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Surface and bulk core level binding energy shifts in PtAu alloys

Hörnström, Sven Erik ; Johansson, Leif ; Flodström, Anders ; Nyholm, Ralf LU and Schmidt-May, Jens (1985) In Surface Science 160(2). p.561-570
Abstract

The surface core level shift of the 4f 7 2 level in a Pt2%Au and a Pt15%Au alloy has been investigated using high resolution synchrotron radiation excited photoelectron spectroscopy. The bulk and surface components in the recorded spectra have been extracted using a curve fitting procedure. The chemical shifts and the bulk-to-surface intensity ratios are consistent with a strong enrichments of Au to the alloy surfaces. The chemical shifts on nonsegregated surfaces have been measured on these alloys and on a Pt90%Au alloy using conventional XPS.

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author
; ; ; and
publishing date
type
Contribution to journal
publication status
published
in
Surface Science
volume
160
issue
2
pages
10 pages
publisher
Elsevier
external identifiers
  • scopus:4544347070
ISSN
0039-6028
DOI
10.1016/0039-6028(85)90794-0
language
English
LU publication?
no
id
221e4b2f-1c70-47f5-a488-c1c47e186ecc
date added to LUP
2016-08-19 11:18:43
date last changed
2025-10-14 12:34:20
@article{221e4b2f-1c70-47f5-a488-c1c47e186ecc,
  abstract     = {{<p>The surface core level shift of the 4f<sub> 7 2</sub> level in a Pt2%Au and a Pt15%Au alloy has been investigated using high resolution synchrotron radiation excited photoelectron spectroscopy. The bulk and surface components in the recorded spectra have been extracted using a curve fitting procedure. The chemical shifts and the bulk-to-surface intensity ratios are consistent with a strong enrichments of Au to the alloy surfaces. The chemical shifts on nonsegregated surfaces have been measured on these alloys and on a Pt90%Au alloy using conventional XPS.</p>}},
  author       = {{Hörnström, Sven Erik and Johansson, Leif and Flodström, Anders and Nyholm, Ralf and Schmidt-May, Jens}},
  issn         = {{0039-6028}},
  language     = {{eng}},
  month        = {{09}},
  number       = {{2}},
  pages        = {{561--570}},
  publisher    = {{Elsevier}},
  series       = {{Surface Science}},
  title        = {{Surface and bulk core level binding energy shifts in PtAu alloys}},
  url          = {{http://dx.doi.org/10.1016/0039-6028(85)90794-0}},
  doi          = {{10.1016/0039-6028(85)90794-0}},
  volume       = {{160}},
  year         = {{1985}},
}