Simultaneous probing of exchange and spin-orbit interaction in spin polarized low energy electron diffraction from magnetic surfaces |
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| Authors: | S F Alvarado R Feder H Hopster F Ciccacci H Pleyer |
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| Institution: | (1) Institut für Festkörperforschung, KFA Jülich, Postfach 1913, D-5170 Jülich 1, Federal Republic of Germany;(2) Present address: Theoretische Festkörperphysik, FB 10, Universität Duisburg GH, Bismarckstrasse 81, D-4100 Duisburg, FRG;(3) Present address: Physikalisches Institut, Universität Köln, Zülpicher Strasse 77, D-5000 Köln 41, FRG;(4) Present address: Dipartimento di Fisica, Università della Calabria, Cosenza, Italy |
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| Abstract: | An experimental set-up allowing simultaneous probing of exchange and spin-orbit scattering in spin polarized electron diffraction (SPLEED) from magnetic surfaces is described. In a theoretical analysis it is made clear why the measured scattering asymmetries are, in very good approximation, linear superpositions of the exchange and spin-orbit asymmetries. As an illustration SPLEED data for Ni (001) collected at various energies and angles of incidence of the primary beam, are presented and shown to be in good agreement with theoretical results. |
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