The coupling of Cr to Fe studied by circular magnetic X-ray dichroism |
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| Authors: | T. Böske W. Clemens D. Schmitz J. Kojnok M. Schäfer V. Cros G. Y. Guo W. Eberhardt |
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| Affiliation: | (1) Institut für Festkörperforschung des Forschungszentrums Jülich, D-52425 Jülich, Germany;(2) EPSRC Daresbury Laboratory, WA4 4AD Warrington, UK;(3) Present address: IFW-Dresden e.V., Institut für Festkörperforschung, Postfach, D-01069 Dresden, Germany;(4) Present address: Institute for Solid State Physics, Eötvös University, Múzeum krt. 6/8, H-1088 Budapest, Hungary |
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| Abstract: | The coupling of Cr to Fe in stacked Cr/Fe/Cr trilayers is studied by circular magnetic X-ray dichroism using fluorescence yield to monitor the absorption. From the dichroic spectra, we determine the thickness dependent average magnetic coupling of Cr to Fe for Cr layer thicknesses of 1, 2 and 3 ML. We compare our results to new calculated spectra. Additionally, all Cr spectra show significant contributions due to photon scattering processes at theL2, 3 absorption edges depending on the degree of circular polarization. |
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| Keywords: | 78.70 73.40 75.70 |
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