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Magnetoresistance in Magnetic Tunnel Junctions With Amorphous Electrodes

机译:带有非晶电极的磁性隧道结中的磁阻

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摘要

Magnetic tunnel junctions (MTJs) with amorphous CoFeB and Co{sub}2MnSi electrodes were fabricated and examined. In the case of [Co{sub}90Fe{sub}10]{sub}(100-x)B{sub}x, the x = 32% boron addition reduces the magnetization by 30% compared to Co{sub}90Fe{sub}10, yet the reduction of the tunnel magnetoresistance (TMR) is over 95%. On the contrary, in the case of Co{sub}(100-x-y)Mn{sub}xSi{sub}y, 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.
机译:制作并检查了具有非晶态CoFeB和Co {sub} 2MnSi电极的磁性隧道结(MTJ)。在[Co {sub} 90Fe {sub} 10] {sub}(100-x)B {sub} x的情况下,x = 32%的硼添加量使磁化强度比Co {sub} 90Fe {子} 10,但隧道磁阻(TMR)的降低超过95%。相反,在Co {sub}(100-x-y)Mn {sub} xSi {sub} y的情况下,尽管在室温下净磁化非常小,但TMR可以高达7%。每个准金属(硼和硅)的特性可能是每个系统的特殊行为。

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