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DPG

Berlin 2008 – scientific programme

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MA: Fachverband Magnetismus

MA 18: Poster I : Bio Magn. (1-2); Mag.Imgaging (3-9); Magn. Semiconductors (10-16); Half Metals & Oxides (17-20); Coupl.Phenomena (21-27); Magn. Mat. (28-41); Micro & Nanostr. Magn. Materials (42-61); Micro Magn. (62-64); Surface Magnetism (65-70); Transport Phenomena (71-85)

MA 18.69: Poster

Tuesday, February 26, 2008, 15:15–18:30, Poster E

Exchange interaction between magnetic nanowires on stepped and flat Cu surfaces: ab initio study — •Hossein Hashemi1, Pavel A. Ignatiev2, Wolfram Hergert1, and Valeri S. Stepanyuk21Institute of Physics, Martin Luther University Halle-Wittenberg, Von-Seckendorff-Platz 1, 06120 Halle — 2Max Planck Institute of Microstructure Physics, Weinberg 2, 06120 Halle

We report on the ab initio study of the indirect exchange interaction between magnetic nanowires on flat and stepped Cu(111) surfaces. Several geometrical arrangements of Fe nanostructures on stepped and flat surfaces are considered. The exchange interaction is found to exhibit an oscillatory behavior and depends on the chain-chain separation. We compare the exchange interaction between magnetic nanowires on stepped and flat Cu surfaces.

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