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

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.
Authors:
; ; ; ; ;  [1] ;  [1] ;  [2]
  1. Department of Physical Sciences, University of Oulu, Box 3000, FI-90014 Oulu (Finland)
  2. (Sweden)
Publication Date:
OSTI Identifier:
22304292
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of Chemical Physics; Journal Volume: 140; Journal Issue: 20; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; ATOMS; FINE STRUCTURE; MIXING; PHOTOELECTRON SPECTROSCOPY; PHOTOIONIZATION; RUBIDIUM BROMIDES; SPECTRA; SYNCHROTRON RADIATION