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相关论文: Roadmap of spin-orbit torques

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Spin-orbit torque (SOT) has been extensively studied as a key mechanism in spintronics applications. However, conventional SOT materials limit the spin polarization direction to the in-plane orientation, which is suboptimal for efficient…

介观与纳米尺度物理 · 物理学 2025-03-20 Yifei Yang , Jian-Ping Wang

Processing-in-memory (PIM) reduces data transfer latency by rolling memory and logic elements into one compute location. As an emergent material candidate for such an architecture, we propose a strained Weyl semimetal based…

介观与纳米尺度物理 · 物理学 2025-11-20 Youjian Chen , Hamed Vakili , Md Golam Morshed , Avik W. Ghosh

Current-induced spin-orbit torque (SOT) is regarded as a promising mechanism for driving neuromorphic behavior in spin-orbitronic devices. In principle, the strong SOT in heavy metal-based magnetic heterostructure is attributed to the…

介观与纳米尺度物理 · 物理学 2022-05-31 Tian-Yue Chen , Yu-Chan Hsiao , Wei-Bang Liao , Chi-Feng Pai

The ability of spintronic devices to utilize an electric current for manipulating the magnetization has resulted in large-scale developments, such as, magnetic random access memories and boosted the spintronic research area. In this regard,…

介观与纳米尺度物理 · 物理学 2018-08-22 Rajagopalan Ramaswamy , Jong Min Lee , Kaiming Cai , Hyunsoo Yang

Increasing dampinglike spin-orbit torque (SOT) is both of fundamental importance for enabling new research into spintronics phenomena and also technologically urgent for advancing low-power spin-torque memory, logic, and oscillator devices.…

介观与纳米尺度物理 · 物理学 2019-06-12 Lijun Zhu , Lujun Zhu , Shengjie Shi , Manling Sui , D. C. Ralph , R. A. Buhrman

Using type-x spin-orbit torque (SOT) switching scheme, in which the easy axis (EA) of the ferromagnetic (FM) layer and the charge current flow direction are collinear, is possible to realize a lower-power-consumption, higher-density, and…

介观与纳米尺度物理 · 物理学 2021-08-04 Yan-Ting Liu , Chao-Chung Huang , Kuan-Hao Chen , Yu-Hao Huang , Chia-Chin Tsai , Ting-Yu Chang , Chi-Feng Pai

Many key electronic technologies (e.g., large-scale computing, machine learning, and superconducting electronics) require new memories that are fast, reliable, energy-efficient, and of low-impedance at the same time, which has remained a…

应用物理 · 物理学 2020-01-15 Lijun Zhu , Lujun Zhu , Shengjie Shi , D. C. Ralph , R. A. Buhrman

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…

Spin-transfer torque magnetoresistive random access memory (STT-MRAM) is an attractive alternative to current random access memory technologies due to its non-volatility, fast operation and high endurance. STT-MRAM does though have…

介观与纳米尺度物理 · 物理学 2018-08-27 Noriyuki Sato , Fen Xue , Robert M. White , Chong Bi , Shan X. Wang

Spin-orbitronics, based on both spin and orbital angular momentum, presents a promising pathway for energy-efficient memory and logic devices. Recent studies have demonstrated the emergence of orbital currents in light transition metals…

A device based on current-induced spin-orbit torque (SOT) that functions as an electronic neuron is proposed in this work. The SOT device implements an artificial neuron's thresholding (transfer) function. In the first step of a two-step…

新兴技术 · 计算机科学 2015-06-23 Abhronil Sengupta , Sri Harsha Choday , Yusung Kim , Kaushik Roy

Current-induced spin-orbit torque (SOT) has emerged as a promising method for achieving energy-efficient magnetisation switching in advanced spintronic devices. Over the past two decades, researchers have primarily focused on enhancing spin…

Spin orbit torque (SOT) has been considered as one of the promising technologies for the next-generation magnetic random access memory (MRAM). So far, SOT has been widely utilized for inducing various modes of magnetization switching.…

应用物理 · 物理学 2022-10-19 Tongxi Liu , Zhaohao Wang , Min Wang , Chao Wang , Bi Wu , Weiqiang Liu , Weisheng Zhao

While early magnetic memory designs relied on magnetization switching by locally generated magnetic fields, key insights in condensed matter physics later suggested the possibility to do it electrically. In the 1990s, Slonczewzki and Berger…

应用物理 · 物理学 2024-11-01 Albert Fert , Ramamoorthy Ramesh , Vincent Garcia , Fèlix Casanova , Manuel Bibes

Writing magnetic bits by spin-orbit torques (SOTs) arising from spin Hall effect creates new possibilities for ultrafast and low-power magnetoresistive random access memory (MRAM). For perpendicular MRAM, an extra in-plane field is required…

应用物理 · 物理学 2019-11-25 Yang Liu , Bing Zhou , Zhengkun Dai , Enbo Zhang , Jian-Gang Zhu

Spin polarized currents are employed to efficiently manipulate the magnetization of ferromagnetic ultrathin films by exerting a torque on it. If the spin currents are generated by means of the spin-orbit interaction between a ferromagnetic…

介观与纳米尺度物理 · 物理学 2020-04-07 R. Guerrero , A. Anadon , A. Gudin , J. M. Diez , P. Olleros-Rodriguez , M. Muñoz , R. Miranda , J. Camarero , P. Perna

Materials with spin-orbit coupling are of great interest for various spintronics applications due to the efficient electrical generation and detection of spin-polarized electrons. Over the past decade, many materials have been studied,…

We report the observation of a spin-orbit torque (SOT) originating from the surface Rashba-Edelstein effect. We found that the SOT in a prototypical spin-orbitronic system, a Pt/Co bilayer, can be manipulated by molecular self-assembly on…

The discovery of an ever increasing family of atomic layered magnetic materials, together with the already established vast catalogue of strong spin-orbit coupling (SOC) and topological systems, calls for some guiding principles to tailor…

材料科学 · 物理学 2021-10-13 Hidekazu Kurebayashi , Jose H. Garcia , Safe Khan , Jairo Sinova , Stephan Roche

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