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Dresden 2014 – scientific programme

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MA: Fachverband Magnetismus

MA 23: Micro- and Nanostructured Magnetic Materials

MA 23.5: Talk

Wednesday, April 2, 2014, 10:30–10:45, HSZ 403

Scanning-Hall-Probe-Microscopy on perpendicular strayfields of Head-To-Head-Exchange-Bias-Layers — •Arno Ehresmann1, Stefan Pofahl2, Florian Ahrend1 und Norbert Zingsem11Universität Kassel, Experimentalphysik 4, D-34419 Kassel — 2IFW-Dresden, Leibniz-Institut für Festkörper- und Werkstoffforschung

Exchange-bias-multilayer-systems with CoFe and IrMn as main components were patterned by ion-bombardment in 5mu-head-to-head-domains. On those systems scanning-hall-probe-microscopy was carried out, to measure the height dependent z-component of the stray field arising from the domainwalls. Comparison with existing theory on domain- and fieldstructure showed qualitatively good agreement, but also quantitative hints that an adjustment of that theory might be necessary.

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