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The concepts of surface states |
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| Authors: | F. Forstmann |
| Affiliation: | Freie Universität Berlin, Institut für Theoretische Physik Arnimallee 14, 1000, Berlin 33, Germany |
| Abstract: | Electronic surface states are introduced from the tight binding approach as well as in the nearly free electron approximation. The localization mechanism and the criteria for Tamm and Shockley states are demonstrated. These concepts yield a new way of estimating the image potential state energies. |
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