Si(100) Surface Reconstruction: Spectroscopic Selection of a Structural Model
- 15 September 1975
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 35 (11), 729-732
- https://doi.org/10.1103/physrevlett.35.729
Abstract
Two qualitatively different structural models are currently popular for the stable 2×1 superstructure characteristic of the Si(100) surface. We report the results of realistic self-consistent calculations of the electronic spectrum for both. Comparison with uv photoemission data clearly favors the pairing model over the vacancy model. Our results on surface Fermi-level pinning and bond saturation support this conclusion.Keywords
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