COMPARISON OF THE SPIN POLARIZATION OF THE PHOTOELECTRON DIFFRACTION SPECTRA FOR DIFFERENT STRUCTURE MODELS OF MAGNETITE (111) LAYERS

P. Rennert (), A. Chassé and W. Mück
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P. Rennert: Department of Physics, Martin-Luther-University Halle-Wittenberg, D-06099 Halle (Saale), Germany
A. Chassé: Department of Physics, Martin-Luther-University Halle-Wittenberg, D-06099 Halle (Saale), Germany
W. Mück: Department of Physics, Martin-Luther-University Halle-Wittenberg, D-06099 Halle (Saale), Germany

Surface Review and Letters (SRL), 1997, vol. 04, issue 05, 907-910

Abstract: Layers of magnetite structure were observed in deposing iron oxide on Pd by LEED measurements. We consider the magnetic structure of these layers. It is investigated whether spin-polarized and angle-resolved photoelectron diffraction can be used to dstinguish between the Zuo and the Mizoguchi model, respectively. In the two models we have a different distribution of theFe2+andFe3+ions. This difference is incorporated into the calculation by spin-dependent scattering phase shifts. The results of the calculation show that there is a cancellation of the magnetic scattering in the Mizoguchi structure whereas there remains a contribution in the Zuo model. Thus, we conclude that these structures should be distinguishable by spin-polarized angle-resolved photoelectron diffraction.

Keywords: 75.25.+z; 75.50.Gg; 79.60.-i (search for similar items in EconPapers)
Date: 1997
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DOI: 10.1142/S0218625X97001012

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