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JETP Letters

, Volume 105, Issue 5, pp 292–296 | Cite as

Structural transformations on an oxidized Ag(111) surface

  • B. V. AndryushechkinEmail author
  • V. M. Shevlyuga
  • T. V. Pavlova
  • G. M. Zhidomirov
  • K. N. Eltsov
Condensed Matter

Abstract

The structure of the Ag(111) surface after the adsorption of molecular oxygen at a temperature of 300 K is studied by low-temperature scanning tunneling microscopy. It is established that local surface oxide is formed at the first stage of adsorption. The subsequent adsorption of O results in the appearance of new objects with a size of 3–8 Å and a height of 1.0–1.5 Å on the Ag(111) surface, which form quasi-ordered structures with increasing degree of coating. The heating of the system obtained up to 500 K leads to a structural transition resulting in the formation of single islands of the p (4×4) phase on the surface. Surface structures are identified by a simulation based on the density functional theory.

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Copyright information

© Pleiades Publishing, Inc. 2017

Authors and Affiliations

  • B. V. Andryushechkin
    • 1
    Email author
  • V. M. Shevlyuga
    • 1
  • T. V. Pavlova
    • 1
  • G. M. Zhidomirov
    • 1
    • 2
  • K. N. Eltsov
    • 1
  1. 1.Prokhorov General Physics InstituteRussian Academy of SciencesMoscowRussia
  2. 2.Boreskov Institute of Catalysis, Siberian BranchRussian Academy of SciencesNovosibirskRussia

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