Perpendicularly magnetized ferrimagnetic [Mn50Ga50/Co2FeAl] superlattice and the utilization in magnetic tunnel junctions

被引：4
|
作者：
Ma, Q. L. [1 ]
Zhang, X. M. [2 ]
Miyazaki, T. [1 ]
Mizukami, S. [1 ]
机构：
[1] Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan
[2] Northeastern Univ, Minist Educ, Key Lab Anisotropy & Texture Mat, Shenyang 110819, Peoples R China
来源：
AIP ADVANCES | 2015年 / 5卷 / 08期
关键词：
ROOM-TEMPERATURE; ANISOTROPY; MAGNETORESISTANCE; DENSITY; LAYERS;
D O I：
10.1063/1.4929831
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The ferrimagnetic superlattice (SL) [MnGa/Co2FeAl](n) exhibiting perpendicular magnetic anisotropy opened a new method for spintronics materials used in magnetic random access memory, because of the high anisotropy, small damping constant and tunable magnetization. In this work, we fabricated SLs with different MnGa composition and studied the MnGa composition dependence of the structure and magnetic properties of the SLs. Furthermore, we fabricated fully perpendicular magnetic tunnel junctions with SLs as both top and bottom electrodes. A clear tunnel magnetoresistance (TMR) effect with TMR ratio of 1.3% at room temperature was observed. (C) 2015 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License.
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页数：6
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