Magnetic anisotropy control of SrRuO3 films by tunable epitaxial strain

被引：87
|
作者：
Jung, CU [1 ]
Yamada, H
Kawasaki, M
Tokura, Y
机构：
[1] ERATO, SSS, Tsukuba, Ibaraki 3058562, Japan
[2] Natl Inst Adv Ind Sci & Technol, CERC, Tsukuba, Ibaraki 3050046, Japan
[3] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan
[4] Univ Tokyo, Dept Appl Phys, Tokyo 1138656, Japan
来源：
APPLIED PHYSICS LETTERS | 2004年 / 84卷 / 14期
关键词：
D O I：
10.1063/1.1695195
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We have investigated the effect of anisotropic structural modification through epitaxial strain on the magnetic properties in an itinerant ferromagnet SrRuO3. For giving tunable and anisotropic in-plane strain, variable thickness CaHfO3 buffer layer and SrTiO3 (STO) (110) substrate were employed, respectively. The strain could be tuned from compressive to tensile along in-plane STO[001](parallel to) direction, while keeping slightly compressive and coherent along another in-plane STO[1-10](parallel to) direction. Magnetic easy axis can always be aligned with elongated lattice direction either parallel or perpendicular to the surface, due to strong spin-orbit coupling. (C) 2004 American Institute of Physics.
引用
收藏
页码：2590 / 2592
页数：3
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