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Exploration of intergranular exchange in perpendicular recording using a micromagnetic read/write model

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2 Author(s)
J. S. Goldberg ; Seagate Technol., Pittsburgh, PA, USA ; Hong Zhou

Transition jitter, transition parameter, track width, and cross-track correlation length are extracted from the output of a micromagnetic read/write model as intergranular exchange and reader off-track position are varied. Jitter calculated from theory using the microtrack-based transition width at the track center shows good agreement with the jitter extracted from the micromagnetic model output. The transition parameter is found to have a minimum value with respect to exchange, while track width and jitter show no increase up to a scaled exchange of 0.08.

Published in:

IEEE Transactions on Magnetics  (Volume:40 ,  Issue: 4 )