Breakdown of ionic character of molecular alkali bromides in inner-valence photoionization

A. Karpenko, D. Iablonskyi, S. Urpelainen, J. A. Kettunen, W. Cao, M. Huttula, H. Aksela

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1 Citation (Scopus)


The inner-valence region of alkali bromide XBr (X=Li, Na, K, Rb) vapours has been studied experimentally by means of synchrotron radiation excited photoelectron spectroscopy. Experimental spectra were analyzed by comparing them with available theoretical results and previous experiments. Ionic character of alkali bromides is seen to change in the inner-valence region with increasing atomic number of the alkali atom. A mechanism involving mixing between Br 4s and Rb 4p orbitals has been suggested to account for the fine structure observed in inner-valence ionization region of RbBr.

Original languageEnglish
Article number204321
JournalJournal of Chemical Physics
Issue number20
Publication statusPublished - 2014 May 28

ASJC Scopus subject areas

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


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