27 citations · 113 across the 12 of their papers we have counts for
13 papers
Initialization-free ultralow-power programmable spin-orbit torque logic devices enabled by chirally asymmetric switching
Qianbiao Liu, Lijun Zhu
Spin logic is of great interest for the development of high-performance, non-Von Neumann artificial intelligence chips. Of particular advantage is the programmable spin-orbit torqu…
Negligible current-induced torque from the bulk and interface of Al
Taiyang Zhang, Lujun Zhu, Zhihao Yan +1
The light metal Al was predicted to have strong orbital Hall and Rashba effects from its bulk and interface, respectively. In this letter, we report experimental evidence that neit…
Enhancing z spin generation in trivial spin Hall materials for scalable, energy-efficient, field-free, complete spin-orbit torque switching applications
Qianbiao Liu, Lijun Zhu
Despite the remarkable efforts in the past two decades, it has remained a major challenge to achieve switching of perpendicularly magnetized spin-orbit torque devices in a scalable…
Absence of orbital current torque in Ta/ferromagnet bilayers
Qianbiao Liu, Lijun Zhu
It has become a heated debate as to whether the orbital Hall effect of a material could generate a non-local orbital current and a non-zero spin-orbit torque on an adjacent magneti…
Linear Enhancement of Spin-Orbit Torques and Absence of Bulk Rashba-Type Spin Splitting in Perpendicularly Magnetized [Pt/Co/W]n Superlattices
Zhihao Yan, Zhengxiao Li, Lujun Zhu +2
The development of magnetic heterostructures with strong spin-orbit torques (SOTs), low impedance, strong perpendicular magnetic anisotropy (PMA), and good integration compatibilit…
Physics Origin of Universal Unusual Magnetoresistance
Lijun Zhu, Qianbiao Liu, Xiangrong Wang
The discovery of the unusual magnetoresistance (UMR) during the rotation of magnetization in the plane perpendicular to the electric current, which has been typically attributed to…
Efficient generation of out-of-plane polarized spin current in polycrystalline heavy metal devices with broken electric symmetries
Qianbiao Liu, Xin Lin, Ariel Shaked +3
Spin currents of perpendicularly polarized spins (z spins) by an in-plane charge current have received blooming interest for the potential in energy-efficient spin-orbit torque swi…
Strongly asymmetric magnetization switching and programmable complete Boolean logic enabled by long-range intralayer Dzyaloshinskii-Moriya interaction
Qianbiao Liu, Long Liu, Guozhong Xing +1
Electrical switching of magnetization is central to spintronics. Despite the enormous efforts on the spin torques and the Dzyaloshinskii-Moriya interaction (DMI) effects, some fund…
A Two-Field-Scan Harmonic Hall Voltage Analysis For Fast, Accurate Quantification Of Spin-Orbit Torques In Magnetic Heterostructures
Xin Lin, Lijun Zhu
The efficiencies of the spin-orbit torques (SOTs) play a key role in the determination of the power consumption, integration density, and endurance of SOT-driven devices. Accurate…
Giant coercivity, resistivity upturn, and anomalous Hall effect in ferrimagnetic FeTb
Lijun Zhu, Lujun Zhu, Qianbiao Liu +1
Despite the blooming interest, the transition-metal rare-earth ferrimagnets have not been comprehensively understood in terms of their coercivity and transport properties. Here, we…
Strong Spin-Orbit Torque Induced by the Intrinsic Spin Hall Effect in Cr1-xPtx
Qianbiao Liu, Jingwei Li, Lujun Zhu +3
We report on a spin-orbit torque study of the spin current generation in Cr1-xPtx alloy, using the light 3d ferromagnetic Co as the spin current detector. We find that the dampingl…
Boosting spin-orbit torque efficiency in spin-current generator/magnet/oxide superlattices
Lijun Zhu, Jingwei Li, Lujun Zhu +1
Efficient manipulation of magnetic materials is essential for spintronics. In spin-current generator/magnet bilayers, the efficiency of spin-orbit torques per magnetic layer thickn…
Interfacial Dzyaloshinskii-Moriya interaction and spin-orbit torque in Au1-xPtx/Co bilayers with varying interfacial spin-orbit coupling
Lijun Zhu, Lujun Zhu, Xin Ma +2
The quantitative roles of the interfacial spin-orbit coupling (SOC) in Dzyaloshinskii-Moriya interaction (DMI) and dampinglike spin-orbit torque (τDL) have remained unsettled after…