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Growth and structure of ultrathin praseodymium oxide layers on ruthenium(0001)

Höcker, Jan ; Krisponeit, Jon-Olaf ; Cambeis, Julian ; Zakharov, Alexei LU ; Niu, Yuran LU ; Wei, Gang ; Colombi Ciacchi, Lucio ; Falta, Jens ; Schaefer, Andreas LU and Flege, Jan Ingo (2016) In Physical Chemistry Chemical Physics
Abstract
The growth, morphology, structure, and stoichiometry of ultrathin praseodymium oxide layers on Ru(0001) were studied using low-energy electron microscopy and diffraction, photoemission electron microscopy, atomic force microscopy, and X-ray photoelectron spectroscopy. At a growth temperature of 760 [degree]C, the oxide is shown to form hexagonally close-packed (A-type) Pr2O3(0001) islands that are up to 3 nm high. Depending on the local substrate step density, the islands either adopt a triangular shape on sufficiently large terraces or acquire a trapezoidal shape with the long base aligned along the substrate steps.
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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Chemistry Chemical Physics
publisher
Royal Society of Chemistry
external identifiers
  • scopus:85024125481
  • wos:000395328100006
ISSN
1463-9076
DOI
10.1039/C6CP06853G
language
English
LU publication?
yes
id
6169bbd6-7f29-4a00-bb60-622c121b2570
date added to LUP
2016-11-30 11:47:44
date last changed
2025-10-14 12:57:26
@article{6169bbd6-7f29-4a00-bb60-622c121b2570,
  abstract     = {{The growth, morphology, structure, and stoichiometry of ultrathin praseodymium oxide layers on Ru(0001) were studied using low-energy electron microscopy and diffraction, photoemission electron microscopy, atomic force microscopy, and X-ray photoelectron spectroscopy. At a growth temperature of 760 [degree]C, the oxide is shown to form hexagonally close-packed (A-type) Pr2O3(0001) islands that are up to 3 nm high. Depending on the local substrate step density, the islands either adopt a triangular shape on sufficiently large terraces or acquire a trapezoidal shape with the long base aligned along the substrate steps.}},
  author       = {{Höcker, Jan and Krisponeit, Jon-Olaf and Cambeis, Julian and Zakharov, Alexei and Niu, Yuran and Wei, Gang and Colombi Ciacchi, Lucio and Falta, Jens and Schaefer, Andreas and Flege, Jan Ingo}},
  issn         = {{1463-9076}},
  language     = {{eng}},
  month        = {{11}},
  publisher    = {{Royal Society of Chemistry}},
  series       = {{Physical Chemistry Chemical Physics}},
  title        = {{Growth and structure of ultrathin praseodymium oxide layers on ruthenium(0001)}},
  url          = {{http://dx.doi.org/10.1039/C6CP06853G}},
  doi          = {{10.1039/C6CP06853G}},
  year         = {{2016}},
}