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Related papers: Enhancing spin-orbit torque by strong interfacial …

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We use a pure spin current originating from the spin Hall effect to generate a spin-orbit torque (SOT) strongly reducing the effective damping in an adjacent ferromagnet. Due to additional microwave excitation, large spin-wave amplitudes…

Mesoscale and Nanoscale Physics · Physics 2023-04-07 Toni Hache , Lukas Koerber , Tobias Hula , Kilian Lenz , Attila Kakay , Olav Hellwig , Juergen Lindner , Juergen Fassbender , Helmut Schultheiss

Electrically controllable non-volatile magnetic memories show great potential for the replacement of semiconductor-based technologies. Recently there has been strong interest in spin-orbit torque (SOT) induced magnetization reversal due to…

Spin-orbit-torque-driven auto-oscillations in spin Hall nano-oscillators (SHNOs) offer a transformative pathway toward energy-efficient, nanoscale microwave devices for next-generation neuromorphic computing and high-frequency technologies.…

The emergent two-dimensional (2D) ferromagnetic materials with unique magnetic properties have endowed great potential for next-generation spintronic devices with extraordinary merits of high flexibility, easy controllability, and high…

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…

Mesoscale and Nanoscale Physics · Physics 2018-07-04 Farzad Mahfouzi , Nicholas Kioussis

Current-induced spin torques are of great interest to manipulate the orientation of nanomagnets without applying external magnetic fields. They find direct application in non-volatile data storage and logic devices, and provide insight into…

In this study, the spin-orbit torque (SOT) in light metal oxide systems is investigated using an experimental approach based on harmonic Hall voltage techniques in out-of-plane (OOP) angular geometry for samples with in-plane magnetic…

Materials Science · Physics 2025-01-03 Y. Xu , B. Bony , S. Krishnia , R. Torrão Victor , S. Collin , A. Fert , J. -M. George , V. Cros , H. Jaffrès

The spin currents generated by spin-orbit coupling (SOC) in the nonmagnetic metal layer or at the interface with broken inversion symmetry are of particular interest and importance. Here, we have explored the spin current generation…

Materials Science · Physics 2020-03-02 Q. B. Liu , K. K. Meng , S. Q. Zheng , Y. C. Wu , J. Miao , X. G. Xu , Y. Jiang

Neuromorphic hardware as a non-Von Neumann architecture has better energy efficiency and parallelism than the conventional computer. Here, with numerical modeling spin-orbit torque (SOT) device using current-induced SOT and Joule heating…

Applied Physics · Physics 2023-04-19 Haotian Li , Liyuan Li , Kaiyuan Zhou , Chunjie Yan , Zhenyu Gao , Zishuang Li , Ronghua Liu

We report the development of the [Pt0.75Ti0.25/Co-Ni multilayer/Ta]n superlattice with strong spin-orbit torque, large perpendicular magnetic anisotropy, and low switching current density. We demonstrate that the efficiency of the…

Materials Science · Physics 2025-08-26 Xiaomiao Yin , Zhengxiao Li , Jun Kang , Changmin Xiong , Lijun Zhu

We investigate the amplification of externally excited spin waves via the Spin-Transfer-Torque (STT) effect in combination with the Spin-Hall-Effect (SHE) employing short current pulses. The results reveal that, in the case of an…

Electrical manipulation of magnetization by spin-orbit torque (SOT) has shown promise for realizing reliable magnetic memories and oscillators. To date, the generation of transverse spin current and SOT, whether it is of spin Hall effect…

Materials Science · Physics 2019-02-20 Yong-Chang Lau , Hwachol Lee , Kohji Nakamura , Masamitsu Hayashi

So far, studies of spin-orbit torques (SOT) in ferromagnets with perpendicular magnetic anisotropy (PMA) have been restricted to ultra thin samples, while a systematic study of its thickness dependence is still lacking in literature. In…

Mesoscale and Nanoscale Physics · Physics 2018-06-08 Niklas Roschewsky , Charles-Henri Lambert , Sayeef Salahuddin

Heavy metal/ferromagnet interfaces feature emergent spin-orbit effects absent in the bulk materials. Because of their inherent strong coupling between spin, charge and orbital degrees of freedom, such systems provide a platform for…

Mesoscale and Nanoscale Physics · Physics 2020-12-29 Frederico J. Sousa , Gen Tatara , Aires Ferreira

Materials with strong spin-orbit coupling and low crystalline symmetry are promising for generating large unconventional spin-orbit torques (SOTs), such as in-plane field-like (FL) torques and out-of-plane damping-like (DL) torques, which…

Spin waves in magnetic insulators are low-damping signal carriers that could enable a new generation of spintronic devices. The excitation, control, and detection of spin waves by metal electrodes is crucial for interfacing these devices to…

Mesoscale and Nanoscale Physics · Physics 2021-12-14 Iacopo Bertelli , Brecht G. Simon , Tao Yu , Jan Aarts , Gerrit E. W. Bauer , Yaroslav M. Blanter , Toeno van der Sar

Manipulating the electron spin with the aid of spin-orbit coupling (SOC) is an indispensable element of spintronics. Electrostatically gating a material with strong SOC results in an effective magnetic field which can in turn be used to…

Magnetization switching by current-induced spin-orbit torques (SOTs) is of great interest due to its potential applications for ultralow-power memory and logic devices. In order to be of technological interest, SOT effects need to switch…

Owing to the unique features of low Gilbert damping, long spin-diffusion lengths and zero Ohmic losses, magnetic insulators are promising candidate materials for next-generation spintronic applications. However, due to the localized…

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…