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First-principles calculations of many-body band-gap narrowing at an Al/GaAs(110) interface

Charlesworth, J.P.A., Godby, R.W. and Needs, R.J. (1993) First-principles calculations of many-body band-gap narrowing at an Al/GaAs(110) interface. Physical Review Letters, 70 (11). pp. 1685-1688. ISSN 0031-9007

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Abstract

We calculate the quasiparticle electronic structure of a Al/GaAs(110) Schottky barrier as a function of distance from the interface, using the GW self-energy operator. The GaAs band gap is significantly narrowed near the metal, although the classical picture of image-potential narrowing is subject to large quantum corrections. The nature of these corrections is explored further using model calculations.

Item Type: Article
Copyright, Publisher and Additional Information: © 1993 American Physical Society.
Academic Units: The University of York > Physics (York)
Depositing User: Physics Import
Date Deposited: 25 Sep 2008 10:01
Last Modified: 25 Sep 2008 10:01
Published Version: http://link.aps.org/abstract/PRL/v70/p1685
Status: Published
Publisher: American Physical Society
Refereed: Yes
Identification Number: 10.1103/PhysRevLett.70.1685
Related URLs:
URI: http://eprints.whiterose.ac.uk/id/eprint/3979

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