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Metallicity of In chains on Si(111)

Physical Review B - Condensed Matter and Materials Physics, ISSN: 1550-235X, Vol: 56, Issue: 24, Page: 15725-15728
1997
  • 60
    Citations
  • 0
    Usage
  • 18
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    60
    • Citation Indexes
      60
  • Captures
    18

Article Description

The electronic structure of the Si(111)-In(4×1) system, between the Fermi level and the vacuum level, has been studied using inverse photoemission. Single domain 4×1 overlayers were grown on vicinal Si(111) surfaces that were offcut by 3° towards (Formula presented)]. In contrast to an earlier inverse photoemission study of this system, which was performed on a multidomain sample, but in agreement with recent photoemission and STM studies, the overlayer system was found to be metallic. A clear Fermi level crossing was detected near the Brillouin zone boundary at (Formula presented). We suggest a possible reinterpretation of the inverse photoemission study that naturally resolves the controversy about the surface metallicity. © 1997 The American Physical Society.

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