Many body satellite in the photoemission spectra of the heavy rare earths |
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| Authors: | D LaGraffe P A Dowben L Dottl Y Ufuktepe M Onellion |
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| Institution: | (1) Physics Department, Syracuse University, 13244 Syracuse, NY, USA;(2) Department of Physics, University of Wisconsin, 53706 Madison, WI, USA |
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| Abstract: | A narrow feature is reported in the photoemission spectra of the heavy rare earths, Gd, Tb, and Dy on a variety of substrates. This feature is not expected from the initial densities of states. This feature appears to require a density of states at the Fermi energy to exist. We propose that the feature is due to a many electron shakeup process to the unoccupied 4f levels. |
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