Publications (37)
Generation of magnetic skyrmion bubbles by inhomogeneous spin Hall currents
Olle Heinonen, Wanjun Jiang, Hamoud Somaily +2
Recent experiments have shown that magnetic skyrmion bubbles can be generated and injected at room temperature in thin films [W. Jiang et al, Science vol. 349, 283 (2015)]. Here, w…
Magnetic order induced chiral phonons in a ferromagnetic Weyl semimetal
Mengqian Che, Jinxuan Liang, Yunpeng Cui +13
Chiral phonons are vibrational modes in a crystal that possess a well-defined handedness or chirality, typically found in materials that lack inversion symmetry. Here we report the…
New pathways towards efficient metallic spin Hall spintronics
Matthias Benjamin Jungfleisch, Wei Zhang, Wanjun Jiang +1
Spin Hall effects interconvert spin- and charge currents due to spin-orbit interaction, which enables convenient electrical generation and detection of diffusive spin currents and…
Direct Observation of the Skyrmion Hall Effect
Wanjun Jiang, Xichao Zhang, Guoqiang Yu +8
The well-known Hall effect describes the transverse deflection of charged particles (electrons or holes) in an electric-current carrying conductor under the influence of perpendicu…
Policy-Grounded Dynamic Facet Suggestions for Job Search
Dan Xu, Baofen Zheng, Qianqi Shen +11
Job seekers often initiate search with short, underspecified queries. At LinkedIn, over 80% of job-related queries contain three or fewer keywords, making accurate user intent infe…
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,…
Spin waves in micro-structured yttrium iron garnet nanometer-thick films
Matthias B. Jungfleisch, Wei Zhang, Wanjun Jiang +8
We investigated the spin-wave propagation in a micro-structured yttrium iron garnet waveguide of nm thickness. Utilizing spatially-resolved Brillouin light scattering microsco…
Temperature gradient-driven magnetic skyrmion motion
Eleonora Raimondo, Elias Saugar, Joseph Barker +7
The static and dynamic properties of skyrmions have recently received increased attention due to the potential application of skyrmions as information carriers and for unconvention…
Quantifying the Dzyaloshinskii-Moriya Interaction Induced by the Bulk Magnetic Asymmetry
Qihan Zhang, Jinghua Liang, Kaiqi Bi +15
A broken interfacial inversion symmetry in ultrathin ferromagnet/heavy metal (FM/HM) bilayers is generally believed to be a prerequisite for accommodating the Dzyaloshinskii-Moriya…
All-electrical detection of spin dynamics in magnetic antidot lattices by the inverse spin Hall effect
Matthias B. Jungfleisch, Wei Zhang, Junjia Ding +5
The understanding of spin dynamics in laterally confined structures on sub-micron length scales has become a significant aspect of the development of novel magnetic storage technol…
Skyrmions in Magnetic Multilayers
Wanjun Jiang, Gong Chen, Kai Liu +3
Symmetry breaking together with strong spin-orbit interaction give rise to many exciting phenomena within condensed matter physics. A recent example is the existence of chiral spin…
All electrical manipulation of magnetization dynamics in a ferromagnet by antiferromagnets with anisotropic spin Hall effects
Wei Zhang, Matthias B. Jungfleisch, Frank Freimuth +6
We investigate spin-orbit torques of metallic CuAu-I-type antiferromagnets using spin-torque ferromagnetic resonance tuned by a dc-bias current. The observed spin torques predomina…
Topological spin-torque diode effect in skyrmion-based magnetic tunnel junctions
Bin Fang, Riccardo Tomasello, Yuxuan Wu +10
The growing market and massive use of Internet of Things nodes is placing unprecedented demands of energy efficient hardware for edge computing and microwave devices. In particular…
Insulating nanomagnets driven by spin torque
Matthias B. Jungfleisch, Junjia Ding, Wei Zhang +4
Magnetic insulators, such as yttrium iron garnet (YFeO), are ideal materials for ultra-low power spintronics applications due to their low energy dissipation and eff…
Mobile Néel skyrmions at room temperature: status and future
Wanjun Jiang, Wei Zhang, Guoqiang Yu +9
Magnetic skyrmions are topologically protected spin textures that exhibit many fascinating features. As compared to the well-studied cryogenic Bloch skyrmions in bulk materials, we…
Significant Unconventional Anomalous Hall Effect in Heavy Metal/Antiferromagnetic Insulator Heterostructures
Yuhan Liang, Liang Wu, Minyi Dai +16
The anomalous Hall effect (AHE) is a quantum coherent transport phenomenon that conventionally vanishes at elevated temperatures because of thermal dephasing. Therefore, it is puzz…
Topology-Dependent Brownian Gyromotion of a Single Skyrmion
Le Zhao, Zidong Wang, Xichao Zhang +10
Non-interacting particles exhibiting Brownian motion have been observed in many occasions of sciences, such as molecules suspended in liquids, optically trapped microbeads, and spi…
Absence of Spin Hall Magnetoresistance in Pt/(CoNi)n multilayers
Yongwei Cui, Xiaoyu Feng, Qihan Zhang +5
We systematically studied the magnetoresistance effect in a Pt/(CoNi)n multilayer system with perpendicular magnetic anisotropy and the fcc (111) texture. The angular dependence of…
Electric field-induced creation and directional motion of domain walls and skyrmion bubbles
Chuang Ma, Xichao Zhang, Jing Xia +7
Magnetization dynamics driven by an electric field could provide long-term benefits to information technologies because of its ultralow power consumption. Meanwhile, the Dzyaloshin…
Skyrmions in nanorings: a versatile platform for Skyrmionics
Dimitris Kechrakos, Vito Puliafito, Alejandro Riveros +5
The dynamical properties of skyrmions can be exploited to build devices with new functionalities. Here, we first investigate a skyrmion-based ring-shaped device by means of microma…
The 2026 Skyrmionics Roadmap
Sabri Koraltan, Claas Abert, Manfred Albrecht +64
Magnetic skyrmions and related topological spin textures have emerged as a central topic in condensed-matter physics, combining fundamental significance with potential for transfor…
Anisotropic magnetoresistance involves metal-insulator transition in single crystal La0.77Ca0.23MnO3
Wanjun Jiang, XueZhi Zhou, H. P. Kunkel +3
The paper has been withdrawn for some reasons
What is the Mechanism Underlying 3-D Heisenberg-like Ferromagnetism Across the Compositional Metal-Insulator Transition in La1-xCaxMnO3 (0.18 < xc < 0.22)?
