Fermi Surface of Bi(111) Measured by Photoemission Spectroscopy

Christian R. Ast and Hartmut Höchst
Phys. Rev. Lett. 87, 177602 – Published 9 October 2001
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Abstract

Synchrotron radiation angle-resolved photoemission spectroscopy of Bi(111) shows that the Fermi surface consists of six elongated hole pockets along the ΓM¯ directions surrounding a ring-shaped electron pocket centered at Γ¯, all of which have two-dimensional character. The associated hole and electron sheet densities are ps=1.1×1013cm2 and ns=5.5×1012cm2, respectively. A weak emission feature associated with the bulk hole pocket in the Fermi surface was identified. The Fermi momentum of the bulk hole band near the T point is kF=0.013±0.003Å1.

  • Received 24 May 2001

DOI:https://doi.org/10.1103/PhysRevLett.87.177602

©2001 American Physical Society

Authors & Affiliations

Christian R. Ast and Hartmut Höchst*

  • Synchrotron Radiation Center, University of Wisconsin–Madison, Stoughton, Wisconsin 53589

  • *Corresponding author.Email address: hhochst@facstaff.wisc.edu

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Vol. 87, Iss. 17 — 22 October 2001

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