Co-Mo and Co-Mo-Cr alloy thin films promising for magnetic recording

G. W. Qin, K. Oikawa, M. Sato, O. Kitakami, Y. Shimada, K. Fukamichi, K. Ishida

研究成果: Article査読

12 被引用数 (Scopus)

抄録

Phase separation behavior of Co-Mo thin films and magnetic anisotropy energy of Co-Mo and Co-Mo-Cr thin films deposited on Cr(112)//MgO(110) single crystal substrates have been studied by using an analytic transmission electron microscope and a vibrating sample magnetometer. The results show that the phase separation does happen in the Co-Mo thin films, resulting in Mo-rich phase surrounding Co-rich magnetic grains, similar as that in the Co-Cr system. However, the Mo-rich phase still shows the ferromagnetic characteristic at room temperature due to its not so high Mo content. The first order anisotropy constants of the Co-Mo thin films are about double that of the Co-Cr thin films in the composition range of 4.0-14.0 at.%Mo (or Cr). With the addition of Cr into the Co-8.7 at.%Mo thin film, the magnetic anisotropy constants show no obvious deterioration, but it results in the increase of anisotropy field.

本文言語English
ページ(範囲)918-920
ページ数3
ジャーナルIEEE Transactions on Magnetics
41
2
DOI
出版ステータスPublished - 2005 2
外部発表はい

ASJC Scopus subject areas

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

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