Unoccupied surface-state band on Si(111) 2×1
- 15 October 1987
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 36 (11), 6160-6163
- https://doi.org/10.1103/physrevb.36.6160
Abstract
Employing k-resolved inverse-photoemission spectroscopy, we have measured the dispersion of the unoccupied electronic surface-state band of cleaved single-domain Si(111) 2×1 along the Γ¯–J¯ and Γ¯–J¯’ symmetry directions. The energy dispersion and general shape of the measured surface-state band agree well with the calculated band of the π-bonded chain model.Keywords
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