The application of simple selection rules to photoemission from clean and adsorbate covered metal single crystals |
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| Authors: | N.V. Richardson D.R. Lloyd C.M. Quinn |
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| Affiliation: | Fritz-Haber-Institut der Max-Planck-Gesellschaft, Faradayweg 4-6, D-1000 Berlin 33, Germany;Dept. of Chemistry, Trinity College, Dublin, Ireland;Dept. of Chemistry, St. Patrick''s College, Maynooth, Co. Kildare, Ireland |
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| Abstract: | The selection rules governing the uv-photoemission process from clean and adsorbate covered surfaces, as a consequence of the symmetry properties of the system, are discussed. It is shown that the symmetries of the initial states giving rise to features in the angle-resolved photoemission spectra can be readily derived from photon polarization dependent measurements. Symmetry based selection rules are also applied to the problem of adsorbate molecule orientation for the case of adsorbate covered surfaces. |
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