1.5k citations · 6.1k across the 25 of their papers we have counts for
25 papers
Cryogenic in-memory computing using magnetic topological insulators
Yuting Liu, Albert Lee, Kun Qian +17
Machine learning algorithms have been proven effective for essential quantum computation tasks such as quantum error correction and quantum control. Efficient hardware implementati…
Creation of a Chiral Bobber Lattice in Helimagnet-Multilayer Heterostructures
Kejing Ran, Yizhou Liu, Yao Guang +6
A chiral bobber is a localized three-dimensional magnetization configuration, terminated by a singularity. Chiral bobbers coexist with magnetic skyrmions in chiral magnets, lending…
Room temperature 2D ferromagnetism in few-layered 1-CrTe
Xingdan Sun, Wanying Li, Xiao Wang +21
Spin-related electronics using two dimensional (2D) van der Waals (vdW) materials as a platform are believed to hold great promise for revolutionizing the next generation spintroni…
Topological Hall effect at above room temperature in heterostructures composed of a magnetic insulator and a heavy metal
Qiming Shao, Yawen Liu, Guoqiang Yu +7
Non-volatile memory and computing technology rely on efficient read and write of ultra-tiny information carriers that do not wear out. Magnetic skyrmions are emerging as a potentia…
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…
Current-driven magnetization switching in a van der Waals ferromagnet Fe3GeTe2
Xiao Wang, Jian Tang, Xiuxin Xia +25
The recent discovery of ferromagnetism in two-dimensional (2D) van der Waals (vdW) materials holds promises for novel spintronic devices with exceptional performances. However, in…
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…
Single spin sensing of domain wall structure and dynamics in a thin film skyrmion host
Alec Jenkins, Matthew Pelliccione, Guoqiang Yu +4
Skyrmions are nanoscale magnetic structures with features promising for future low-power memory or logic devices. In this work, we demonstrate novel scanning techniques based on ni…
Strong Rashba-Edelstein Effect-Induced Spin-Orbit Torques in Monolayer Transition-Metal Dichalcogenide/Ferromagnet Bilayers
Qiming Shao, Guoqiang Yu, Yann-Wen Lan +7
The electronic and optoelectronic properties of two dimensional materials have been extensively explored in graphene and layered transition metal dichalcogenides (TMDs). Spintronic…
Exploring interfacial exchange coupling and sublattice effect in heavy metal/ferrimagnetic insulator heterostructures using Hall measurements, x-ray magnetic circular dichroism, and neutron reflectometry
Qiming Shao, Alexander Grutter, Yawen Liu +13
We use temperature-dependent Hall measurements to identify contributions of spin Hall, magnetic proximity, and sublattice effects to the anomalous Hall signal in heavy metal/ferrim…
Correlation between Dzyaloshinskii Moriya interaction and spin mixing conductance at antiferromagnet / ferromagnet interface
Xin Ma, Guoqiang Yu, Seyed A. Razavi +6
The rich interaction phenomena at antiferromagnet (AFM)/ ferromagnet (FM) interfaces are key ingredients in AFM spintronics, where many underlying mechanisms remain unclear. Here w…
Strain-mediated spin-orbit torque switching for magnetic memory
Qianchang Wang, John Domann, Guoqiang Yu +3
Spin-orbit torque (SOT) represents an energy efficient method to control magnetization in magnetic memory devices. However, deterministically switching perpendicular memory bits us…
Scaling of Dzyaloshinskii Moriya interaction at heavy metal and ferromagnetic metal interfaces
Xin Ma, Guoqiang Yu, Chi Tang +5
The Dzyaloshinskii Moriya Interaction (DMI) at the heavy metal (HM) and ferromagnetic metal (FM) interface has been recognized as a key ingredient in spintronic applications. Here…
Role of dimensional crossover on spin-orbit torque efficiency in magnetic insulator thin films
Qiming Shao, Chi Tang, Guoqiang Yu +19
Magnetic insulators (MIs) attract tremendous interest for spintronic applications due to low Gilbert damping and absence of Ohmic loss. Magnetic order of MIs can be manipulated and…
Dzyaloshinskii Moriya interaction across antiferromagnet / ferromagnet interface
Xin Ma, Guoqiang Yu, Seyed A. Razavi +6
The antiferromagnet (AFM) / ferromagnet (FM) interfaces are of central importance in recently developed pure electric or ultrafast control of FM spins, where the underlying mechani…
Deficiency of the Bulk Spin Hall Effect Model for Spin-Orbit Torques in Magnetic Insulator/Heavy Metal Heterostructures
Junxue Li, Guoqiang Yu, Chi Tang +9
Electrical currents in a magnetic insulator/heavy metal heterostructure can induce two simultaneous effects, namely, spin Hall magnetoresistance (SMR) on the heavy metal side and s…
Topological transitions induced by antiferromagnetism in a thin-film topological insulator
Qing Lin He, Gen Yin, Luyan Yu +14
Ferromagnetism in topological insulators (TIs) opens a topologically non-trivial exchange band gap, providing an exciting platform to manipulate the topological order through an ex…
Interfacial Control of Dzyaloshinskii Moriya Interaction in Heavy Metal_Ferromagnetic Metal Thin Film Heterostructures
Xin Ma, Guoqiang Yu, Xiang Li +8
The interfacial Dzyaloshinskii Moriya Interaction (DMI) in ultrathin magnetic thin film heterostructures provides a new approach for controlling spin textures on mesoscopic length…
Tailoring Exchange Couplings in Magnetic Topological Insulator/Antiferromagnet Heterostructures
Qing Lin He, Xufeng Kou, Alexander J. Grutter +13
Magnetic topological insulators such as Cr-doped (Bi,Sb)2Te3 provide a platform for the realization of versatile time-reversal symmetry-breaking physics. By constructing heterostru…
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…
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…
Electric-field control of spin-orbit torque in a magnetically doped topological insulator
Yabin Fan, Xufeng Kou, Pramey Upadhyaya +16
Electric-field manipulation of magnetic order has proved of both fundamental and technological importance in spintronic devices. So far, electric-field control of ferromagnetism, m…
Electric-field guiding of magnetic skyrmions
Pramey Upadhyaya, Guoqiang Yu, Pedram Khalili Amiri +1
We theoretically study equilibrium and dynamic properties of nanosized magnetic skyrmions in thin magnetic films with broken inversion symmetry, where electric field couples to mag…
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…