Fractional Band Filling in an Atomic Chain Structure

J. N. Crain, A. Kirakosian, K. N. Altmann, C. Bromberger, S. C. Erwin, J. L. McChesney, J.-L. Lin, and F. J. Himpsel
Phys. Rev. Lett. 90, 176805 – Published 2 May 2003; Erratum Phys. Rev. Lett. 92, 089902 (2004)

Abstract

A new chain structure of Au is found on stepped Si(111) which exhibits a 1/4-filled band and a pair of 1/2-filled bands with a combined filling of 4/3. Band dispersions and Fermi surfaces for Si(553)-Au are obtained by photoemission and compared to that of Si(557)-Au. The dimensionality of both systems is determined using a tight binding fit. The fractional band filling makes it possible to preserve metallicity in the presence of strong correlations.

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  • Received 29 October 2002

DOI:https://doi.org/10.1103/PhysRevLett.90.176805

©2003 American Physical Society

Erratum

Erratum: Fractional Band Filling in an Atomic Chain Structure [Phys. Rev. Lett. 90, 176805 (2003)]

J. N. Crain, A. Kirakosian, K. N. Altmann, C. Bromberger, S. C. Erwin, J. L. McChesney, J.-L. Lin, and F. J. Himpsel
Phys. Rev. Lett. 92, 089902 (2004)

Authors & Affiliations

J. N. Crain1, A. Kirakosian1, K. N. Altmann1, C. Bromberger2, S. C. Erwin3, J. L. McChesney1, J.-L. Lin, and F. J. Himpsel1

  • 1Department of Physics, UW-Madison, 1150 University Avenue, Madison, Wisconsin 53706, USA
  • 2Department of Physics and Center for Material Science, Philipps University, D 35032 Marburg, Germany
  • 3Center for Computational Materials Science, Naval Research Laboratory, Washington, D.C. 20375, USA

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Issue

Vol. 90, Iss. 17 — 2 May 2003

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