Reversal dynamics of interacting circular nanomagnets
D. Suess, T. Schrefl, J. Fidler and V. D. Tsiantos
IEEE Trans Magn., 37 (2001) 1960-1962.
The Gilbert equation of motion is solved to investigate the reversal
dynamics of interacting circular NiFe nanoelements. During magnetization
reversal of isolated circular nanomagnets inhomogeneous transient states
are formed. The exchange energy of the intermediates states, which is a
measure for the uniformity of the magnetization, increases with decreasing
Gilbert damping constant or increasing applied field. The magnetostatic
interac-tions lead to a further enhancement of the nonuniformity during
reversal of interacting nanomagnets.
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Feb. 13, 2001