4.2k citations · 12.3k across the 26 of their papers we have counts for
26 papers
Modeling and Optimization of Two-Terminal Spin-Orbit-Torque MRAM
Md Nahid Haque Shazon, Piyush Kumar, Luqiao Liu +2
This paper presents physical modeling and benchmarking for two-terminal spin-orbit torque magnetic random-access memory (2T-SOT-MRAM). The results indicate that the common SOT mate…
Coherent magnon-induced domain wall motion in a magnetic insulator channel
Yabin Fan, Miela J. Gross, Takian Fakhrul +4
Advancing the development of spin-wave devices requires high-quality low-damping magnetic materials where magnon spin currents can propagate efficiently and interact effectively wi…
Observation of the unidirectional magnetoresistance in antiferromagnetic insulator Fe2O3/Pt bilayers
Yihong Fan, Pengxiang Zhang, Jiahao Han +3
Unidirectional magnetoresistance (UMR) has been observed in a variety of stacks with ferromagnetic/spin Hall material bilayer structures. In this work, we reported UMR in antiferro…
Efficient Spin-Orbit Torques in an Antiferromagnetic Insulator with Tilted Easy Plane
Pengxiang Zhang, Chung-Tao Chou, Hwanhui Yun +4
Electrical manipulation of spin textures inside antiferromagnets represents a new opportunity for developing spintronics with superior speed and high device density. Injecting spin…
Tunable Magnonic Chern Bands and Chiral Spin Currents in Magnetic Multilayers
Zhongqiang Hu, Liang Fu, Luqiao Liu
Realization of novel topological phases in magnonic band structures represents a new opportunity for the development of spintronics and magnonics with low power consumption. In thi…
Roadmap of spin-orbit torques
Qiming Shao, Peng Li, Luqiao Liu +16
Spin-orbit torque (SOT) is an emerging technology that enables the efficient manipulation of spintronic devices. The initial processes of interest in SOTs involved electric fields,…
Quantum engineering with hybrid magnonics systems and materials
D. D. Awschalom, C. H. R. Du, R. He +19
Quantum technology has made tremendous strides over the past two decades with remarkable advances in materials engineering, circuit design and dynamic operation. In particular, the…
Manipulation of coupling and magnon transport in magnetic metal-insulator hybrid structures
Yabin Fan, Patrick Quarterman, Joseph Finley +6
Ferromagnetic metals and insulators are widely used for generation, control and detection of magnon spin signals. Most magnonic structures are based primarily on either magnetic in…
Electrical manipulation of spin pumping signal through nonlocal thermal magnon transport
Yabin Fan, Justin T. Hou, Joseph Finley +3
We study the magnon transport in the nonlocal configuration composed of two Pt strips on top of yttrium iron garnet, with and without the presence of RF microwave generated by an o…
Magnetic domain wall based synaptic and activation function generator for neuromorphic accelerators
Saima A Siddiqui, Sumit Dutta, Astera Tang +3
Magnetic domain walls are information tokens in both logic and memory devices, and hold particular interest in applications such as neuromorphic accelerators that combine logic in…
Quantitative Study on Current-Induced Effect in an Antiferromagnet Insulator/Pt Bilayer Film
Pengxiang Zhang, Joseph Finley, Taqiyyah Safi +1
Quantitative investigation on the current-induced torque in antiferromagnets represents a great challenge, due to the lack of an independent method for controlling Néel vectors. He…
Strong Coupling between Microwave Photons and Nanomagnet Magnons
Justin T. Hou, Luqiao Liu
Coupled microwave photon-magnon hybrid systems offer promising applications by harnessing various magnon physics. At present, in order to realize high coupling strength between the…
Gigahertz frequency antiferromagnetic resonance and strong magnon-magnon coupling in the layered crystal CrCl3
David MacNeill, Justin T. Hou, Dahlia R. Klein +3
We report broadband microwave absorption spectroscopy of the layered antiferromagnet CrCl3. We observe a rich structure of resonances arising from quasi-two-dimensional antiferroma…
Current-induced domain wall motion in compensated ferrimagnet
Saima A Siddiqui, Jiahao Han, Joseph T Finley +2
Due to the difficulty in detecting and manipulating magnetic states of antiferromagnetic materials, studying their switching dynamics using electrical methods remains a challenging…
Room temperature spin-orbit torque switching induced by a topological insulator
Jiahao Han, A. Richardella, Saima Siddiqui +3
Recent studies on the magneto-transport properties of topological insulators (TI) have attracted great attention due to the rich spin-orbit physics and promising applications in sp…
Spin-Orbit Torque Efficiency in Compensated Ferrimagnetic Cobalt-Terbium Alloys
Joseph Finley, Luqiao Liu
Despite the potential advantages of information storage in antiferromagnetically coupled materials, it remains unclear whether one can control the magnetic moment orientation effic…
Spin-Polarized Tunneling Study on Spin-Momentum Locking in the Topological Insulators
Luqiao Liu, A. Richardella, Ion Garate +3
We demonstrate that the charge-spin conversion efficiency of topological insulators (TI) can be experimentally determined by injecting spin-polarized tunneling electrons into a TI.…
Central role of domain wall depinning for perpendicular magnetization switching driven by spin torque from the spin Hall effect
O. J. Lee, L. Q. Liu, C. F. Pai +4
We study deterministic magnetic reversal of a perpendicularly magnetized Co layer in a Co/MgO/Ta nano-square driven by spin Hall torque from an in-plane current flowing in an under…
Gate voltage modulation of spin-Hall-torque-driven magnetic switching
Luqiao Liu, Chi-Feng Pai, D. C. Ralph +1
Two promising strategies for achieving efficient control of magnetization in future magnetic memory and non-volatile spin logic devices are spin transfer torque from spin polarized…
Magnetic oscillations driven by the spin Hall effect in 3-terminal magnetic tunnel junction devices
Luqiao Liu, Chi-Feng Pai, D. C. Ralph +1
We show that direct current in a tantalum microstrip can induce steady-state magnetic oscillations in an adjacent nanomagnet through spin torque from the spin Hall effect (SHE). Th…
Spin transfer torque devices utilizing the giant spin Hall effect of tungsten
Chi-Feng Pai, Luqiao Liu, Y. Li +3
We report a giant spin Hall effect (SHE) in β-W thin films. Using spin torque induced ferromagnetic resonance with a β-W/CoFeB bilayer microstrip we determine the spin Hall angle t…
Spin torque switching with the giant spin Hall effect of tantalum
Luqiao Liu, Chi-Feng Pai, Y. Li +3
We report a giant spin Hall effect (SHE) in β-Ta that generates spin currents intense enough to induce efficient spin-transfer-torque switching of ferromagnets, thereby providing a…
Resonance Measurement of Nonlocal Spin Torque in a Three-Terminal Magnetic Device
Lin Xue, Chen Wang, Yong-Tao Cui +5
A pure spin current generated within a nonlocal spin valve can exert a spin transfer torque on a nanomagnet. This nonlocal torque enables new design schemes for magnetic memory dev…
Magnetic switching by spin torque from the spin Hall effect
Luqiao Liu, O. J. Lee, T. J. Gudmundsen +2
The spin Hall effect (SHE) generates spin currents within nonmagnetic materials. Previously, studies of the SHE have been motivated primarily to understand its fundamental origin a…