Induced moment due to perpendicular field cycling in trained exchange bias system |
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Authors: | AMITESH PAUL S MATTAUCH |
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Institution: | 1. Technische Universit?t München, Physik Department E21, James-Franck-Strasse 1, D-85748, Garching b. München, Germany 2. Jülich Centre for Neutrom Science Forschungszentrum Jülich GmbH, Au?enstelle am FRM-II, c/o TU München, Lichtenbergstra?e 1, D-85747, Garching b. München, Germany
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Abstract: | Depth-sensitive polarized neutron scattering in specular and off-specular mode has recently revealed that perpendicular field cycling brings about a modification in the interfacial magnetization of a trained exchange coupled interface. We show here by various model fits to our neutron reflectivity data that a restoration of the untrained state is not possible in the case of our polycrystalline multilayer specimen. This is due a magnetic moment at the interface induced only after perpendicular field cycling, changing the initial field-cooled state. |
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