MAGNETIC COUPLING OF ALKALI AND RARE-GAS FILMS ADSORBED ON A FERROMAGNETIC SURFACE

M. Schicketanz (), A. Oelsner, G. H. Fecher, J. Morais and G. Schönhense
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M. Schicketanz: Institut für Physik, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
A. Oelsner: Institut für Physik, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
G. H. Fecher: Institut für Physik, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
J. Morais: Institut für Physik, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
G. Schönhense: Institut für Physik, Johannes Gutenberg-Universität, D-55099 Mainz, Germany

Surface Review and Letters (SRL), 2002, vol. 09, issue 02, 895-899

Abstract: The observation ofmagneticcirculardichroism in theangulardistribution of photoelectrons (MCDAD) from alkali and rare-gas films adsorbed on a thin remanently magnetized Co layer is reported. The observation of an antisymmetric MCDAD near normal emission for Co(0001)–Cs 5p semi core level is shown. The reversed magnetization leads to a mirror-image-like distribution. The second system under investigation, physisorbed Co(0001)–Xe 5p, does not give such an but shows significant differences in the MCDAD signal for both directions of magnetization, in particular in the|mj|substates of thep3/2level. A magnetic coupling between Xe and Co is evident when we take results of spin-resolved photoemission into account.

Date: 2002
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DOI: 10.1142/S0218625X02003123

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