Charged wall formation and propagation analysis in ion-implanted contiguous disk bubble devices

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Abstract
Magnetic anisotropy energy along a pattern edge is found to be important for charged wall formation at the pattern edge in ion-implanted contiguous disk bubble propagation track. Charged wall formation and propagation are found to be little affected by the demagnetizing effect at the pattern edge. Charged wall formation and propagation mechanisms are well explained on the basis of the Stoner-Wohlfarth magnetization reversal model, taking into consideration magnetic anisotropy energy along the pattern edge.