Unoccupied electronic states of epitaxial iron layers on Cu(100) |
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Authors: | H. Glatzel R. Schneider T. Fauster V. Dose |
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Affiliation: | 1. Max-Planck-Instiut für Plasmaphysik, EURATOM Association, Boltzmannstrasse 2, W-8046, Garching, Federal Republic of Germany
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Abstract: | Inverse photoemission spectra were taken for thin epitaxial iron films on Cu(100). For a film thickness of eight monolayers the observed electronic states are characteristic for a fcc(100) surface. Thed-bands of iron show a ferromagnetic exchange splitting of 1.1 eV, considerably smaller than the bulk value of 1.8 eV, which we observe for film thicknesses above 18 monolayers. |
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