Surface structure and energy spectra of localized states |
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Authors: | Maria Stlicka Krzysztof Kempa |
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Institution: | Maria Stȩślicka,Krzysztof Kempa |
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Abstract: | A simple model for surface reconstruction is developed utilizing the next-nearest-neighbor approximation within the framework of molecular-orbital theory. Exact energy expressions for this model and various special cases are derived, and they are illustrated by numerical results. The influence of a very weak surface deformation on the energy spectrum of surface states is also discussed. |
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