Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2011-06-07
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
19 pages, 9 figures
Scientific paper
Hysteretic giant magnetoimpedance (GMI) of amorphous ribbons with a well-defined transversal domain structure is investigated by means of first-order reversal curves (FORC) analysis. The FORCs are not confined to the hysteretic area, exceeding the major curve amplitude. Irreversible switches of the transverse permeability, caused by domain wall structure transitions, may be the origin of the observed FORC distribution. An interlinked hysteron/anti-hysteron model is proposed to interpret it, which allows analyzing the influence of frequency and magnetostriction upon the hysteretic GMI effect.
Béron Fanny
Knobel Marcelo
Melo Luiz G. C.
Pirota leber K. R.
Valenzuela Lenina A.
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