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The valence band of free K clusters studied by photoelectron and Auger spectroscopies

Rosso, Aldana LU ; Öhrwall, Gunnar LU ; Canton, Sophie LU ; Legendre, S.; Bradeanu, I. L.; Svensson, S.; Bjorneholm, O. and Tchaplyguine, Maxim LU (2008) In European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics 50(2). p.165-169
Abstract
The valence states of free neutral potassium clusters produced by a gas aggregation source were probed by synchrotron radiation based photoelectron spectroscopy. The first ionization energy (IE) of the clusters was determined to be 10% larger than the work function of bulk potassium. Using electrostatic concepts and the IE, the mean size of the clusters was estimated to be approximate to 2000 atoms. Further information about the valence band was provided by investigation of the Auger process initiated by the ionization of the 3p level with a subsequent emission of an Auger electron from the valence band (M-2,M-3 VV). Plasmon satellites were observed in Auger spectra of free metal clusters.
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author
organization
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type
Contribution to journal
publication status
published
subject
keywords
73.22.-f Electronic structure of nanoscale materia, 36.40.-c Atomic and molecular clusters, 79.60.-i Photoemission and photoelectron spectra
in
European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics
volume
50
issue
2
pages
165 - 169
publisher
EDP Sciences
external identifiers
  • wos:000261656400005
  • scopus:58149214227
ISSN
1434-6060
DOI
10.1140/epjd/e2008-00210-4
language
English
LU publication?
yes
id
cad07a9c-14ed-4397-ba5d-70ec6c0455ec (old id 1383910)
date added to LUP
2009-05-08 17:18:47
date last changed
2017-01-01 05:26:48
@article{cad07a9c-14ed-4397-ba5d-70ec6c0455ec,
  abstract     = {The valence states of free neutral potassium clusters produced by a gas aggregation source were probed by synchrotron radiation based photoelectron spectroscopy. The first ionization energy (IE) of the clusters was determined to be 10% larger than the work function of bulk potassium. Using electrostatic concepts and the IE, the mean size of the clusters was estimated to be approximate to 2000 atoms. Further information about the valence band was provided by investigation of the Auger process initiated by the ionization of the 3p level with a subsequent emission of an Auger electron from the valence band (M-2,M-3 VV). Plasmon satellites were observed in Auger spectra of free metal clusters.},
  author       = {Rosso, Aldana and Öhrwall, Gunnar and Canton, Sophie and Legendre, S. and Bradeanu, I. L. and Svensson, S. and Bjorneholm, O. and Tchaplyguine, Maxim},
  issn         = {1434-6060},
  keyword      = {73.22.-f Electronic structure of nanoscale materia,36.40.-c Atomic and molecular clusters,79.60.-i Photoemission and photoelectron spectra},
  language     = {eng},
  number       = {2},
  pages        = {165--169},
  publisher    = {EDP Sciences},
  series       = {European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics},
  title        = {The valence band of free K clusters studied by photoelectron and Auger spectroscopies},
  url          = {http://dx.doi.org/10.1140/epjd/e2008-00210-4},
  volume       = {50},
  year         = {2008},
}