311 citations · 1.4k across the 26 of their papers we have counts for
26 papers
Ferrimagnetic Skyrmions in a Tetragonal Mn1.9Co0.1Sb Single Crystal at Room Temperature
Huanhuan Zhang, YaJiao Ke, Weiwei Wang +10
The development of room temperature small-sized ferrimagnetic skyrmion materials is significant for topological spintronic device applications. As a room temperature ferrimagnetic…
Current-induced creation and dynamics of embedded magnetic skyrmion bags
Yaodong Wu, Jialiang Jiang, Lingyao Kong +5
Magnetic skyrmion bags-vortex-like structures hosting multiple skyrmions with tunable topological charge (Q)-hold significant promise for next-generation spintronic computing. Howe…
Deterministic Electrical Control of Single Magnetic Bubbles in Nanostructured Cells
Jialiang Jiang, Yaodong Wu, Lingyao Kong +10
Localized particle-like spin textures have been found to exhibit emergent electromagnetic properties, which hold promise for the development of intriguing spintronic devices. Among…
Creating and Deleting a Single Dipolar Skyrmion by Surface Spin Twists
Jin Tang, Jialiang Jiang, Yaodong Wu +8
We report deterministic operations on single dipolar skyrmions confined in nanostructured cuboids using in-plane currents. We achieve highly reversible writing and deleting of skyr…
Current-controlled creations, deletions, and topological transformations of a single magnetic antiskyrmion in nanostructured cells
Yaodong Wu, Jialiang Jiang, Lingyao Kong +6
Topological magnetic solitons have emerged as promising candidates for information carriers in spintronic devices, thanks to their fascinating electromagnetic properties. For funda…
Skyrmion Sliding Switch in a 90-nm-Wide Nanostructured Chiral Magnet
Yaodong Wu, Jialiang Jiang, Weiwei Wang +5
Magnetic skyrmions, renowned for their fascinating electromagnetic properties, hold potential for next-generation topological spintronic devices. Recent advancements have unveiled…
Orientational phase transitions induced by two-patch interactions
Lingyao Kong, Hua Tong, Hao Hu
For two-patch particles in two dimensions, we find that the coupling of anisotropic patchy interactions and the triangular lattice leads to novel phase behaviors. For asymmetric pa…
Stable Neel-Twisted Skyrmion Bags in a van der Waals Magnet Fe3-xGaTe2 at Room Temperature
Jialiang Jiang, Yaodong Wu, Lingyao Kong +7
Magnetic skyrmion bags with diverse topological charges Q, offer prospects for future spintronic devices based on freedom of Q. While their emergence in van der Waals magnets holds…
MicroMagnetic.jl: A Julia package for micromagnetic and atomistic simulations with GPU support
Weiwei Wang, Boyao Lyu, Lingyao Kong +2
MicroMagnetic.jl is an open-source Julia package for micromagnetic and atomistic simulations. Using the features of the Julia programming language, MicroMagnetic.jl supports CPU an…
Skyrmion-Bubble Bundles in an X-type Sr2Co2Fe28O46 Hexaferrite above Room Temperature
Jin Tang, Yaodong Wu, Jialiang Jiang +4
Magnetic skyrmions are spin swirls that possess topological nontriviality and are considered particle-like entities. They are distinguished by an integer topological charge Q. The…
Observation of Hybrid Magnetic Skyrmion Bubbles in Fe3Sn2 Nanodisks
Lingyao Kong, Jin Tang, Weiwei Wang +7
It is well known that there are two types of magnetic bubbles in uniaxial magnets. Here, using Lorentz-transimission electronic microscopy magnetic imaging, we report the direct ex…
Current-Controlled Skyrmion Number in Confined Ferromagnetic Nanostripes
Jialiang Jiang, Jin Tang, Yaodong Wu +8
Skyrmions are vortex-like localized magnetic structures that possess an integer-valued topological index known as the skyrmion number or topological charge. Skyrmion number determi…
Sewing skyrmion and antiskyrmion by quadrupole of Bloch points
Jin Tang, Yaodong Wu, Jialiang Jiang +5
We report three-dimensional topological spin configurations including a novel form of skyrmion-antiskyrmion coupling in D2d chiral magnets. The skyrmion-antiskyrmion coupled string…
Combined Magnetic Imaging and Anisotropic Magnetoresistance Detection of Dipolar Skyrmions
Jin Tang, Jialiang Jiang, Ning Wang +9
Magnetic skyrmions are localized particle-like nontrivial swirls that are promising in building high-performance topological spintronic devices. The read-out functions in skyrmioni…
Two-dimensional characterization of three-dimensional magnetic bubbles in FeSn nanostructures
Jin Tang, Yaodong Wu, Lingyao Kong +7
We report differential phase contrast scanning transmission electron microscopy (TEM) of nanoscale magnetic objects in Kagome ferromagnet FeSn nanostructures. This techniqu…
Imaging the ultrafast coherent control of a skyrmion crystal
Phoebe Tengdin, Benoit Truc, Alexey Sapozhnik +14
Exotic magnetic textures emerging from the subtle interplay between thermodynamic and topological fluctuation have attracted intense interest due to their potential applications in…
Magnetic Skyrmion Bundles and Their Current-Driven Dynamics
Jin Tang, Yaodong Wu, Weiwei Wang +6
Quantization of topological charges determines the various topological spin textures that are expected to play a key role in future spintronic devices. While the magnetic skyrmion…
Giant nonlinear anomalous Hall effect induced by spin-dependent band structure evolution
Xiangyu Cao, Jie-Xiang Yu, Pengliang Leng +9
Anomalous Hall effect (AHE) is the key transport signature unlocking topological properties of magnetic materials. While AHE is usually proportional to the magnetization, the nonli…
Edge-Mediated Skyrmion Chain and Its Collective Dynamics in a Confined Geometry
Haifeng Du, Renchao Che, Lingyao Kong +10
The emergence of a topologically nontrivial vortex-like magnetic structure, the magnetic skyrmion, has launched new concepts for memory devices. There, extensive studies have theor…
Electrical Probing of Field-Driven Cascading Quantized Transitions of Skyrmion Cluster States in MnSi Nanowires
Haifeng Du, Dong Liang, Chiming Jin +11
Magnetic skyrmions are topologically stable whirlpool-like spin textures that offer great promise as information carriers for future ultra-dense memory and logic devices1-4. To ena…
Topological Charge Analysis of Ultrafast Single Skyrmion Creation
Gen Yin, Yufan Li, Lingyao Kong +3
Magnetic skyrmions are topologically non-trivial spin textures of potential interest for future information storage applications, and for such purposes, the control and understandi…
Constraints on the spacetime geometry around 10 stellar-mass black hole candidates from the disk's thermal spectrum
Lingyao Kong, Zilong Li, Cosimo Bambi
In a previous paper, one of us has described a code to compute the thermal spectrum of geometrically thin and optically thick accretion disks around generic stationary and axisymme…
Testing the nature of the supermassive black hole candidate in SgrA* with light curves and images of hot spots
Zilong Li, Lingyao Kong, Cosimo Bambi
General relativity makes clear predictions about the spacetime geometry around black holes. In the near future, new facilities will have the capability to explore the metric around…
Can we observationally test the weak cosmic censorship conjecture?
Lingyao Kong, Daniele Malafarina, Cosimo Bambi
In general relativity, gravitational collapse of matter fields ends with the formation of a spacetime singularity, where the matter density becomes infinite and standard physics br…