Wanjun Jiang, X. Z. Zhou, K. Glazyrin +2
Detailed measurements of the magnetic and transport properties of the two La1-xCaxMnO3 (x = 0.18, x = 0.20) single crystals straddling the compositional metal-insulator transition…
Correlation Between Phase Competition and the Nucleation of a Griffiths Phase in (La1-yPry)0.7Ca0.3Mn16/18O3
Wanjun Jiang, XueZhi Zhou, Gwyn Williams
Detailed analyses of the temperature-dependent zero field ac susceptibility of prototypical phase-separated (La1-yPry)0.7Ca0.3Mn16/18O3, 0 < y < 1, reveal features consistent with…
Designing Reward Signals for Portable Query Generation: A Case Study in Industrial Semantic Job Search
Ping Liu, Qianqi Shen, Jianqiang Shen +11
Job-search platforms rely on low-bandwidth query interfaces that often fail to capture the high-dimensional complexity of candidate profiles. We present an end-to-end RLAIF (Reinfo…
Symmetry-driven giant magneto-optical Kerr effects in altermagnet hematite
Jiaxin Luo, Xiaodong Zhou, Jinxuan Liang +7
Altermagnets have attracted tremendous interest for revealing intriguing physics and promising spintronics applications. In contrast to conventional antiferromagnets, altermagnets…
Nonlocal detection of interlayer three-magnon coupling
Lutong Sheng, Mehrdad Elyasi, Jilei Chen +13
A leading nonlinear effect in magnonics is the interaction that splits a high-frequency magnon into two low-frequency ones with conserved linear momentum. Here, we report experimen…
Generation and Hall effect of skyrmions enabled via using nonmagnetic point contacts
Zidong Wang, Xichao Zhang, Jing Xia +9
To enable functional skyrmion based spintronic devices, the controllable generation and manipulation of skyrmions is essential. While the generation of skyrmions by using a magneti…
Towards the Quantized Anomalous Hall effect in AlO-capped MnBiTe
Yongqian Wang, Bohan Fu, Yongchao Wang +9
The quantum anomalous Hall effect in layered antiferromagnet MnBiTe harbors a rich interplay between magnetism and topology, holding a significant promise for low-power ele…
Switching of perpendicular magnetization by spin-orbit torques in the absence of external magnetic fields
Guoqiang Yu, Pramey Upadhyaya, Yabin Fan +10
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…
Observation and Control of Chiral Spin Frustration in BiYIG Thin Films
Jinlong Wang, Hanchen Wang, Zhewen Xu +17
Chiral interactions within magnetic layers stabilize the formation of noncollinear spin textures, which can be leveraged to design devices with tailored magnetization dynamics. Her…
Anomalous Nernst effect in compensated ferrimagnetic CoxGd1-x films
Ruihao Liu, Li Cai, Teng Xu +3
The anomalous Nernst effect (ANE) is one of the most intriguing thermoelectric phenomena which has attracted growing interest both for its underlying physics and potential applicat…
Acoustic-Driven Magnetic Skyrmion Motion
Yang Yang, Le Zhao, Di Yi +10
Magnetic skyrmions have great potential for developing novel spintronic devices. The electrical manipulation of skyrmions has mainly relied on current-induced spin-orbit torques. A…
Driving and detecting ferromagnetic resonance in insulators with the spin Hall effect
Joseph Sklenar, Wei Zhang, Matthias B. Jungfleisch +6
We demonstrate the generation and detection of spin-torque ferromagnetic resonance in Pt/YIG bilayers. A unique attribute of this system is that the spin Hall effect lies at the he…
Compensated magnetic insulators for extremely fast spin-orbitronics
Heng-An Zhou, Yiqing Dong, Teng Xu +13
The fast spin dynamics provide many opportunities for the future communication and memory technologies. One of the most promising examples is the domain wall (DW) racetrack memory.…
Blowing Magnetic Skyrmion Bubbles
Wanjun Jiang, Pramey Upadhyaya, Wei Zhang +9
Soap bubbles form when blowing air through a suspended thin film of soapy water and this phenomenon entertains children and adults alike. The formation of soap bubbles from thin fi…
Antiferromagnetic Quantum Anomalous Hall Effect Modulated by Spin Flips and Flops
Zichen Lian, Yongchao Wang, Yongqian Wang +11
The interplay between nontrivial band topology and layered antiferromagnetism in MnBi2Te4 has opened up a new avenue for exploring topological phases of matter. Representative exam…