Electron loss spectra from a W(001)surface |
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Authors: | NR Avery |
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Institution: | CSIRO, Division of Materials Science, University of Melbourne, Parkville, Vic. Australia |
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Abstract: | A high resolution energy dispersion analysis of the electron loss spectra (ELS) from a W(001) surface has been done with a specular reflexion geometry. The non-dispersive ELS correlates well with a combination of the bulk and surface loss functions determined from recent optical data whereas the dispersive ELS showed significant differences. Multiple plasmon losses were demonstrated while for the interband losses a momentum selection method has been demonstrated to separate scattering in the surface region from that in the bulk. |
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