Real-Space Observation of Surface States on Si(111) 7×7 with the Tunneling Microscope

Phys. Rev. Lett. 55, 2032 – Published 4 November 1985
R. S. Becker, J. A. Golovchenko, D. R. Hamann, and B. S. Swartzentruber

Abstract

We have observed surface states indigenous to the Si(111) 7×7 superlattice with the tunneling microscope. The data show the states' energies and strengths to be strongly dependent on position in the unit mesh. Implications of this for structural models of the 7×7 superlattice are discussed.

DOI: http://dx.doi.org/10.1103/PhysRevLett.55.2032

  • Received 25 July 1985
  • Published in the issue dated 4 November 1985

© 1985 The American Physical Society

Authors & Affiliations

R. S. Becker, J. A. Golovchenko, D. R. Hamann, and B. S. Swartzentruber

  • AT&T Bell Laboratories, Murray Hill, New Jersey 07974

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