Perpendicular magnetization of L10-ordered FePt films in the thinnest limit

被引：34

作者：

Imada, S. ^{[1
]}

Yamasaki, A.

Suga, S.

Shima, T.

Takanashi, K.

机构：

[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan

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

来源：

APPLIED PHYSICS LETTERS | 2007年 / 90卷 / 13期

基金：

日本学术振兴会;

关键词：

D O I：

10.1063/1.2717516

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

L1(0)-ordered FePt ultrathin films with thickness down to subnanometer range were fabricated by alternate monatomic layer (ML) deposition of Fe and Pt on Pt (001) substrate and were capped by Pt. Perpendicular Fe magnetic moment under magnetic field, together with that under remanence, was detected by soft x-ray magnetic circular dichroism. Pt/(Fe 1 ML/Pt 1 ML)(3)/Pt (001), whose FePt layer is similar to 1 nm thick, showed perpendicular remanent magnetization at room temperature. At low temperatures, perpendicular remanent magnetization was found even at the thinnest end, i.e., 1 ML Fe sandwiched by Pt (001). (c) 2007 American Institute of Physics.

引用

页数：3

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