Oxygen-induced p(1 × 3)-O reconstruction on Mo(1 1 2): A precursor to the epitaxial formation of MoO2(1 0 0)

A. K. Santra, B. K. Min, D. W. Goodman

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36 Citations (Scopus)

Abstract

Scanning tunneling microscopy (STM) and low energy electron diffraction (LEED) have been used to investigate the oxygen reconstruction following oxidation of a Mo(1 1 2) single crystal. The STM and LEED results show a p(1 × 2)-O oxygen-induced missing row reconstruction at monolayer coverage. LEED and high resolution STM data also reveal a second oxygen-induced p(1 × 3)-O reconstruction at a higher oxygen coverage. This latter structure is a precursor to the formation of an epitaxial MoO2(1 0 0) surface.

Original languageEnglish
Pages (from-to)L441-L444
JournalSurface Science
Volume513
Issue number3
DOIs
Publication statusPublished - 2002 Aug 1

Bibliographical note

Funding Information:
The authors acknowledge with pleasure the support of this work by the Department of Energy, Office of Basic Energy Sciences and Division of Chemical Sciences, and the Robert A. Welch Foundation. The authors would like to thank Professor H.J. Freund for supplying a preprint of Ref. [17] .

Keywords

  • Chemisorption
  • Low energy electron diffraction (LEED)
  • Molybdenum
  • Molybdenum oxides
  • Oxidation
  • Scanning tunneling microscopy
  • Single crystal epitaxy
  • Surface relaxation and reconstruction

ASJC Scopus subject areas

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

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