Publications (46)
Self-supervised Gait-based Emotion Representation Learning from Selective Strongly Augmented Skeleton Sequences
Cheng Song, Lu Lu, Zhen Ke +2
Emotion recognition is an important part of affective computing. Extracting emotional cues from human gaits yields benefits such as natural interaction, a nonintrusive nature, and…
Crystal design of altermagnetism
Zhiyuan Zhou, Xingkai Cheng, Mengli Hu +3
Symmetry plays a fundamental role in condensed matter. The unique entanglement between magnetic sublattices and alternating crystal environment in altermagnets provides a unique op…
Observation of Anomalous Hall Effect in Noncollinear Antiferromagnetic Mn3Sn Films
Yunfeng You, Xianzhe Chen, Xiaofeng Zhou +4
Magnetotransport is at the center of the spintronics. Mn3Sn, an antiferromagnet that has a noncollinear 120° spin order, exhibits large anomalous Hall effect (AHE) at room tempera…
Long-distance propagation of high-velocity antiferromagnetic spin waves
Hanchen Wang, Rundong Yuan, Yongjian Zhou +8
We report on coherent propagation of antiferromagnetic (AFM) spin waves over a long distance (10 m) at room temperature in a canted AFM -FeO with the Dzyalosh…
Observation of spin splitting torque in a collinear antiferromagnet RuO2
Hua Bai, Lei Han, Xiaoyu Feng +7
Current-induced spin torques provide efficient data writing approaches for magnetic memories. Recently, the spin splitting torque (SST) was theoretically predicted (R. González-He…
Oxygen-Octahedral-Tilting-Driven Topological Hall Effect in Ultrathin SrRuO3 Films
Youdi Gu, Yi-Wen Wei, Kun Xu +13
Topological spin textures as an emerging class of topological matter offer a medium for information storage and processing. The recently discovered topological Hall effect (THE) is…
CGS-Mask: Making Time Series Predictions Intuitive for All
Feng Lu, Wei Li, Yifei Sun +3
Artificial intelligence (AI) has immense potential in time series prediction, but most explainable tools have limited capabilities in providing a systematic understanding of import…
Asymmetric scattering behaviors of spin wave dependent on magnetic vortex chirality
Xue-Feng Zhang, Je-Ho Shim, Xiao-Ping Ma +3
In this letter, an asymmetric spin wave scattering behaviors caused by vortex chirality are investigated in cross-shaped ferromagnetic system. In the system, four scattering behavi…
Observation of non-volatile anomalous Nernst effect in altermagnet with collinear Néel vector
Lei Han, Xizhi Fu, Wenqing He +11
Anomalous Nernst effect (ANE), a widely investigated transverse thermoelectric effect that converts waste heat into electrical energy with remarkable flexibility and integration ca…
Current-induced in-plane magnetization switching in biaxial ferrimagnetic insulator
Yongjian Zhou, Chenyang Guo, Caihua Wan +9
Ferrimagnetic insulators (FiMI) have been intensively used in microwave and magneto-optical devices as well as spin caloritronics, where their magnetization direction plays a funda…
Room-temperature magnetic p-n junctions for charge-and-spin diodes
Yuzhang Jiao, Yutong Wang, Xiangning Du +11
Non-magnetic p-n junctions have been fundamental components in the silicon era, serving as the backbone for nearly all Si-based semiconductor devices, including transistors. To tac…
Recent progress in voltage control of magnetism: Materials, mechanisms, and performance
Cheng Song, Bin Cui, Fan Li +2
Voltage control of magnetism (VCM) is attracting increasing interest and exciting significant research activity driven by its profound physics and enormous potential for applicatio…
Electrical detection in two-terminal perpendicularly magnetized devices via geometric anomalous Nernst effect
Jiuming Liu, Bin Rong, Hua Bai +10
The non-uniform current distribution arisen from either current crowding effect or hot spot effect provides a method to tailor the interaction between thermal gradient and electron…
Thermal generation, manipulation and detection of skyrmions
Zidong Wang, Minghua Guo, Heng-An Zhou +19
Recent years have witnessed significant progresses in realizing skyrmions in chiral magnets1-4 and asymmetric magnetic multilayers5-13, as well as their electrical manipulation2,7,…
Ordered creation and motion of skyrmions with surface acoustic wave
Ruyi Chen, Chong Chen, Lei Han +6
Magnetic skyrmions with a well-defined spin texture have shown unprecedented potential for various spintronic applications owning to their topologically non-trivial and quasipartic…
Electrical Manipulation of Spin Splitting Torque in Altermagnetic RuO2
Yichi Zhang, Hua Bai, Lei Han +9
