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Effects of Carbon Intermediate Layer on Structural and Magnetic Properties of Double-Layered Perpendicular Magnetic Recording Media

Yukio HONDA, Yoshiyuki HIRAYAMA, Atsushi KIKUKAWA, Masaaki FUTAMOTO

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Summary :

The effects of an intermediate layer of carbon on the structural and magnetic properties of a CoCrPtTa recording layer were investigated in double-layered perpendicular magnetic recording media with either amorphous CoTaZr or crystalline FeAlSi as soft magnetic backlayers. Introducing a thin layer of carbon enhanced the perpendicular magnetic anisotropy with both soft magnetic backlayers. This result suggests that the introduction of a non-magnetic intermediate layer is useful in improving the basic magnetic properties of the CoCr-alloy recording layer even when an amorphous soft magnetic backlayers is used.

Publication
IEICE TRANSACTIONS on Electronics Vol.E85-C No.10 pp.1745-1749
Publication Date
2002/10/01
Publicized
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DOI
Type of Manuscript
Special Section PAPER (Special Issue on Recent Progress in Information Storage Technology)
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