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