TY - JOUR
T1 - Magnetization reversal in submicron disks
T2 - Exchange biased vortices
AU - Sort, J.
AU - Hoffmann, A.
AU - Chung, S. H.
AU - Buchanan, K. S.
AU - Grimsditch, M.
AU - Baró, M. D.
AU - Dieny, B.
AU - Nogués, J.
PY - 2005/8/5
Y1 - 2005/8/5
N2 - Submicron, circular, ferromagnetic-antiferromagnetic dots exhibit different magnetization reversal mechanisms depending on the direction of the magnetic applied field. Shifted, constricted hysteresis loops, typical for vortex formation, are observed for fields along the exchange bias direction. However, for fields applied close to perpendicular to the exchange bias direction, magnetization reversal occurs via coherent rotation. Magnetic force microscopy imaging together with micromagnetic simulations are used to further clarify the different magnetic switching behaviors.
AB - Submicron, circular, ferromagnetic-antiferromagnetic dots exhibit different magnetization reversal mechanisms depending on the direction of the magnetic applied field. Shifted, constricted hysteresis loops, typical for vortex formation, are observed for fields along the exchange bias direction. However, for fields applied close to perpendicular to the exchange bias direction, magnetization reversal occurs via coherent rotation. Magnetic force microscopy imaging together with micromagnetic simulations are used to further clarify the different magnetic switching behaviors.
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U2 - 10.1103/PhysRevLett.95.067201
DO - 10.1103/PhysRevLett.95.067201
M3 - Article
AN - SCOPUS:27144431612
VL - 95
JO - Physical Review Letters
JF - Physical Review Letters
SN - 0031-9007
IS - 6
M1 - 067201
ER -