Fabrication of (Co 1-xFe x)-B particles with magnetic softness

Y. Shimada, Y. Endo, M. Yamaguchi, S. Okamoto, O. Kitakami

研究成果: Article査読

抄録

Amorphous Co xFe 1-x-B particles with magnetic softness were fabricated by chemical reduction of metal ions. Fabrication conditions to obtain particles with good magnetic softness are described. Co xFe 1-x-B particles with x= 0.90-0.95 exhibit superb softness because of their nearly zero-magnetostrictive property. The soft properties of the particles are thermally stable compared to other compositions such as Fe-B-P or Co 50 Fe 50 -B. Chains of Co xFe 1-x-B particles with x=0.95 produced in a magnetic field were studied in detail. The high permeability feature associated with the high aspect ratio of the chain shape exhibits only a slight change after annealing up to 400 degrees. The frequency dispersion of initial permeability exhibits two resonance peaks that are ascribed to the shape anisotropy of the chains.

本文言語English
論文番号6332612
ページ(範囲)2903-2906
ページ数4
ジャーナルIEEE Transactions on Magnetics
48
11
DOI
出版ステータスPublished - 2012

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

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