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Two-stage magnetization reversal in exchange biased bilayers / Leighton, C. (University of California, San Diego. Department of Physics) ; Fitzsimmons, M. R. (Los Alamos National Laboratory) ; Yashar, P. (Los Alamos National Laboratory) ; Hoffmann, Axel (Los Alamos National Laboratory) ; Nogués, Josep (Universitat Autònoma de Barcelona. Departament de Física) ; Dura, J. (National Institute of Standards and Technology (Estats Units d'Amèrica)) ; Majkrzak, C. F. (National Institute of Standards and Technology (Estats Units d'Amèrica)) ; Schuller, Ivan K. (University of California, San Diego. Department of Physics) ; American Physical Society
MnF2/Fe bilayers exhibit asymmetric magnetization reversal that occurs by coherent rotation on one side of the loop and by nucleation and propagation of domain walls on the other side of the loop. Here, we show by polarized neutron reflectometry, magnetization, and magnetotransport measurements that for samples with good crystalline "quality" the rotation is a two-stage process, due to coherent rotation to a stable state perpendicular to the cooling field direction. [...]
2001 - DOI (Digital Object Identifier)

10.1103/PhysRevLett.86.4394
Physical review letters, Vol. 86, Issue 19 (May 2001) , p. 4394-4397

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