Voltage-controlled magnetic anisotropy and Dzyaloshinskii-Moriya interactions in CoNi/MgO and CoNi/Pd/MgO

被引：11
|
作者：
Suwardy, Joko [1 ]
Goto, Minori [1 ,2 ]
Suzuki, Yoshishige [1 ,2 ,3 ]
Miwa, Shinji [1 ,2 ,4 ]
机构：
[1] Osaka Univ, Grad Sch Engn Sci, Toyonaka, Osaka 5608531, Japan
[2] Osaka Univ, CSRN, Toyonaka, Osaka 5608531, Japan
[3] Natl Inst Mat Sci, Res & Serv Div Mat Data & Integrated Syst, Ctr Mat Res Informat Integrat, Tsukuba, Ibaraki 3050047, Japan
[4] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2019年 / 58卷 / 06期
关键词：
MAGNETOCRYSTALLINE ANISOTROPY; ATOMIC LAYERS;
D O I：
10.7567/1347-4065/ab21a6
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Magnetic anisotropy and Dzyaloshinskii-Moriya interactions are essential ingredients in magnetic thin films for device applications. We perform spin-wave spectroscopy to study the influence of the number of 3d electrons on voltage-controlled magnetic anisotropy and voltage-controlled Dzyaloshinskii-Moriya interactions at the Co1-xNix/MgO and Co1-xNix/Pd/MgO interfaces. Both voltage-induced changes were found to increase with decreasing Ni content in the two systems, with pure Co showing the largest changes. These results are fundamental to the development of voltage-driven spintronic devices based on the (Co, Ni)/MgO system. (C) 2019 The Japan Society of Applied Physics
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页数：4
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