Due to nonrelativistic altermagnetic spin splitting effect (ASSE), altermagnets can generate time-reversal-odd spin current and spin splitting torque (SST) with spin polarization p…
Electrical-controllable antiferromagnet-based tunnel junction
Lei Han, Xuming Luo, Yingqian Xu +6
Electrical-controllable antiferromagnet tunnel junction is a key goal in spintronics, holding immense promise for ultra-dense and ultra-stable antiferromagnetic memory with high pr…
How to manipulate magnetic states of antiferromagnets
Cheng Song, Yunfeng You, Xianzhe Chen +3
Antiferromagnetic materials, which have drawn considerable attention recently, have fascinating features: they are robust against perturbation, produce no stray fields, and exhibit…
Antiferromagnetic magnonic charge current generation via ultrafast optical excitation
Lin Huang, Liyang Liao, Hongsong Qiu +9
Néel spin-orbit torque allows a charge current pulse to efficiently manipulate the Néel vector in antiferromagnets, which offers a unique opportunity for ultrahigh density inform…
Noble-Metal-Assisted Fast Interfacial Oxygen Migration with Topotactic Phase Transition in Perovskite Oxides
Qian Wang, Youdi Gu, Wenxuan Zhu +3
Transition-metal perovskite oxides constitute a series of functional material systems for electronics, catalysis and energy-conversion processes, in which oxygen migration and evol…
A Unified Theory of Deterministic Magnetic Switching
Xizhi Fu, Lei Han, Xi Liu +2
The deterministic switching of magnetic order parameters is critically important, as it forms the fundamental basis for manipulating information states in magnetic memory devices.…
Lead-free Hybrid Perovskite: An Efficient Room Temperature Spin Generator via Large Interfacial Rashba effect
Lei Han, Qian Wang, Ying Lu +11
Two-dimensional (2D) hybrid organic-inorganic perovskite (HOIP) demonstates great potential for developing flexible and wearable spintronic devices, by serving as spin sources via…
Tunable Quantum Anomalous Hall Effect via Crystal Order in Spin-Splitting Antiferromagnets
Wenxuan Zhu, Hua Bai, Lei Han +2
Quantum anomalous Hall (QAH) effect provides dissipationless chiral channels for spin transport, expected as an outstanding candidate in future low-power quantum computation. The s…
Electrical switching of the perpendicular Neel order in a collinear antiferromagnet
Wenqing He, Tianyi Zhang, Yongjian Zhou +17
Electrical manipulation of magnetic order by current-induced spin torques lays the foundation for spintronics. One promising approach is encoding information in the Néel vector of…
Electric field switching of the uniaxial magnetic anisotropy of an antiferromagnet
Xianzhe Chen, Xiaofeng Zhou, Ran Cheng +9
Electric field control of magnetic anisotropy in ferromagnets has been intensively pursued in spintronics to achieve efficient memory and computing devices with low energy consumpt…
Electrical 180o switching of Néel vector in spin-splitting antiferromagnet
Lei Han, Xizhi Fu, Rui Peng +17
Antiferromagnetic spintronics have attracted wide attention due to its great potential in constructing ultra-dense and ultra-fast antiferromagnetic memory that suits modern high-pe…
Controllable anomalous Nernst effect in an antiperovskite antiferromagnet
Yunfeng You, Wenxuan Zhu, Hua Bai +6
Anomalous Nernst effect (ANE), the generation of a transverse electric voltage by a longitudinal temperature gradient, has attracted increasing interests of researchers recently, d…
Tailoring Hybrid Anomalous Hall Response in Engineered Magnetic Topological Insulator Heterostructures
Peng Chen, Yong Zhang, Qi Yao +14
Engineering the anomalous Hall effect (AHE) in the emerging magnetic topological insulators (MTIs) has great potentials for quantum information processing and spintronics applicati…
Probing the Néel order in altermagnetic RuO2 films by X-ray magnetic linear dichroism
Yi-Chi Zhang, Hua Bai, Chong Chen +6
The emerging altermagnetic RuO2 with both compensated magnetic moments and broken time-reversal symmetry possesses nontrivial magneto-electronic responses and nonrelativistic spin…
Electrical control of magnetism in oxides
Cheng Song, Bin Cui, Jingjing Peng +2
This review article aims at illustrating the recent progresses in the electrical control of magnetism in oxides with profound physics and enormous potential applications. In the fi…
Time resolved measurements of the switching trajectory of Pt/Co elements induced by spin-orbit torques
Martin M. Decker, Martin S. Wörnle, Matthias Kronseder +6
We report the experimental observation of spin-orbit torque induced switching of perpendicularly magnetized Pt/Co elements in a time resolved stroboscopic experiment based on high…
