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Chemically shifted surface core-levels and surface segregation in EuAu and YbAu alloys |
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| Authors: | L.I. Johansson A. Flodström S.-E. Hörnström B. Johansson J. Barth F. Gerken |
| Affiliation: | Department of Physics and Measurement Technology, Linköping University, S-581 83 Linköping, Sweden;Institute of Physics, University of Aarhus, DK-8000 Aarhus C, Denmark;II. Institut fur Experimentalphysik, Universität Hamburg, D-2000 Hamburg 50, BRD |
| Abstract: | Chemically shifted surface core-level binding energies are observed for the rare-earth alloy component in Eu1?xAux and Yb1?xAux. Furthermore, these shifts are different from the chemical shifts of the bulk 4f levels. The surface core-levels are used to identify surface segregation of the lanthanide metal in the present alloys. |
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