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Core level photoelectron spectroscopy probed heterogeneous xenon/neon clusters

Pokapanich, Wandared; Björneholm, Olle LU ; Öhrwall, Gunnar LU and Tchaplyguine, Maxim LU (2017) In Radiation Physics and Chemistry 135. p.45-48
Abstract

Binary rare gas clusters; xenon and neon which have a significant contrariety between sizes, produced by a co-expansion set up and have been studied using synchrotron radiation based x-ray photoelectron spectroscopy. Concentration ratios of the heterogeneous clusters; 1%, 3%, 5% and 10% were controlled. The core level spectra were used to determine structure of the mixed cluster and analyzed by considering screening mechanisms. Furthermore, electron binding energy shift calculations demonstrated cluster aggregation models which may occur in such process. The results showed that in the case of low mixing ratios of 3% and 5% of xenon in neon, the geometric structures exhibit xenon in the center and xenon/neon interfaced in the outer... (More)

Binary rare gas clusters; xenon and neon which have a significant contrariety between sizes, produced by a co-expansion set up and have been studied using synchrotron radiation based x-ray photoelectron spectroscopy. Concentration ratios of the heterogeneous clusters; 1%, 3%, 5% and 10% were controlled. The core level spectra were used to determine structure of the mixed cluster and analyzed by considering screening mechanisms. Furthermore, electron binding energy shift calculations demonstrated cluster aggregation models which may occur in such process. The results showed that in the case of low mixing ratios of 3% and 5% of xenon in neon, the geometric structures exhibit xenon in the center and xenon/neon interfaced in the outer shells. However, neon cluster vanished when the concentration of xenon was increased to 10%.

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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Co-expansion, Geometric structure, Mixed clusters, Rare gas, Synchrotron
in
Radiation Physics and Chemistry
volume
135
pages
4 pages
publisher
Elsevier
external identifiers
  • wos:000399846700008
  • scopus:85028253746
ISSN
0969-806X
DOI
10.1016/j.radphyschem.2017.02.056
language
English
LU publication?
yes
id
fb99e03b-1a51-4c00-9475-4386cc350470
date added to LUP
2017-04-05 07:26:26
date last changed
2018-10-03 12:09:47
@article{fb99e03b-1a51-4c00-9475-4386cc350470,
  abstract     = {<p>Binary rare gas clusters; xenon and neon which have a significant contrariety between sizes, produced by a co-expansion set up and have been studied using synchrotron radiation based x-ray photoelectron spectroscopy. Concentration ratios of the heterogeneous clusters; 1%, 3%, 5% and 10% were controlled. The core level spectra were used to determine structure of the mixed cluster and analyzed by considering screening mechanisms. Furthermore, electron binding energy shift calculations demonstrated cluster aggregation models which may occur in such process. The results showed that in the case of low mixing ratios of 3% and 5% of xenon in neon, the geometric structures exhibit xenon in the center and xenon/neon interfaced in the outer shells. However, neon cluster vanished when the concentration of xenon was increased to 10%.</p>},
  author       = {Pokapanich, Wandared and Björneholm, Olle and Öhrwall, Gunnar and Tchaplyguine, Maxim},
  issn         = {0969-806X},
  keyword      = {Co-expansion,Geometric structure,Mixed clusters,Rare gas,Synchrotron},
  language     = {eng},
  month        = {06},
  pages        = {45--48},
  publisher    = {Elsevier},
  series       = {Radiation Physics and Chemistry},
  title        = {Core level photoelectron spectroscopy probed heterogeneous xenon/neon clusters},
  url          = {http://dx.doi.org/10.1016/j.radphyschem.2017.02.056},
  volume       = {135},
  year         = {2017},
}