A study of Al/Si(111)-cleaved interface by photoemission,Auger electron yield,and Auger electron spectroscopies |
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| Authors: | K.L.I. Kobayashi F. Gerken J. Barth C. Kunz |
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| Affiliation: | 1. II Institut für Experimental Physik, Universität Hamburg, D-2000 Hamburg 50, BRD, Germany;2. Deutsches Elektronen Synchroton-DESY, D-2000 Hamburg 52, BRD, Germany |
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| Abstract: | Photoemission, Auger electron yield, and Auger electron spectra are observed for Al/Si(111)-cleaved interfaces. The Al 3p derived state which becomes metallic at monolayer coverage is introduced near the top of the valence band. The Fermi level is stabilized in this metallic state. The present result favors the on-top geometry of Al atoms on a Si(111)-cleaved surface. |
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