Magnetoresistance in magnetic tunnel junctions with amorphous electrodes

被引:1
作者
Nakajima, K [1 ]
Feng, G [1 ]
Coey, JMD [1 ]
机构
[1] Univ Dublin Trinity Coll, Dept Phys, SFI Trinity Nanosci Lab, Dublin 2, Ireland
关键词
amorphous; MTJ; spin-dependent tunneling;
D O I
10.1109/TMAG.2005.854717
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
Magnetic tunnel junctions (MTJs) with amorphous CoFeB and Co2MnSi electrodes were fabricated and examined. In the case of [Co90Fe10](100-x)B-x, the x = 32% boron addition reduces the magnetization by 30% compared to Co90Fe10, yet the reduction of the tunnel magnetoresistance (TMR) is over 95%. On the contrary, in the case of Co(100-x-y)MnxSiy, although net magnetization is very small at room temperature, the TMR can be as large as 7%. The character of each metalloid (boron and silicon) could be responsible for the peculiar behavior to each system.
引用
收藏
页码:2609 / 2611
页数:3
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