Coercivity exceeding 100 kOe in epltaxially grown FePt sputtered films

T. Shima*, K. Takanashi, Y. K. Takahashi, K. Hono

*この研究の対応する著者

研究成果: Article査読

209 被引用数 (Scopus)

抄録

The magnetization process and microstructure of FePt (001) films with large perpendicular magnetic anisotropy were analyzed. The sample films were synthesized by co-sputtering Pt and Fe directly onto heated single crystalline MgO (001) substrates using a high vacuum multiple dc-sputtering system. The structural characteristics of the films were investigated using transmission electron microscopy and x-ray diffraction with Cu-Kα radiation. The results show that the value of uniaxial magnetic anisotropy is constant although the magnetic domain structure changes from single-to multidomain state, and thus show that magnetization process depends on the film morphology.

本文言語English
ページ(範囲)2571-2573
ページ数3
ジャーナルApplied Physics Letters
85
13
DOI
出版ステータスPublished - 2004 9 27
外部発表はい

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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