2026-04-20T02:32:22Zhttps://recercat.cat/oai/requestoai:recercat.cat:2072/3989902024-11-30T23:04:37Zcom_2072_98col_2072_378192
RECERCAT
author
Bonanni, Valentina
author
Fang, Yeyu
author
Dumas, Randy K.
author
Zha, Chaolin
author
Bonetti, Stefano
author
Nogués, Josep
author
Aakerman, Johan
author
American Physical Society
2010
This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.The reversal mechanisms of graded anisotropy FePtCu films have been investigated by alternating gradient magnetometer AGM and magneto-optical Kerr effect MOKE measurements with first-order reversal curve FORC techniques. The AGM-FORC analysis, which clearly shows the presence of soft and hard components, is unable to resolve how these phases are distributed throughout the film thickness. MOKE-FORC measurements, which preferentially probe the surface of the film, reveal that the soft components are indeed located toward the top surface. Combining AGM-FORC with the inherent surface sensitivity of MOKE-FORC analysis allows for a comprehensive analysis of heterogeneous systems such as graded materials.
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Física aplicada
First-order reversal curve analysis of graded anisotropy FePtCu films
Article