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

doi:10.1016/0039-6028(81)90107-2

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

Chemistry

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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 language	English (US)
Pages (from-to)	189-217
Number of pages	29
Journal	Surface Science
Volume	103
Issue number	1
DOIs	https://doi.org/10.1016/0039-6028(81)90107-2
State	Published - Feb 1 1981

Funding

We are thankful to Drs. D.M. Zehner and J.F. Wendelkenf or kindly providing us with photographso f Au(100) and (111) diffraction patterns. This work was supported by the Division of Materials Sciences,O ffice of Basic Energy Sciences, US Department of Energy. Prepared for the US Department of Energy under contract W-7405-ENG48.

ASJC Scopus subject areas

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

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10.1016/0039-6028(81)90107-2

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

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.",

author = "{Van Hove}, {M. A.} and Koestner, {R. J.} and Stair, {P. C.} and Bib{\'e}rian, {J. P.} and Kesmodel, {L. L.} and I. Barto{\v S} and Somorjai, {G. A.}",

note = "Funding Information: We are thankful to Drs. D.M. Zehner and J.F. Wendelkenf or kindly providing us with photographso f Au(100) and (111) diffraction patterns. This work was supported by the Division of Materials Sciences,O ffice of Basic Energy Sciences, US Department of Energy. Prepared for the US Department of Energy under contract W-7405-ENG48.",

year = "1981",

month = feb,

day = "1",

doi = "10.1016/0039-6028(81)90107-2",

language = "English (US)",

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T1 - The surface reconstructions of the (100) crystal faces of iridium, platinum and gold. I. Experimental observations and possible structural models

AU - Van Hove, M. A.

AU - Koestner, R. J.

AU - Stair, P. C.

AU - Bibérian, J. P.

AU - Kesmodel, L. L.

AU - BartoŠ, I.

AU - Somorjai, G. A.

N1 - Funding Information: We are thankful to Drs. D.M. Zehner and J.F. Wendelkenf or kindly providing us with photographso f Au(100) and (111) diffraction patterns. This work was supported by the Division of Materials Sciences,O ffice of Basic Energy Sciences, US Department of Energy. Prepared for the US Department of Energy under contract W-7405-ENG48.

PY - 1981/2/1

Y1 - 1981/2/1

N2 - 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.

AB - 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

Abstract

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