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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…
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…
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…
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…
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…