Structure, morphology and magnetic properties of Fe-B-Si-Nb glassy alloy thin film prepared by a pulsed laser deposition method

被引：6

作者：

Takenaka, Kana ^{[1
]}

Sugimoto, Toshio ^{[2
]}

Nishiyama, Nobuyuki ^{[1
]}

Makino, Akihiro ^{[3
]}

Saotome, Yasunori ^{[4
]}

Hirotsu, Yoshihiko ^{[1
,5
]}

Inoue, Akihisa ^{[3
]}

机构：

[1] RIMCOF Tohoku Univ Lab, R&D Inst Met & Composites Future Ind, Sendai, Miyagi 9808577, Japan

[2] Fujitsu Lab Ltd, Morinosatowakamiya 2430197, Japan

[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[4] Tohoku Univ, Osaka Ctr Ind Mat Res, Sakai, Osaka 5998531, Japan

[5] Osaka Univ, Inst Sci & Ind Res, Osaka 5670047, Japan

来源：

MATERIALS LETTERS | 2009年 / 63卷 / 21期

关键词：

Deposition; Magnetic materials; Thin film; MULTILAYERS;

D O I：

10.1016/j.matlet.2009.05.062

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

With the aim of applying to a soft magnetic underlayer of the double-layered perpendicular magnetic recording media, an Fe74.9B17.5Si2.5Nb5.1 alloy thin film was fabricated on Si substrate by a pulsed laser deposition method. The Fe-based alloy thin film of 200 nm in thickness was confirmed as a glassy structure. The thermal properties of the thin film have similar features to those for the melt-spun glassy alloy ribbon. The glassy alloy thin film exhibits good soft magnetic properties. i.e., high B-s of 1.2 T and in-plane low H-c of 134 A/m. The Fe-B-Si-Nb glassy alloy thin film is expected to be suitable for the soft magnetic underlayer material in the double-layered perpendicular magnetic recording media. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1895 / 1897

页数：3

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