Spin-orbit torque generated from perpendicularly magnetized Co/Ni multilayers

Y. Hibino; K. Yakushiji; A. Fukushima; H. Kubota; S. Yuasa

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Spin-orbit torque generated from perpendicularly magnetized Co/Ni multilayers

机译：从垂直磁化的CO / NI多层产生的旋转轨道扭矩

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We report the existence of a spin-orbit torque generated from charge to spin conversion in perpendicularly magnetized ferromagnetic material through spin-torque ferromagnetic resonance (ST-FMR) measurement. We fabricated a trilayer structure consisting of a Cu spacer layer sandwiched between an in-plane magnetized FeB layer and perpendicularly magnetized Co/Ni multilayers. From the ferromagnetic resonance under DC bias current application, we observed a significant linewidth modulation in the FeB layer attributed to the charge to spin conversion generated from Co/Ni multilayers. In-plane angular dependence and the magnetization polarity dependence of the linewidth modulation reveal that two types of charge to spin conversion with different symmetry coexist in the single Co/Ni multilayers.

机译：我们通过旋转扭矩铁磁性共振（ST-FMR）测量来报告从电荷旋转以旋转转换的旋转轨道扭矩的存在，以通过旋转扭矩铁磁性谐振（ST-FMR）测量。我们制造了由夹在平面内磁化的FeB层和垂直磁化的CO / Ni多层之间的Cu间隔层的三层结构。从DC偏置电流应用下的铁磁共振，我们观察到FEB层中的显着的线宽调制归因于来自CO / Ni多层产生的旋转转换的电荷。在线宽调制的面内角度依赖性和磁化极性依赖性揭示了在单个Co / Ni多层中的不同对称共存的两种类型的旋转转换。

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《Physical review》 |2020年第17期|174441.1-174441.7|共7页
作者
Y. Hibino; K. Yakushiji; A. Fukushima; H. Kubota; S. Yuasa;
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National Institute of Advanced Industrial Science and Technology (AIST) Spintronics Research Center Tsukuba Ibaraki 305-8658 Japan;

National Institute of Advanced Industrial Science and Technology (AIST) Spintronics Research Center Tsukuba Ibaraki 305-8658 Japan;

National Institute of Advanced Industrial Science and Technology (AIST) Spintronics Research Center Tsukuba Ibaraki 305-8658 Japan;

National Institute of Advanced Industrial Science and Technology (AIST) Spintronics Research Center Tsukuba Ibaraki 305-8658 Japan;

National Institute of Advanced Industrial Science and Technology (AIST) Spintronics Research Center Tsukuba Ibaraki 305-8658 Japan;

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1. Spin-orbit torque generated from perpendicularly magnetized Co/Ni multilayers [J] . Hibino Y., Yakushiji K., Fukushima A., Physical review, B . 2020,第17期

机译：从垂直磁化的CO / NI多层产生的旋转轨道扭矩
2. Tunable spin-orbit torque efficiency in in-plane and perpendicular magnetized [Pt/Co]_n multilayer [J] . Fen Xue, Shy-Jay Lin, Mahendra DC, Applied Physics Letters . 2021,第4期

机译：在平面内和垂直磁化的可调旋转轨道扭矩效率[pt / co] _n多层
3. Low power spin-orbit torque switching in sputtered BiSb topological insulator/perpendicularly magnetized CoPt/MgO multilayers on oxidized Si substrate [J] . Tuo Fan, Nguyen Huynh Duy Khang, Takanori Shirokura, Applied Physics Letters . 2021,第8期

机译：溅射BISB拓扑绝缘体中的低功率自旋轨道扭矩切换/垂直磁化的COPT / MgO多层氧化Si衬底
4. Spin-orbit torque magnetization switching in a perpendicularly magnetized ferromagnetic-semiconductor single layer:Damping like torque and field like torque [C] . Miao Jiang, Hirokatsu Asahara, Shoichi Sato, 応用物理学会秋季学術講演会;応用物理学会 . -1

机译：垂直磁化铁磁半导体单层中的自旋轨道转矩磁化转换：像转矩一样的阻尼和像转矩一样的磁场
5. A Study of Spin-Orbit Torques and Deterministic Field-Free Switching of Perpendicular Magnetization [D] . Razavi, Seyed Armin. 2020

机译：旋转轨道扭矩的研究与垂直磁化的确定性现场切换
6. Competing effect of spin-orbit torque terms on perpendicular magnetization switching in structures with multiple inversion asymmetries [O] . Guoqiang Yu, Mustafa Akyol, Pramey Upadhyaya, -1

机译：自旋轨道转矩项对具有多个反演不对称结构的垂直磁化转换的竞争作用
7. Spin-orbit torque (SOT) effective fields and SOT-induced switching in perpendicularly magnetized multilayers [O] . Sihua Li -1

机译：旋转轨道扭矩（SOT）有效的领域和SOT引起的垂直磁化多层的开关

Spin-orbit torque generated from perpendicularly magnetized Co/Ni multilayers

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