Elsevier

Physics Letters A

Volume 63, Issue 3, 14 November 1977, Pages 384-386
Physics Letters A

Surface states on gallium phosphide

https://doi.org/10.1016/0375-9601(77)90940-9Get rights and content

Abstract

Ultraviolet photoelectron spectroscopy shows that the surface Fermi level of clean cleaved GaP (10) is pinned 1.50 eV above the valence band maximum of empty surface states. Synchrotron radiation-excited photo-emission partial yield spectroscopy supports this conclusion.

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1

Now at Department of Physics, University of Warwick, Coventry CV4 7AL, England.

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