Control of magnetic anisotropy in a Co thin film on a flexible substrate by applying biaxial tensile strain

被引：24

作者：

Matsumoto, H. ^{[1
,2
]}

Ota, S. ^{[1
,2
]}

Koyama, T. ^{[2
,3
]}

Chiba, D. ^{[2
,3
]}

机构：

[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[2] Osaka Univ, Inst Sci & Ind Res, Ibaraki, Osaka 5670047, Japan

[3] Osaka Univ, Ctr Spintron Res Network Osaka, Toyonaka, Osaka 5608531, Japan

来源：

APPLIED PHYSICS LETTERS | 2021年 / 118卷 / 02期

关键词：

ULTRATHIN FILMS; FE(100) FILMS; MAGNETOSTRICTION; TEMPERATURE; TRANSITIONS; DEPENDENCE; THICKNESS; DIRECTION;

D O I：

10.1063/5.0035003

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We have demonstrated a reversible control of magnetic anisotropy in Pt/Co and Pd/Co structures formed on a polyethylene naphthalate flexible substrate by stretching the substrate biaxially. Compared with the case of the uniaxial tensile strain, which has been previously studied, the in-plane biaxial tensile strain produces much larger compressive strain normal to the plane, resulting in the significant modulation of the perpendicular magnetic anisotropy. We found the magnetic easy axis switching from in-plane to out-of-plane by applying up to 2% biaxial strain. In-plane magnetic anisotropy induced by the biaxial tensile strain is also investigated.

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页数：5

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