Magnetization reversal signatures in the magnetoresistance of magnetic multilayers

The simultaneous determination of magnetoresistance and vectorial-resolved magnetization hysteresis curves in a spin valve structure reveals distinct magnetoresistive features for different magnetic field orientations, which are directly related to the magnetization reversal processes. Measurements...

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Bibliographic Details
Published in:Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2012-07, Vol.86 (2), Article 024421
Main Authors: Perna, P., Rodrigo, C., Muñoz, M., Prieto, J. L., Bollero, A., Maccariello, D., Cuñado, J. L. F., Romera, M., Akerman, J., Jiménez, E., Mikuszeit, N., Cros, V., Camarero, J., Miranda, R.
Format: Article
Language:English
Subjects:
Condensed matter
Magnetization
Magnetization reversal
Magnetoresistance
Magnetoresistivity
Multilayers
Orientation
Spin valves
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Summary:The simultaneous determination of magnetoresistance and vectorial-resolved magnetization hysteresis curves in a spin valve structure reveals distinct magnetoresistive features for different magnetic field orientations, which are directly related to the magnetization reversal processes. Measurements performed in the whole angular range demonstrate that the magnetoresistive response originates from the intrinsic anisotropic angular dependence of the magnetization orientation between the two ferromagnetic layers. This also provides direct proof that the spin-dependent scattering in the bulk of the magnetic layers is at the origin of the magnetoresistive signal.
ISSN:1098-0121
1550-235X
DOI:10.1103/PhysRevB.86.024421