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Selenide layers on gallium ARSENIDE (100): Chemical reactions and electronic passivation |
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| Authors: | J. Cairns A. A. Cafolla A. Hughes C. Nowak R. H. Williams |
| Affiliation: | Department of Physics and Astronomy, University of Wales College of Cardiff, P.O. Box 913, Cardiff CF1 3TH, U.K. |
| Abstract: | The passivation of GaAs (100) surfaces by Se and ZnSe has been investigated using soft X-ray photoelectron spectroscopy and low energy electron diffraction. An interface layer is identified which reflects a compound of gallium and selenium and it is shown that GaSe is consistent with the data. The mechanism whereby band bending is removed is also considered. |
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