Electronic surface states on Pd(110): Theory and comparison with experiment |
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Authors: | E Tamura R Feder |
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Institution: | (1) Theoretische Festkörperphysik, Universität Duisburg-GH, Fachbereich 10, D-4100 Duisburg, Federal Republic of Germany;(2) Institut für Festkörperforschung, KFA Jülich, D-5170 Jülich, FRG |
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Abstract: | A relativistic Green function formalism has been applied to calculate layer-projected densities of states on Pd(110). In particular, we obtained unoccupied surface states and their dispersion relations along two directions in the surface Brillouin zone. Good agreement with recent inverse photoemission data is reached by using an energy-dependent dynamical surface potential barrier, which is based on a simple electron-plasmon interaction model, instead of a static surface barrier. |
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