Induced moment due to perpendicular field cycling in trained exchange bias system

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 d...

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Bibliographic Details
Published in:Pramāṇa 2013-04, Vol.80 (4), p.701-711
Main Authors: PAUL, AMITESH, MATTAUCH, S
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Astroparticles
Observations and Techniques
Physics
Physics and Astronomy
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Summary: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.
ISSN:0304-4289
0973-7111
DOI:10.1007/s12043-013-0508-5