Magnetic and structural properties of quaternary (Fe-Co-Ni)50Pt50 alloy thin films

Takao Suzuki, Hiroshi Kanazawa, Akimasa Sakuma

研究成果: Conference article査読

19 被引用数 (Scopus)

抄録

The intrinsic perpendicular magnetic anisotropy constant Ku for (Fe-Co-Ni)50Pt50 quaternary alloy and (Fe-Cr)50Pt50 alloy thin films is discussed as a function of structure and composition. Both Ms and the estimated Ku values obtained by the extrapolation to order parameter S = 1 using the dependence of Ku on S become maximum at the valence electron number nelect = 8, being independent of alloy system. The magnetic anisotropy is determined to the first approximation by the Fermi energy, which changes with the number of electrons, but not by the band structure itself.

本文言語English
ページ(範囲)2794-2795
ページ数2
ジャーナルIEEE Transactions on Magnetics
38
5 I
DOI
出版ステータスPublished - 2002 9 1
外部発表はい
イベント2002 International Magnetics Conference (Intermag 2002) - Amsterdam, Netherlands
継続期間: 2002 4 282002 5 2

ASJC Scopus subject areas

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

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