The surface reconstructions of the (100) crystal faces of iridium, platinum and gold. I. Experimental observations and possible structural models

M. A. Van Hove*, R. J. Koestner, P. C. Stair, J. P. Bibérian, L. L. Kesmodel, I. BartoŠ, G. A. Somorjai

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

The structures of the reconstructed Ir(100), Pt(100) and Au(100) surfaces have been investigated. Low energy electron diffraction (LEED) patterns are analyzed and LEED intensity versus energy data are measured. A variety of structures is observed by LEED: Ir(100) exhibits a relatively simple (1 × 5) pattern; Pt(100) shows a series of closely related patterns, a typical representative of which has a ( 14 1 -1 5) structure; Au(100) usually exhibits a c(26 × 68) pattern, often inaccurately described in the literature as a (20 × 5) pattern. The reconstruction of Au(111) is also considered for comparison. Various plausible structural models are discussed, while laser simulation is used to lessen the number of these models. The analysis is completed in a companion paper where LEED intensity calculations are reported to determine the atomic locations.

Original languageEnglish (US)
Pages (from-to)189-217
Number of pages29
JournalSurface Science
Volume103
Issue number1
DOIs
StatePublished - Feb 1 1981

Fingerprint

Iridium
Surface reconstruction
Low energy electron diffraction
iridium
Platinum
Gold
platinum
gold
electron diffraction
Crystals
crystals
energy
Diffraction patterns
diffraction patterns
Lasers
lasers
simulation

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Van Hove, M. A. ; Koestner, R. J. ; Stair, P. C. ; Bibérian, J. P. ; Kesmodel, L. L. ; BartoŠ, I. ; Somorjai, G. A. / The surface reconstructions of the (100) crystal faces of iridium, platinum and gold. I. Experimental observations and possible structural models. In: Surface Science. 1981 ; Vol. 103, No. 1. pp. 189-217.
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abstract = "The structures of the reconstructed Ir(100), Pt(100) and Au(100) surfaces have been investigated. Low energy electron diffraction (LEED) patterns are analyzed and LEED intensity versus energy data are measured. A variety of structures is observed by LEED: Ir(100) exhibits a relatively simple (1 × 5) pattern; Pt(100) shows a series of closely related patterns, a typical representative of which has a ( 14 1 -1 5) structure; Au(100) usually exhibits a c(26 × 68) pattern, often inaccurately described in the literature as a (20 × 5) pattern. The reconstruction of Au(111) is also considered for comparison. Various plausible structural models are discussed, while laser simulation is used to lessen the number of these models. The analysis is completed in a companion paper where LEED intensity calculations are reported to determine the atomic locations.",
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The surface reconstructions of the (100) crystal faces of iridium, platinum and gold. I. Experimental observations and possible structural models. / Van Hove, M. A.; Koestner, R. J.; Stair, P. C.; Bibérian, J. P.; Kesmodel, L. L.; BartoŠ, I.; Somorjai, G. A.

In: Surface Science, Vol. 103, No. 1, 01.02.1981, p. 189-217.

Research output: Contribution to journalArticle

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AU - Van Hove, M. A.

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AU - Stair, P. C.

AU - Bibérian, J. P.

AU - Kesmodel, L. L.

AU - BartoŠ, I.

AU - Somorjai, G. A.

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