Domain size effects in Barkhausen noise
M. Bahiana, Belita Koiller, S. L. A. de Queiroz, J. C. Denardin, R. L. Sommer
Abstract
The possible existence of self-organized criticality in Barkhausen noise is investigated theoretically through a single interface model, and experimentally from measurements in amorphous magnetostrictive ribbon Metglas 2605TCA under stress. Contrary to previous interpretations in the literature, both simulation and experiment indicate that the presence of a cutoff in the avalanche size distribution may be attributed to finite size effects.
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