DETERMINATION OF COMPLEX SURFACE STRUCTURES WITH LEED

M. A. van Hove ()
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M. A. van Hove: Materials Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA

Surface Review and Letters (SRL), 1997, vol. 04, issue 03, 479-487

Abstract: The evolution of the complexity of structural determination attainable with LEED is reviewed. Considerable progress in methodologies and computers has enabled structures as complex asCu(100) + (4 × 4)- 10Lito be solved in terms of 18 fit parameters. TheSi(111)-(7 × 7)structure could now be refined in terms of 100-or-so fit parameters, if a large-enough experimental dataset were available. Big challenges remain: finding a direct or quick way to identify the one qualitatively correct structure; and, to a lesser degree, providing the required size of the experimental dataset.

Date: 1997
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DOI: 10.1142/S0218625X97000468

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