Publikation: Barkhausen avalanches in anisotropic ferromagnets with 180° domain walls
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2000
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Tadić, Bosiljka
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Physical Review E. 2000, 61(4), pp. 4610-4613. Available under: doi: 10.1103/PhysRevE.61.4610
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We show that Barkhausen noise in two-dimensional disordered ferromagnets with extended domain walls is characterized by the avalanche size exponent t s51.54 at low disorder. With increasing disorder the characteristic domain size is reduced relative to the system size due to nucleation of new domains and a dynamic phase transition occurs to the scaling behavior with t s51.30. The exponents decrease at finite driving rate. The results agree with recently observed behavior in amorphous Metglas and Fe-Co-B ribbons when the applied anisotropic stress is varied.
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TADIĆ, Bosiljka, Ulrich NOWAK, 2000. Barkhausen avalanches in anisotropic ferromagnets with 180° domain walls. In: Physical Review E. 2000, 61(4), pp. 4610-4613. Available under: doi: 10.1103/PhysRevE.61.4610BibTex
@article{Tadic2000Barkh-4670, year={2000}, doi={10.1103/PhysRevE.61.4610}, title={Barkhausen avalanches in anisotropic ferromagnets with 180° domain walls}, number={4}, volume={61}, journal={Physical Review E}, pages={4610--4613}, author={Tadić, Bosiljka and Nowak, Ulrich} }
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