HOLOGRAPHIC LEED: A REVIEW OF RECENT PROGRESS

D. K. Saldin, X. Chen, J. A. Vamvakas, M. Ott, H. Wedler, K. Reuter, K. Heinz and P. L. de Andres
Additional contact information
D. K. Saldin: Department of Physics and Laboratory for Surface Studies, University of Wisconsin–Milwaukee, PO Box 413, Milwaukee, Wisconsin 53201, USA
X. Chen: Department of Physics and Laboratory for Surface Studies, University of Wisconsin–Milwaukee, PO Box 413, Milwaukee, Wisconsin 53201, USA
J. A. Vamvakas: Department of Physics and Laboratory for Surface Studies, University of Wisconsin–Milwaukee, PO Box 413, Milwaukee, Wisconsin 53201, USA
M. Ott: Lehrstuhl für Festkörperphysik, University of Erlangen–Nürnberg, Staudtstr. 7, D-91054 Erlangen, Germany
H. Wedler: Lehrstuhl für Festkörperphysik, University of Erlangen–Nürnberg, Staudtstr. 7, D-91054 Erlangen, Germany
K. Reuter: Lehrstuhl für Festkörperphysik, University of Erlangen–Nürnberg, Staudtstr. 7, D-91054 Erlangen, Germany
K. Heinz: Lehrstuhl für Festkörperphysik, University of Erlangen–Nürnberg, Staudtstr. 7, D-91054 Erlangen, Germany
P. L. de Andres: Instituto de Ciencia de Materiales, Universidad Autonoma de Madrid, E-28049 Madrid, Spain

Surface Review and Letters (SRL), 1997, vol. 04, issue 05, 991-1001

Abstract: We review the basic ideas of holographic LEED, and the latest progress in the field. We compare several proposed computer reconstruction schemes. Using experimental diffuse LEED data from O/Ni(001) and K/Ni(001) surfaces, we show that the capability now exists for filtering out the effects on the diffraction patterns of possible long-range order amongst the adsorbates, thus making holographic LEED much more analogous to photoelectron holography. Inclusion of a scattered-wave kernel to compensate for the variation of the magnitude of the reference wave at the positions of potential object-wave sources enables the reconstruction of a fully three-dimensional image of substrate atoms in the immediate vicinity of atomic adsorbates from a set of just normal-incidence diffuse LEED patterns.

Keywords: 42.40.-i; 61.14.Dc; 68.35.-p (search for similar items in EconPapers)
Date: 1997
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DOI: 10.1142/S0218625X97001176

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