Monte carlo study on formation of periodic structures on Si(111) surfaces

T. Watanabe, T. Hoshino, I. Ohdomari

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

Monte Carlo simulations of a two-dimensional lattice gas in the grand canonical ensemble are performed to analyze the behavior of Si adatoms on Si(111)-1 × 1 surfaces. 2 × 2, c2 × 8 and c2 × 4 structures appear at 300 K under the condition that only Coulomb repulsion is introduced as a pair interaction between adatoms. The adatom density increases with the temperature, and √3 × √3 structures appear at 550 °C. These results agree with our recent STM observations.

Original languageEnglish
Pages (from-to)375-381
Number of pages7
JournalSurface Science
Volume389
Issue number1-3
DOIs
Publication statusPublished - 1997 Nov

Keywords

  • Computer simulations
  • Silicon
  • Single crystal surfaces
  • Surface relaxation and reconstruction
  • Surface thermodynamics

ASJC Scopus subject areas

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

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