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Phys Rev Lett. 2002 Jun 17;88(24):246103. doi: 10.1103/PhysRevLett.88.246103. Epub 2002 Jun 03.

Two-dimensional oxide on Pd(111).

Physical review letters

E Lundgren, G Kresse, C Klein, M Borg, J N Andersen, M De Santis, Y Gauthier, C Konvicka, M Schmid, P Varga

Affiliations

  1. Department of Synchrotron Radiation Research, Institute of Physics, University of Lund, Box 118, S-221 00 Lund, Sweden.

PMID: 12059319 DOI: 10.1103/PhysRevLett.88.246103

Abstract

The oxidation of Pd(111) leads to an incommensurate surface oxide, which was studied by the use of scanning tunneling microscopy, surface x-ray diffraction, high resolution core level spectroscopy, and density functional calculations. A combination of these methods reveals a two-dimensional structure having no resemblance to bulk oxides of Pd. Our study also demonstrates how the atomic arrangement of a nontrivial incommensurate surface can be solved by molecular dynamics in a case where experimental techniques alone give no solution.

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