Current-induced effective field in perpendicularly magnetized Ta/CoFeB/MgO wire

被引：133

作者：

Suzuki, T. ^{[1
]}

Fukami, S. ^{[2
]}

Ishiwata, N. ^{[2
]}

Yamanouchi, M. ^{[3
]}

Ikeda, S. ^{[3
,4
]}

Kasai, N. ^{[2
,3
]}

Ohno, H. ^{[3
,4
]}

机构：

[1] Renesas Elect Corp, Kanagawa 2525298, Japan

[2] NEC Corp Ltd, Kanagawa 2525298, Japan

[3] Tohoku Univ, Ctr Spintron Integrated Syst, Sendai, Miyagi 9808577, Japan

[4] Tohoku Univ, Elect Commun Res Inst, Lab Nanoelect & Spintron, Sendai, Miyagi 9808577, Japan

来源：

APPLIED PHYSICS LETTERS | 2011年 / 98卷 / 14期

基金：

日本学术振兴会;

关键词：

D O I：

10.1063/1.3579155

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The current-induced effective field in perpendicularly magnetized Ta/CoFeB/MgO wire was investigated. A threshold field decrease of 6.4 kOe/mA was observed by measuring the threshold field of Hall resistance versus the magnetic field curve with various bias currents. The decrease was probably caused by the in-plane effective field, mainly due to the Rashba effect. The effective field of the Ta/CoFeB/MgO wire was smaller and opposite in direction compared to that of Pt/Co/AlO(x) previously reported. (C) 2011 American Institute of Physics. [doi:10.1063/1.3579155]

引用

页数：3

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