The Au3Pd(001) surface studied by ion scattering and LEED

Autor(en): Speller, S
Aschoff, M
Kuntze, J
Heiland, W
Atrei, A
Bardi, U
Platzgummer, E
Stichwörter: Chemistry; Chemistry, Physical; Physics; Physics, Condensed Matter; SEGREGATION; TEMPERATURE
Erscheinungsdatum: 1999
Herausgeber: WORLD SCIENTIFIC PUBL CO PTE LTD
Journal: SURFACE REVIEW AND LETTERS
Volumen: 6
Ausgabe: 5
Startseite: 829
Seitenende: 833
Zusammenfassung: 
The (001) surface of a Au3Pd single crystal was studied with different surface analytical techniques. The main results reported about structure, composition and dynamics of the surface are based on ion scattering methods and LEED. We find segregation of Au to the surface forming a complete Au overlayer. The second layer has approximately the bulk Pd concentration. There is no evidence for chemical order in the near surface layers, i.e. Pd is randomly distributed in the lattice. The Au and Pd atoms in the first and the second layer respectively have approximately the same thermal vibrational amplitudes.
Beschreibung: 
6th International Conference on the Structure of Surfaces (ICSOS-6), UNIV BRITISH COLUMBIA, VANCOUVER, CANADA, JUL 26-30, 1999
ISSN: 0218625X
DOI: 10.1142/S0218625X99000871

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