Thin films of SmCo5 with very high perpendicular magnetic anisotropy

J. Sayama, K. Mizutani, T. Asahi, T. Osaka

研究成果: Article査読

72 被引用数 (Scopus)

抄録

Thin films of SmCo5 with extraordinarily high perpendicular magnetic anisotropy were prepared by introducing a Cu/Ti dual underlayer and controlling the substrate temperature during the sputter deposition. Under optimized conditions, the magnetic anisotropy constant reached 4.0 × 107 erg/cm3, and the coercivity and the remanence ratio in the direction perpendicular to the film surface were 12.0 kOe and unity, respectively. The high perpendicular magnetic anisotropy is attributed to the high degree of preferred orientation of the c axis; the full width at half maximum in the rocking curve of SmCo5(002) reflection was 3.1°.

本文言語English
ページ(範囲)5640-5642
ページ数3
ジャーナルApplied Physics Letters
85
23
DOI
出版ステータスPublished - 2004 12 6

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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