Barkhausen avalanches in anisotropic ferromagnets with 180° domain walls

Tadić, Bosiljka; Nowak, Ulrich

Barkhausen avalanches in anisotropic ferromagnets with 180° domain walls

Dateien

Tadic_2000_BarkhausenAvalanches.pdfGröße: 310.4 KBDownloads: 164

Datum

2000

Autor:innen

Tadić, Bosiljka

Nowak, Ulrich

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Physical Review E. 2000, 61(4), pp. 4610-4613. Available under: doi: 10.1103/PhysRevE.61.4610

Zusammenfassung

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.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

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.61.4610

BibTex

@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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Universitätsbibliographie

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