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The effect of cluster size on thin film media noise

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4 Author(s)
Miles, J.J. ; Dept. of Electr. Eng., Manchester Univ., UK ; Wdowin, M. ; Oakley, J.P. ; Middleton, Barry K.

A dynamic micromagnetic model of thin film magnetic recording media with generalised structure has been used to study the effect of cluster size on thin film media noise. Clusters formed by common crystallography and by intergranular exchange coupling have been simulated, and the effects of clustering on hysteresis and noise are presented. For small clusters of a few grains, crystallographic correlations are shown to have the same effect on noise as intergranular exchange coupling, giving an increase in magnetic feature size and noise.<>

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Magnetics, IEEE Transactions on  (Volume:31 ,  Issue: 2 )