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Reversible processes in magnetization reversal of co-precipitated cobalt ferrite

Medina-Boudri, A ; Cornejo, D.R ; Ayala, O ; Bertorello, H.R ; Matutes-Aquino, J

Journal of Magnetism and Magnetic Materials, 2003, Vol.254, pp.219-221 [Periódico revisado por pares]

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  • Título:
    Reversible processes in magnetization reversal of co-precipitated cobalt ferrite
  • Autor: Medina-Boudri, A ; Cornejo, D.R ; Ayala, O ; Bertorello, H.R ; Matutes-Aquino, J
  • Assuntos: Cobalt Ferrite ; Magnetization Reversal ; Reversible and Irreversible Magnetization ; Physics
  • É parte de: Journal of Magnetism and Magnetic Materials, 2003, Vol.254, pp.219-221
  • Descrição: A study of the magnetization reversal process in a co-precipitated cobalt ferrite material at 300 K was carried out. The evolution of the reversible M rev and irreversible M irr magnetization components were determined by measuring sets of recoil curves from different points on the initial magnetization curve and demagnetization curve. From these data, M rev ( M irr ) H i curves were built, being H i the internal field of the sample. The interrelation function η =( M rev / M irr ) H i was determined as well. The results suggest that domain wall movement subject to pinning is the dominant mechanism for the reversal magnetization process in this material.
  • Idioma: Inglês

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