Structural analogy between GeSi(111)-5 × 5 and Si(111)-7 × 7 surfaces

E. G. McRae, H. J. Gossmann, Leonard C Feldman

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Low energy electron diffraction (LEED) patterns for the GeSi(111)-5 × 5 surface are reported and compared to those for the Si(111)-7 × 7 surface. Parallels between the observed LEED patterns are explained by a structural analogy between GeSi(111)-5 × 5 and Si(111)-7 × 7 surfaces. Both the (5 × 5) and (7 × 7) patterns are shown to be consistent with structural models of the triangle-dimer type previously proposed for Si(111)-7 × 7 surface.

Original languageEnglish
JournalSurface Science
Issue number1
Publication statusPublished - Oct 2 1984


ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Condensed Matter Physics
  • Surfaces and Interfaces

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