Unreconstructed Au(100) monolayers on a Au3Pd(100) single-crystal surface

Autor(en): Aschoff, M
Speller, S
Kuntze, J
Heiland, W
Platzgummer, E
Schmid, M
Varga, P
Baretzky, B
Stichwörter: AU; Chemistry; Chemistry, Physical; gold alloys; low-energy ion scattering (LEIS); Physics; Physics, Condensed Matter; scanning tunneling microscopy (STM); single-crystal surfaces; surface structure
Erscheinungsdatum: 1998
Herausgeber: ELSEVIER
Volumen: 415
Ausgabe: 3
Startseite: L1051-L1054
The Au3Pd(100) single-crystal surface was studied with ion scattering methods, low-energy electron diffraction (LEED) and scanning tunneling microscopy. The crystal is covered at room temperature with a pure, (100)-ordered gold layer. Palladium is found in the second layer only. The lattice constant of the gold surface as evaluated by ion scattering and a tensor low-energy electron diffraction (TLEED) analysis is equal to the bulk lattice constant of 4.017 Angstrom as evaluated by X-ray analysis. The surface lattice constant of the gold layer on the alloy surface is 0.08 Angstrom smaller than that of bulk gold. (C) 1998 Elsevier Science B.V. All rights reserved.
ISSN: 00396028
DOI: 10.1016/S0039-6028(98)00564-0

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