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相关论文: Two-dimensional non-volatile valley spin valve

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Two-dimensional (2D) materials are promising candidates for spintronic applications. Maintaining their atomically smooth interfaces during integration of ferromagnetic (FM) electrodes is crucial since conventional metal deposition tends to…

介观与纳米尺度物理 · 物理学 2024-05-14 Zhongzhong Luo , Zhihao Yu , Xiangqian Lu , Wei Niu , Yao Yu , Yu Yao , Fuguo Tian , Chee Leong Tan , Huabin Sun , Li Gao , Wei Qin , Yong Xu , Qiang Zhao , Xiang-Xiang Song

Smart electronic circuits that support neuromorphic computing on the hardware level necessitate materials with memristive, memcapacitive, and neuromorphic-like functional properties; in short, the electronic response must depend on the…

Recently, altermagnets demonstrate numerous newfangle physical phenomena due to their inherent antiferromagnetic coupling and spontaneous spin splitting, that are anticipated to enable innovative spintronic devices. However, the rare…

材料科学 · 物理学 2025-04-28 Xin Hu , Weihang Zhao , Wenjun Xia , Hanbo Sun , Chao Wu , Yin-Zhong Wu , Ping Li

Heterostructures based on two dimensional (2D) materials offer the possibility to achieve synergistic functionalities which otherwise remain secluded by their individual counterparts. Herein ferroelectric polarization switching in…

A superconducting double spin valve device is proposed. Its operation takes advantage of the interplay between the spin-filtering effect of ferromagnetic insulators and superconductivity-induced out-of-equilibrium transport. Depending on…

介观与纳米尺度物理 · 物理学 2009-08-03 Francesco Giazotto

Valley polarization and altermagnetism are two emerging fundamental phenomena in condensed matter physics, offering unprecedented opportunites for information encoding and processing in novel energy-efficient devices. By coupling valley and…

材料科学 · 物理学 2025-08-12 Wen-Xin Jiang , Zhen-Hao Gong , Yuantao Chen , Zhigang Gui , Li Huang

We present the first spintronic semiconductor field effect transistor. The injector and collector contacts of this device were made from magnetic permalloy thin films with different coercive fields so that they could be magnetized either…

介观与纳米尺度物理 · 物理学 2009-10-31 S. Gardelis , C. G Smith , C. H. W. Barnes , E. H. Linfield , D. A. Ritchie

For decades, semiconductors and their heterostructures have underpinned both fundamental and applied research across all areas of electronics. Two-dimensional, 2D (atomically thin) semiconductors have now the potential to push further the…

Molybdenum disulfide has recently emerged as a promising two-dimensional semiconducting material for nano-electronic, opto-electronic and spintronic applications. However, demonstrating spin-transport through a semiconducting MoS2 channel…

We propose a fractionally quantized polarization induced by interlayer sliding in bilayer altermagnets, unveiling a previously unrecognized multiferroic phase termed sliding fractional quantum multiferroicity (SFQM). This unconventional…

材料科学 · 物理学 2025-12-29 Jiajun Lu , Mu Tian , Chaoxi Cui , Zhi-Ming Yu , Run-Wu Zhang , Yugui Yao

Here, we report the intriguing observation of stable non-volatile resistance switching (NVRS) in single-layer atomic sheets sandwiched between metal electrodes. NVRS is observed in the prototypical semiconducting (MX2, M=Mo, W; and X=S, Se)…

介观与纳米尺度物理 · 物理学 2017-09-15 Ruijing Ge , Xiaohan Wu , Myungsoo Kim , Harry Chou , Sushant Sonde , Li Tao , Jack C. Lee , Deji Akinwande

Control and manipulation of single charges and their internal degrees of freedom, such as spins, is a fundamental goal of nanoscience with promising technological applications. Recently, atomically thin semiconductors such as WSe$_2$ have…

介观与纳米尺度物理 · 物理学 2019-05-22 Xin Lu , Xiaotong Chen , Sudipta Dubey , Qiang Yao , Xingzhi Wang , Qihua Xiong , Ajit Srivastava

Two-dimensional (2D) half-metals with intrinsic ferromagnetism hold great potential for applications in spintronics. In this study, we aim to expand the known space of such 2D ferromagnetic (FM) half-metals by investigating bilayer of Janus…

材料科学 · 物理学 2025-08-29 Khushboo Dange , Shivprasad S. Shastri , Alok Shukla

The spin transfer torque in all-metal dual spin valve, in which two antiparallelly aligned pinned ferromagnetic layers are on the two sides of a free ferromagnetic layer with two thin nonmagnetic spacers in between, is studied in the…

介观与纳米尺度物理 · 物理学 2011-06-23 P. Yan , Z. Z. Sun , X. R. Wang

A large spin-accumulation voltage of more than 1.5 mV at 1 mA, i.e., a magnetoresistance of 1.5 {\Omega}, was measured by means of the local three-terminal magnetoresistance in nondegenerate Si-based lateral spin valves (LSVs) at room…

Van der Waals heterobilayers based on 2D transition metal dichalcogenides have been recently shown to support robust and long-lived valley polarization for potential valleytronic applications. However, the role of the band structure and…

Sliding ferroelectrics constructed from stacked nonpolar monolayers enable out-of-plane polarization in two dimensions with exceptional properties, including ultrafast switching speeds and fatigue-free behavior. However, the widely accepted…

材料科学 · 物理学 2025-02-04 Changming Ke , Fucai Liu , Shi Liu

The spin-transfer torque is a fundamental physical quantity to operate the spintronics devices such as racetrack memory. We theoretically study the spin-transfer torque and analyze the dynamics of the magnetic domain walls in magnetic Weyl…

介观与纳米尺度物理 · 物理学 2019-05-08 Daichi Kurebayashi , Kentaro Nomura

In this work, we theoretically and experimentally investigate the working principle and non-volatile memory (NVM) functionality of 2D $\alpha$-In$_2$Se$_3$ based ferroelectric-semiconductor-metal-junction (FeSMJ). First, we analyze the…

应用物理 · 物理学 2020-12-02 Atanu K. Saha , Mengwei Si , Peide Ye , Sumeet K. Gupta

2D van der Waals (vdW) ferromagnets have emerged as promising materials for spintronic applications due to their unique magnetic properties and tunability. Controlling ferromagnetism via external stimuli is critical for both fundamental…

材料科学 · 物理学 2025-08-12 Riku Iimori , Yuta Kodani , Shaojie Hu , Takashi Kimura
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