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

页码：2368 / 2370

页数：3

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