Asymmetric magnetization reversal of stripe-patterned exchange bias layer systems for controlled magnetic particle transport |
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| Authors: | Ehresmann Arno Lengemann Daniel Weis Tanja Albrecht Alla Langfahl-Klabes Jannick Göllner Florian Engel Dieter |
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| Affiliation: | Department of Physics and Center for Interdisciplinary Nanostructure, Science and Technology, University of Kassel, Germany. ehresmann@physik.uni-kassel.de |
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| Abstract: | Domain wall movement assisted transport of particles: exchange-biased samples with designed stripe-domains show strong stray fields and an asymmetric magnetization reversal. Using these characteristics superparamagnetic particles can be trapped and transported directly on the sample over large-scale areas. High particle velocities, small external fields, and automatically reduced particle clustering allow broad applicability of this transport method. |
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| Keywords: | magnetic nanoparticles thin films magnetic materials microstructures |
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