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A dose dependence study of O-2 adsorbed on large Ar clusters

Rander, T.; Lindblad, A.; Lundwall, M.; Tchaplyguine, Maxim LU ; Ohrwall, G.; Svensson, S. and Bjorneholm, O. (2009) In Journal of Chemical Physics 130(22).
Abstract
An investigation of the behavior of O-2 molecules in and on O-2-doped large (< N > similar or equal to 8000) Ar host clusters has been performed by means of core and valence photoelectron spectroscopy. Data from pure O-2 and Ar clusters, as well as from O-2-doped Ar clusters, are presented. The experimental data together with calculations of the binding energy shifts of oxygen molecular ions in and on the surface of a large host Ar cluster show that the diffusion behavior has a strong dependence on the doping pressure. We conclude that the oxygen molecules in the doped Ar host do not partake in band formation, since there is clear vibrational resolution in the spectral features stemming from screened O-2(+) ions. This implies that... (More)
An investigation of the behavior of O-2 molecules in and on O-2-doped large (< N > similar or equal to 8000) Ar host clusters has been performed by means of core and valence photoelectron spectroscopy. Data from pure O-2 and Ar clusters, as well as from O-2-doped Ar clusters, are presented. The experimental data together with calculations of the binding energy shifts of oxygen molecular ions in and on the surface of a large host Ar cluster show that the diffusion behavior has a strong dependence on the doping pressure. We conclude that the oxygen molecules in the doped Ar host do not partake in band formation, since there is clear vibrational resolution in the spectral features stemming from screened O-2(+) ions. This implies that valence photoelectron spectroscopy can be used to determine the geometrical structure of this and certain, similar, cluster systems. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3148883] (Less)
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publication status
published
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in
Journal of Chemical Physics
volume
130
issue
22
publisher
American Institute of Physics
external identifiers
  • wos:000266968800013
  • scopus:67549084654
ISSN
0021-9606
DOI
10.1063/1.3148883
language
English
LU publication?
yes
id
41b0b695-c074-4dee-ac9b-4e176ad931f3 (old id 1441657)
date added to LUP
2009-07-27 15:46:26
date last changed
2017-01-01 04:58:08
@article{41b0b695-c074-4dee-ac9b-4e176ad931f3,
  abstract     = {An investigation of the behavior of O-2 molecules in and on O-2-doped large (&lt; N &gt; similar or equal to 8000) Ar host clusters has been performed by means of core and valence photoelectron spectroscopy. Data from pure O-2 and Ar clusters, as well as from O-2-doped Ar clusters, are presented. The experimental data together with calculations of the binding energy shifts of oxygen molecular ions in and on the surface of a large host Ar cluster show that the diffusion behavior has a strong dependence on the doping pressure. We conclude that the oxygen molecules in the doped Ar host do not partake in band formation, since there is clear vibrational resolution in the spectral features stemming from screened O-2(+) ions. This implies that valence photoelectron spectroscopy can be used to determine the geometrical structure of this and certain, similar, cluster systems. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3148883]},
  author       = {Rander, T. and Lindblad, A. and Lundwall, M. and Tchaplyguine, Maxim and Ohrwall, G. and Svensson, S. and Bjorneholm, O.},
  issn         = {0021-9606},
  language     = {eng},
  number       = {22},
  publisher    = {American Institute of Physics},
  series       = {Journal of Chemical Physics},
  title        = {A dose dependence study of O-2 adsorbed on large Ar clusters},
  url          = {http://dx.doi.org/10.1063/1.3148883},
  volume       = {130},
  year         = {2009},
}