Surface states on the copper (111) face |
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Authors: | H Stöhr H Bross |
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Institution: | Sektion Physik der Universität München, D-8000 München 2, Fed. Rep. of Germany |
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Abstract: | Using Chodorow's potential in the bulk region and a z-dependent potential in the vacuum region, the surface states on Cu(1 11) were investigated. Fitting of a potential parameter to the well known energy of the surface state at resulted in a reasonable shape of the potential and in an effective mass of the surface state band in accordance with experiment. The state recently observed at about 2 eV below EF could not be described with the present model. |
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