Electric field switching of altermagnetic spin-splitting in multiferroic skyrmions
Gui Wang, Yuhang Li, Bin Li +26
Magnetic skyrmions are localized magnetic structures that retain their shape and stability over time, thanks to their topological nature. Recent theoretical and experimental progre…
Interface-enhanced ferromagnetism with long-distance effect in van der Waals semiconductor
Wenxuan Zhu, Cheng Song, Lei Han +6
Ferromagnetic semiconductors discovered in two-dimensional (2D) materials open an avenue for highly integrated and multifunctional spintronics. The Curie temperature (TC) of existe…
Magnon-mediated interlayer coupling in an all-antiferromagnetic junction
Yongjian Zhou, Liyang Liao, Xiaofeng Zhou +12
The interlayer coupling mediated by fermions in ferromagnets brings about parallel and anti-parallel magnetization orientations of two magnetic layers, resulting in the giant magne…
Cluster magnetic octupole induced out-of-plane spin polarization in antiperovskite antiferromagnet
Yunfeng You, Hua Bai, Xiaoyu Feng +8
Out-of-plane spin polarization Ï_z has attracted increasing interests of researchers recently, due to its potential in high-density and low-power spintronic devices. Noncollinear…
Photon-gated spin transistor
Fan Li, Cheng Song, Bin Cui +4
Spin-polarized field-effect transistor (spin-FET), where a dielectric layer is generally employed for the electrical gating as the traditional FET, stands out as a seminal spintron…
Discovery of a large magnetic nonlinear Hall effect in an altermagnet
Lei Han, Xizhi Fu, Cheng Song +10
Since Edwin Halls groundbreaking discovery of the Hall effect in 1879, magnetism, spin, and quantization have been expanding the scope of Hall effects, continuously driving transfo…
Manipulating THz Spin Current Dynamics by the Dzyaloshinskii-Moriya Interaction in Antiferromagnetic Hematite
Hongsong Qiu, Tom Sebastian Seifert, Lin Huang +12
An important vision of modern magnetic research is to use antiferromagnets as controllable and active ultrafast components in spintronic devices. Hematite is a promising model mate…
Wafer-scale epitaxial growth of the thickness-controllable van der Waals ferromagnet CrTe2 for reliable magnetic memory applications
Xinqi Liu, Yunyouyou Xia, Lei Gao +20
To harness the intriguing properties of two-dimensional van der Waals (vdW) ferromagnets (FMs) for versatile applications, the key challenge lies in the reliable material synthesis…
Electrical control of exchange spring in antiferromagnetic metals
Yuyan Wang, Xiang Zhou, Cheng Song +6
Manipulation of antiferromagnetic (AFM) spins by electrical means is on great demand to develop the AFM spintronics with low power consumption. In spite of the electrical modulatio…
Strain-Tunable Magnetic Compensation Temperature of Epitaxial TbFeO Thin Films
Yufei Li, Xihui Yang, Hua Bai +6
High-quality rare-earth iron garnet (ReIG) TbFeO (TbIG) thin films are epitaxially grown on a series of (111)-oriented garnet substrates with various lattice constan…
Magnetoelectric coupling induced by interfacial orbital reconstruction
Bin Cui, Cheng Song, Haijun Mao +6
The magnetoelectric coupling effect with profound physics and enormous potential applications has provoked a great number of research activities in materials science. Here, we repo…
Electrical manipulation of orbital occupancy and magnetic anisotropy in manganites
Bin Cui, Cheng Song, Gillian A. Gehring +7
Electrical manipulation of lattice, charge, and spin has been realized respectively by the piezoelectric effect, field-effect transistor, and electric field control of ferromagneti…
KP-PINNs: Kernel Packet Accelerated Physics Informed Neural Networks
Siyuan Yang, Cheng Song, Zhilu Lai +1
Differential equations are involved in modeling many engineering problems. Many efforts have been devoted to solving differential equations. Due to the flexibility of neural networ…
All-electrical measurements of direct spin Hall effect in GaAs with Esaki diode electrodes
Markus Ehlert, Cheng Song, Mariusz Ciorga +4
We report on measurements of direct spin Hall effect in a lightly n-doped GaAs channel. As spin detecting contacts we employed highly efficient ferromagnetic Fe/(Ga,Mn)As/GaAs Esak…
Room-temperature high-average-power strong-field terahertz source based on industrial high-repetition-rate femtosecond laser
Deyin Kong, Yichen Su, Cheng Song +1
Free-space strong-field terahertz (THz) pulses, generated via optical rectification of femtosecond lasers in nonlinear crystals, are pivotal in various applications. However, conve…