magnetic-bottle type electron spectrometer. Compared between the PES of GenF- and those of the Ge-n, it was found that the doped F atom in GenF- deprives each Ge-n cluster of the excess electron without any serious rearrangement of the Gen framework. The F doping method enables us to estimate the HOMO-LUMO gap of the corresponding neutral Gen clusters (n = 4-11). For a diatomic GeF- cluster, furthermore, the vibrational structures could be resolved to determine its vibrational frequency.

Original languageEnglish
Pages (from-to)199-207
Number of pages9
JournalChemical Physics Letters
Volume269
Issue number3-4
DOIs
Publication statusPublished - 1997 May 2

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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