Transmission electron diffraction determination of the Ge(001)-(2 × 1) surface structure

C. Collazo-Davila*, D. Grozea, E. Landree, Laurence Marks

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

The lateral displacements in the Ge(001)-(2 × 1) surface reconstruction have been determined using transmission electron diffraction (TED). The best-fit model includes displacements extending six layers into the bulk. The atomic positions found agree with X-ray studies to within a few hundredths of an ångström. With the positions determined so precisely, it is suggested that the Ge(001)-(2 × 1) surface can now serve as a standard for comparison with theoretical surface structure calculations. The results from the currently available theoretical studies on the surface are compared with the experimentally determined structure.

Original languageEnglish (US)
Pages (from-to)293-301
Number of pages9
JournalSurface Science
Volume375
Issue number2-3
DOIs
StatePublished - Apr 1 1997

Keywords

  • Computer simulations
  • Electron energy loss spectroscopy
  • Ge(001)-(2 × 1)
  • Germanium
  • Low index single crystal surfaces
  • Surface relaxation and reconstruction
  • Transmission high-energy electron diffraction

ASJC Scopus subject areas

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

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