Experimental and Model Theoretical Dispersions of Unoccupied Metallic Quantum Well States in the Cu/fccCo/Cu(100) System

F. G. Curti, A. Danese, and R. A. Bartynski
Phys. Rev. Lett. 80, 2213 – Published 9 March 1998
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Abstract

The dispersion with parallel momentum of unoccupied metallic quantum well states in the Cu/fccCo/Cu(100) system has been measured using inverse photoemission and modeled using a phase analysis approach. A flat band near the Fermi level is observed near the neck of the Cu Fermi surface along the ΓX¯ direction. Appearance of the state coincides with a hybridization gap in the minority spin bands of the underlying Co and its influence on the phase and strength of the short period magnetic coupling in this and similar systems is discussed.

  • Received 7 July 1997

DOI:https://doi.org/10.1103/PhysRevLett.80.2213

©1998 American Physical Society

Authors & Affiliations

F. G. Curti, A. Danese, and R. A. Bartynski

  • Department of Physics and Astronomy and Laboratory for Surface Modification, Rutgers University, P.O. Box 849, Piscataway, New Jersey 08855-0849

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Vol. 80, Iss. 10 — 9 March 1998

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