Scanning Tunneling Spectroscopy of One-Dimensional Surface States on a Metal Surface

A. Biedermann, O. Genser, W. Hebenstreit, M. Schmid, J. Redinger, R. Podloucky, and P. Varga
Phys. Rev. Lett. 76, 4179 – Published 27 May 1996
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Abstract

Scanning tunneling spectroscopy permits real-space observation of one-dimensional electronic states on a Fe(100) surface alloyed with Si. These states are localized along chains of Fe atoms in domain boundaries of the Fe(100) c(2×2)Si surface alloy, as confirmed by first-principles spin-polarized calculations. The calculated charge densities illustrate the d-like orbital character of the one-dimensional state and show its relationship to a two-dimensional state existing on the pure Fe(100) surface.

  • Received 2 January 1996

DOI:https://doi.org/10.1103/PhysRevLett.76.4179

©1996 American Physical Society

Authors & Affiliations

A. Biedermann1, O. Genser1, W. Hebenstreit1, M. Schmid1, J. Redinger2, R. Podloucky3, and P. Varga1

  • 1Institut für Allgemeine Physik, Technische Universität Wien, A-1040 Vienna, Austria
  • 2Institut für Technische Elektrochemie, Technische Universität Wien, A-1060 Vienna, Austria
  • 3Institut für Physikalische Chemie, Universität Wien, A-1090 Vienna, Austria

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Vol. 76, Iss. 22 — 27 May 1996

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