Co2FeAl films with perpendicular magnetic anisotropy in multilayer structure

被引：3
|
作者：
Li, X. Q. [1 ]
Xu, X. G. [1 ]
Yin, S. Q. [1 ]
Zhang, D. L. [1 ]
Miao, J. [1 ]
Jiang, Y. [1 ]
机构：
[1] Univ Sci & Technol Beijing, State Key Lab Adv Met & Mat, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
来源：
1ST INTERNATIONAL SYMPOSIUM ON SPINTRONIC DEVICES AND COMMERCIALIZATION (ISSDC2010) | 2011年 / 263卷
关键词：
TUNNEL-JUNCTION; MGO;
D O I：
10.1088/1742-6596/263/1/012021
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：
We have fabricated Co2FeAl (CFA) films with perpendicular magnetic anisotropy (PMA) in a (Co2FeAl/Ni)(6) multilayer structure. The effects of underlayer Cu thickness (t(Cu)), Co2FeAl thickness (t(CFA)) and Ni thickness (t(Ni)) on the magnetic properties have been studied. The PMA is realized with a large anisotropy energy density K=3.7x10(6) ergs/cm(3), a high squareness M-r/M-s=1 and a small perpendicular coercivity H-c=60 Oe, while t(Cu), t(CFA) and t(Ni) are 9 nm, 0.2 nm and 0.6 nm respectively. The PMA remains after 300. annealing, which demonstrates better thermal stability of the (Co2FeAl/Ni)(6) multilayer than that of (Co/Ni)(n).
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页数：5
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