Electric Field Effect on Magnetization of an Fe Ultrathin Film

被引：16

作者：

Kawaguchi, Masashi ^{[1
]}

Shimamura, Kazutoshi ^{[1
]}

Ono, Shimpei ^{[2
]}

Fukami, Shunsuke ^{[3
]}

Matsukura, Fumihiro ^{[3
,4
,5
]}

Ohno, Hideo ^{[3
,4
,5
]}

Chiba, Daichi ^{[1
,6
]}

Ono, Teruo ^{[1
]}

机构：

[1] Kyoto Univ, Inst Chem Res, Uji, Kyoto 6110011, Japan

[2] Cent Res Inst Elect Power Ind, Komae, Tokyo 2018511, Japan

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

[4] Tohoku Univ, WPI Adv Inst Mat Res, Sendai, Miyagi 9808577, Japan

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

[6] Japan Sci & Technol Agcy, PRESTO, Kawaguchi, Saitama 3220012, Japan

来源：

APPLIED PHYSICS EXPRESS | 2012年 / 5卷 / 06期

基金：

日本学术振兴会;

关键词：

D O I：

10.1143/APEX.5.063007

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We show the effect of an applied electric field on the magnetization of an Fe ultrathin film. An electric double layer was formed at the interface between an ionic liquid and the Fe layer by the accumulation of ions caused by applying a gate voltage, and a large electric field was exerted on the Fe film surface. The saturation magnetization increased when the electron density at the Fe surface increased. A change in the saturation magnetization of similar to 50% was observed by applying a gate voltage of +/- 2 V. (C) 2012 The Japan Society of Applied Physics

引用

页数：3

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