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相关论文: Damping-like Torque in Monolayer 1T-TaS$_2$

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In the increasing interests on spin-orbit torque (SOT) with various magnetic materials, we investigated SOT in rare earth-transition metal ferrimagnetic alloys. The harmonic Hall measurements were performed in Pt/GdFeCo bilayers to quantify…

Two-dimensional (2D) layered transition metal dichalcogenides (TMDs) have been recently proposed as appealing candidate materials for spintronic applications owing to their distinctive atomic crystal structure and exotic physical properties…

We show that H-phase transition metal dichalcogenides (TMDs) monolayers such as MoS$_2$ and WSe$_2$, are orbital Hall insulators. They present very large orbital Hall conductivity plateaus in their semiconducting gap, where the spin Hall…

介观与纳米尺度物理 · 物理学 2020-05-06 Luis M. Canonico , Tarik P. Cysne , Alejandro Molina-Sanchez , R. B. Muniz , Tatiana G. Rappoport

Crystalline two-dimensional (2D) superconductors with low carrier density are an exciting new class of materials in which superconductivity coexists with strong interactions, the effects of complex topology are not obscured by disorder, and…

We show that spin-orbit splitting (SOS) in monolayers of semiconducting transition metal dichalcogenides (TMDs) is substantially enhanced by electron-electron interaction. This effect, similar to the exchange-enhancement of the electron…

介观与纳米尺度物理 · 物理学 2024-10-18 Igor Rozhansky , Vladimir Fal'ko

Efficient generation of spin-orbit torques (SOTs) is central for the exciting field of spin-orbitronics. Platinum, the archetypal spin Hall material, has the potential to be an outstanding provider for spin-orbit torques due to its giant…

介观与纳米尺度物理 · 物理学 2021-08-17 Lijun Zhu , Daniel C. Ralph , Robert A Buhrman

Atomically thin MoSe2 is a promising platform for investigating quantum phenomena due to its large effective mass, high crystal quality, and strong spin-orbit coupling. In this work, we demonstrate a triple-gate device design with bismuth…

介观与纳米尺度物理 · 物理学 2025-05-05 Chang Liu , Tongtong Jia , Zheng Sun , Yu Gu , Fan Xu , Kenji Watanabe , Takashi Taniguchi , Jinfeng Jia , Shiyong Wang , Xiaoxue Liu , Tingxin Li

Current-induced spin-orbit torque (SOT) in normal metal/ferromagnet (NM/FM) bilayers bears great promise for technological applications, but the microscopic origin of purely interfacial SOTs in ultra-thin systems is not yet fully…

介观与纳米尺度物理 · 物理学 2023-02-02 Alessandro Veneri , David T. S. Perkins , Aires Ferreira

The 5d transition-metal oxides have been an intriguing platform to demonstrate efficient charge to spin current conversion due to a unique electronic structure dominated by strong spin-orbit coupling. Here, we report on stacking-order…

材料科学 · 物理学 2021-10-07 Kohei Ueda , Naoki Moriuchi , Kenta Fukushima , Takanori Kida , Masayuki Hagiwara , Jobu Matsuno

Spin-orbit torque (SOT) enables ultra-fast, energy-efficient magnetization switching, making it a promising mechanism for introducing MRAMs for cache memory applications. However, current SOT-MRAM devices face write efficiency limitations,…

Spin-orbit torques (SOTs) from transition metal oxides (TMOs) in conjunction with magnetic materials have recently attracted tremendous attention for realizing high-efficient spintronic devices. SrRuO3 is a promising candidate among TMOs…

材料科学 · 物理学 2024-03-04 Sheng Li , Bin Lao , Zengxing Lu , Xuan Zheng , Kenan Zhao , Liguang Gong , Tao Tang , Keyi Wu , Run-Wei Li , Zhiming Wang

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

High-entropy alloy (HEA) is a family of metallic materials with nearly equal partitions of five or more metals, which might possess mechanical and transport properties that are different from conventional binary or tertiary alloys. In this…

材料科学 · 物理学 2017-10-18 Tian-Yue Chen , Tsao-Chi Chuang , Ssu-Yen Huang , Hung-Wei Yen , Chi-Feng Pai

Motivated by recent experiments observing spin-orbit torque (SOT) acting on the magnetization $\vec{m}$ of a ferromagnetic (F) overlayer on the surface of a three-dimensional topological insulator (TI), we investigate the origin of the SOT…

介观与纳米尺度物理 · 物理学 2016-03-23 Farzad Mahfouzi , Branislav K. Nikolić , Nicholas Kioussis

All spin logic device (ASLD) blazes an alternative path for realizing ultra-low power computing in the Post-Moore era. However, initial device structure relying on ferromagnetic input/output and spin transfer torque (STT) driven…

Current-induced control of magnetization in ferromagnets using spin-orbit torque (SOT) has drawn attention as a new mechanism for fast and energy efficient magnetic memory devices. Energy-efficient spintronic devices require a spin-current…

1T$^{\prime}$ phase of the monolayer transition metal dichalcogenides has recently attracted attention for its potential in nanoelectronic applications. We theoretically prove the topological behavior and phase transition of…

介观与纳米尺度物理 · 物理学 2025-03-19 Mohammad Mortezaei Nobahari , Mahmood Rezaei Roknabadi

It has been shown that W in its resistive form possesses the largest spin-Hall ratio among all heavy transition metals, which makes it a good candidate for generating efficient dampinglike spin-orbit torque (DL-SOT) acting upon adjacent…

材料科学 · 物理学 2018-01-12 Ting-Chien Wang , Tian-Yue Chen , Chun-Te Wu , Hung-Wei Yen , Chi-Feng Pai

Spin-Orbit Torque (SOT) Magnetic Random-Access Memories (MRAM) have shown promising results towards the realization of fast, non-volatile memory systems. Oxidation of the heavy-metal (HM) layer of the SOT-MRAM has been proposed as a method…

Spin-orbit torque (SOT) in the heavy elements with a large spin-orbit coupling (SOC) has been frequently used to manipulate the magnetic states in spintronic devices. Recent theoretical works have predicted that the surface oxidized light…

材料科学 · 物理学 2024-05-13 Kun Zheng , Cuimei Cao , Yingying Lu , Jing Meng , Junpeng Pan , Zhenjie Zhao , Yang Xu , Tian Shang , Qingfeng Zhan