Surface states ond-band metals |
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Authors: | F Forstmann J B Pendry |
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Institution: | 1. Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin-Dahlem 2. Cavendish Laboratory, Cambridge
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Abstract: | Electron surface states ond-band metals are investigated by the method of matching the crystal wave function to the outside solution at the surface. On a (100) surface of anfcc structure such a state is found near to the crossover of thes-band and thed-band of the same symmetry. In Ni this state lies 4–5 eV below the Fermi energy, for Cu 5–6 V beloweE F. It explains the density of states anomaly seen in photoemission. |
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