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Single-component surface in binary self-assembled NaK nanoalloy clusters

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Author

Summary, in English

Free metallic nanoalloy clusters created in a self-assembling process out of sodium and potassium mixed vapor have been studied by synchrotron-based photoelectron spectroscopy. The clusters are shown to consist of an alloy core surrounded by a surface layer containing only K in a range of conditions from K-rich to Na-rich nanoalloys. The size of the clusters as well as the fraction of the elements has been estimated from the spectra using our results on pure clusters. The mechanism behind the observed structure is discussed in terms of the total cohesive-energy minimization.

Publishing year

2009

Language

English

Publication/Series

Physical Review B (Condensed Matter and Materials Physics)

Volume

80

Issue

3

Document type

Journal article

Publisher

American Physical Society

Topic

  • Physical Sciences
  • Natural Sciences
  • Atom and Molecular Physics and Optics

Status

Published

ISBN/ISSN/Other

  • ISSN: 1098-0121