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Deterministic current-induced spin-orbit torque (SOT) switching of magnetization in a heavy transition metal/ferromagnetic metal/oxide magnetic heterostructure with the ferromagnetic layer being perpendicularly-magnetized typically requires…

Spin-orbit torque (SOT)-induced magnetization switching shows promise for realizing ultrafast and reliable spintronics devices. Bipolar switching of perpendicular magnetization via SOT is achieved under an in-plane magnetic field collinear…

材料科学 · 物理学 2016-05-04 Shunsuke Fukami , Chaoliang Zhang , Samik DuttaGupta , Hideo Ohno

Current-induced spin-orbit torques (SOTs) are of interest for fast and energy-efficient manipulation of magnetic order in spintronic devices. To be deterministic, however, switching of perpendicularly magnetized materials by SOT requires a…

Spin-orbit torque (SOT) induced by spin Hall and interfacial effects in heavy metal(HM)/ferromagnetic(FM) bilayers has recently been employed to switch the magnetization direction using in-plane current injection. In this paper, using the…

介观与纳米尺度物理 · 物理学 2018-07-04 Farzad Mahfouzi , Nicholas Kioussis

Recently, it was demonstrated that field-free switching could be achieved by combining spin-orbit torque (SOT) and Dzyaloshinskii-Moriya interaction (DMI). However, this mechanism only occurs under certain conditions which have not been…

应用物理 · 物理学 2021-02-24 Min Wang , Zhaohao Wang , Xueying Zhang , Weisheng Zhao

Spin-orbit torque (SOT) provides an efficient way to achieve charge-to-spin conversion and can switch perpendicular magnetization, which is essential for designing novel energy-efficient spintronic devices. An out-of-plane SOT could…

材料科学 · 物理学 2023-01-02 Xiaomiao Yin , Lujun Wei , Pai Liu , Jiajv Yang , Pengchao Zhang , JinCheng Peng , Fei Huang , Ruobai Liu , Jun Du , Yong Pu

Spin-orbit torques (SOTs) have opened a new path to switch the magnetization in perpendicularly magnetized films and are of great interest due to their potential applications in novel data storage technology, such as the magnetic random…

材料科学 · 物理学 2017-02-02 Pan He , Xuepeng Qiu , Vanessa L. Zhang , Yang Wu , Meng Hau Kuok , Hyunsoo Yang

It has been demonstrated that the switching of perpendicular magnetization can be achieved with spin orbit torque (SOT) at an ultrafast speed and low energy consumption. However, to make the switching deterministic, an undesirable magnetic…

应用物理 · 物理学 2019-07-24 Zhaohao Wang , Zuwei Li , Min Wang , Bi Wu , Daoqian Zhu , Weisheng Zhao

Field-free switching of perpendicularly magnetized ferromagnetic layer by spin orbit torque (SOT) from the spin Hall effect (SHE) is of great interest in the applications of magnetic memory devices. In this paper, we investigate the…

应用物理 · 物理学 2020-04-22 Kai Wu , Diqing Su , Renata Saha , Jian-Ping Wang

Spin-orbit torques (SOT) allow the electrical control of magnetic states. Current-induced SOT switching of the perpendicular magnetization is of particular technological importance. The SOT consists of damping-like and field-like torques so…

We report spin-orbit torques (SOT) in L10-ordered perpendicularly magnetized FePt single layer, which is significantly influenced by disorder. Recently, self-induced SOT in L10-FePt single layer has been investigated, which is ascribed to…

材料科学 · 物理学 2021-02-03 S. Q. Zheng , K. K. Meng , Q. B. Liu , J. Miao , X. G. Xu , Y. Jiang

Current-induced magnetization switching by spin-orbit torque (SOT) holds considerable promise for next generation ultralow-power memory and logic applications. In most cases, generation of spin-orbit torques has relied on an external…

介观与纳米尺度物理 · 物理学 2020-03-03 Yu Sheng , Yi Cao , Kevin William Edmonds , Yang Ji , Houzhi Zheng , Kaiyou Wang

Spin-orbit-torque (SOT) induced magnetization switching in Co/Pt/Co trilayer, with two Co layers exhibiting magnetization easy axes orthogonal to each other is investigated. Pt layer is used as a source of spin-polarized current as it is…

We demonstrate spin-orbit torque (SOT) switching of amorphous CoTb single layer films with perpendicular magnetic anisotropy (PMA). The switching sustains even the film thickness is above 10 nm, where the critical switching current density…

Spin-orbit torque (SOT) represents an energy efficient method to control magnetization in magnetic memory devices. However, deterministically switching perpendicular memory bits usually requires the application of an additional bias field…

应用物理 · 物理学 2018-10-03 Qianchang Wang , John Domann , Guoqiang Yu , Anthony Barra , Kang L. Wang , Gregory P. Carman

Accurate quantification of the spin-orbit torques (SOTs) is critical for the identification and applications of new spin-orbitronic effects. One of the most popular techniques to qualify the SOTs is the switching angle shift, where the…

介观与纳米尺度物理 · 物理学 2025-09-10 Xiaomiao Yin , Guanglei Han , Guowen Gong , Jun Kang , Changmin Xiong , Lijun Zhu

Electrical control of magnetization is of crucial importance for integrated spintronics devices. Spin-orbit torques (SOT) in heavy-metal/ferromagnetic heterostructures have emerged as promising tool to achieve efficiently current-induced…

材料科学 · 物理学 2021-07-21 Leandro Salemi , Marco Berritta , Peter M. Oppeneer

Magnetization switching by spin-orbit torque (SOT) via spin Hall effect represents as a competitive alternative to that by spin-transfer torque (STT) used for magnetoresistive random access memory (MRAM), as it does not require high-density…

材料科学 · 物理学 2019-02-19 Yang Liu , Bing Zhou , Jian-Gang Zhu

The discovery of efficient magnetization switching activated by the spin Hall effect (SHE)-induced spin-orbit torque (SOT) changed the course of magnetic random-access memory (MRAM) research and development. However, for systems with…

介观与纳米尺度物理 · 物理学 2023-06-13 Chen-Yu Hu , Wei-De Chen , Yan-Ting Liu , Chao-Chun Huang , Chi-Feng Pai

Current-induced spin-orbit torques (SOTs) represent one of the most effective ways to manipulate the magnetization in spintronic devices. The orthogonal torque-magnetization geometry, the strong damping, and the large domain wall velocities…

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