Magnetic softness of permalloy granular films produced by co-evaporation

T. Itoh, Y. Shimada, S. Yoshida, S. Okamoto, O. Kitakami, D. Shindo, Y. Murakami, J. H. Yoo

研究成果: Article

抜粋

Permalloy granular films were fabricated by co-evaporation. In this paper, MgF2 and CaF2 are used as matrices. The films exhibit good magnetic softness and perpendicular or inplane uniaxial anisotropy that determines high frequency characteristics. The anisotropy is considered to originate from alignment of nanosized granules connected with exchange interaction. Magnetization curves, susceptibility and transmission electron microscopic images support speculation of microscopic granular structure and origin of anisotropy. Very high deposition speed is possible without serious deterioration of magnetic softness. High controllability of anisotropy and high speed deposition are advantageous from the industrial standpoint.

元の言語English
ページ(範囲)3274-3276
ページ数3
ジャーナルIEEE Transactions on Magnetics
41
発行部数10
DOI
出版物ステータスPublished - 2005 10 1

ASJC Scopus subject areas

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

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