Magnetic properties of FeCo multilayered films for single pole heads

被引：14
|
作者：
Okada, Y [1 ]
Hoshiya, H [1 ]
Okada, T [1 ]
Fuyama, M [1 ]
机构：
[1] Hitachi Ltd, Res & Dev Grp, Odawara, Kanagawa 2568510, Japan
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2004年 / 40卷 / 04期
关键词：
antiferromagnetic coupling; erase-after-write; FeCo multilayered films; perpendicular recording;
D O I：
10.1109/TMAG.2004.830176
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
FeCo films multilayered with nonmagnetic NiCr and Cr thin films was investigated. [FeCo/NiCr](n) multilayered films indicated a much lower remanent flux density and coercivity than the FeCo single-layered films. The [FeCo/Cr](n) multilayered films showed antiferromagnetic coupling and a Ruderman-Kittel-Kasuya-Yoshida-like oscillating interaction, due to the flat interface between the FeCo and the Cr. We fabricated the single-pole-tip write heads with FeCo multilayered films and found that the heads with the antiferromagnetic coupling at the main pole suppressed the erase-after-write.
引用
收藏
页码：2368 / 2370
页数：3
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