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Direct observation of the non-supported metal nanoparticle electron density of states by X-ray photoelectron spectroscopy

Tchaplyguine, Maxim LU ; Peredkov, Sergey LU ; Rosso, Aldana LU ; Schulz, Joachim LU ; Örhwall, Gunnar ; Lundwall, M ; Rander, T. ; Lindblad, A ; Bergensen, H and Pokapanich, W , et al. (2007) In European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics 45(2). p.295-299
Abstract
Synchrotron-based X-ray photoelectron spectroscopy on copper and silver cluster beams created by a magnetron-based gas-aggregation source has allowed mapping the electron density of states (DOS) of free metallic nanoparticles. The cluster DOS profiles obtained in the experiments strongly resemble the infinite solid DOS shapes, but the extracted cluster work-functions are lower than those for the bulk metal. The latter observation is explained by the initial negative charge on most of the clusters, created by the source.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics
volume
45
issue
2
pages
295 - 299
publisher
EDP Sciences
external identifiers
  • wos:000250136000014
  • scopus:35348829049
ISSN
1434-6060
DOI
10.1140/epjd/e2007-00252-0
language
English
LU publication?
yes
id
a53d3ff7-4266-4f9f-b275-7ee533d801d2 (old id 764090)
date added to LUP
2016-04-01 15:42:15
date last changed
2022-01-28 06:38:32
@article{a53d3ff7-4266-4f9f-b275-7ee533d801d2,
  abstract     = {{Synchrotron-based X-ray photoelectron spectroscopy on copper and silver cluster beams created by a magnetron-based gas-aggregation source has allowed mapping the electron density of states (DOS) of free metallic nanoparticles. The cluster DOS profiles obtained in the experiments strongly resemble the infinite solid DOS shapes, but the extracted cluster work-functions are lower than those for the bulk metal. The latter observation is explained by the initial negative charge on most of the clusters, created by the source.}},
  author       = {{Tchaplyguine, Maxim and Peredkov, Sergey and Rosso, Aldana and Schulz, Joachim and Örhwall, Gunnar and Lundwall, M and Rander, T. and Lindblad, A and Bergensen, H and Pokapanich, W and Svensson, S. and Ristinmaa Sörensen, Stacey and Mårtensson, Nils and Björnholm, Olle}},
  issn         = {{1434-6060}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{295--299}},
  publisher    = {{EDP Sciences}},
  series       = {{European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics}},
  title        = {{Direct observation of the non-supported metal nanoparticle electron density of states by X-ray photoelectron spectroscopy}},
  url          = {{http://dx.doi.org/10.1140/epjd/e2007-00252-0}},
  doi          = {{10.1140/epjd/e2007-00252-0}},
  volume       = {{45}},
  year         = {{2007}},
}