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Typical magnetic domain configurations of the alloy film recorded at the Co x-ray absorption edge (777 eV) with applied magnetic fields of (a), (b), (c), (d)0, and (e)−200 Oe. (f) M vs H hysteresis loop obtained via VSM measurement.
(a) Distributions of Barkhausen avalanches observed in the field steps I, II, III, and IV. (b) Two repetitive cyclic measurements in the exactly identical area of the sample.
Distributions of the Barkhausen avalanche size taken in the field steps (a) I, (b) II, (c) III, and (d) IV along the hysteresis loop in alloy film, where each distribution was determined from the statistical analysis of more than 700 Barkhausen avalanche sizes. The inserted images are superimposed domain configurations taken at the initial and final fields of each step.
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