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Energy-efficient ultrafast SOT-MRAMs based on low-resistivity spin Hall metal Au0.25Pt0.75
Lijun Zhu, Lujun Zhu, Shengjie Shi +2
Many key electronic technologies (e.g., large-scale computing, machine learning, and superconducting electronics) require new memories that are fast, reliable, energy-efficient, an…
Nanosecond Reversal of Three-Terminal Spin Hall Effect Memories Sustained at Cryogenic Temperatures
Graham E. Rowlands, Minh-Hai Nguyen, Sriharsha V. Aradhya +4
We characterize the nanosecond pulse switching performance of the three-terminal magnetic tunnel junctions (MTJs), driven by the spin Hall effect (SHE) in the channel, at a cryogen…
Maximizing the spin-orbit torque efficiency of Pt/Ti multilayers by optimization of the tradeoff between the intrinsic spin Hall conductivity and carrier lifetime
Lijun Zhu, R. A. Buhrman
We report a comprehensive study of the maximization of the spin Hall ratio (θSH) in Pt thin films by the insertion of sub-monolayer layers of Ti to decrease carrier lifetime while…
Cryogenic Memory Architecture Integrating Spin Hall Effect based Magnetic Memory and Superconductive Cryotron Devices
Minh-Hai Nguyen, Guilhem J. Ribeill, Martin Gustafsson +19
One of the most challenging obstacles to realizing exascale computing is minimizing the energy consumption of L2 cache, main memory, and interconnects to that memory. For promising…
Intrinsic nature of the giant spin Hall conductivity of Pt
Lijun Zhu, Lujun Zhu, