Field ion microscopy study of 1×2 reconstruction on Pt surfaces

R. J. Lin; T. Y. Fu

doi:10.1002/sia.w

Field ion microscopy study of 1×2 reconstruction on Pt surfaces

R. J. Lin, T. Y. Fu

Department of Physics

Research output: Contribution to journal › Article › peer-review

Abstract

With the use of field ion microscopy we have investigated an atomic structure of a 1×2 reconstruction of a Pt(110) and a Pt(331) crystallographic planes. For the Pt(110), a transition from a (1×1) phase into the (1×2) missing-row structure is observed upon annealing treatment at 450K which is interpreted in terms of jumping or descending atom motions. For the Pt (331), a similar transition takes place upon heating at 600K, and the atomic arrangement in two top 1×2 layers is compatible with the so called saw-tooth model. We propose a new structural model for the Pt (331)-(1×2) reconstruction.

Original language	English
Journal	Surface and Interface Analysis
DOIs	https://doi.org/10.1002/sia.w
Publication status	Accepted/In press - 1800

Keywords

Field ion microscope
Missing-row
Platinum

ASJC Scopus subject areas

Organic Chemistry
Industrial and Manufacturing Engineering
Biomedical Engineering
Surfaces, Coatings and Films
Materials Chemistry
Surfaces and Interfaces
Condensed Matter Physics
Chemistry(all)

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10.1002/sia.w

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AU - Fu, T. Y.

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N2 - With the use of field ion microscopy we have investigated an atomic structure of a 1×2 reconstruction of a Pt(110) and a Pt(331) crystallographic planes. For the Pt(110), a transition from a (1×1) phase into the (1×2) missing-row structure is observed upon annealing treatment at 450K which is interpreted in terms of jumping or descending atom motions. For the Pt (331), a similar transition takes place upon heating at 600K, and the atomic arrangement in two top 1×2 layers is compatible with the so called saw-tooth model. We propose a new structural model for the Pt (331)-(1×2) reconstruction.

AB - With the use of field ion microscopy we have investigated an atomic structure of a 1×2 reconstruction of a Pt(110) and a Pt(331) crystallographic planes. For the Pt(110), a transition from a (1×1) phase into the (1×2) missing-row structure is observed upon annealing treatment at 450K which is interpreted in terms of jumping or descending atom motions. For the Pt (331), a similar transition takes place upon heating at 600K, and the atomic arrangement in two top 1×2 layers is compatible with the so called saw-tooth model. We propose a new structural model for the Pt (331)-(1×2) reconstruction.

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KW - Missing-row

KW - Platinum

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JO - Surface and Interface Analysis

JF - Surface and Interface Analysis

SN - 0142-2421

ER -

Field ion microscopy study of 1×2 reconstruction on Pt surfaces

Abstract

Keywords

ASJC Scopus subject areas

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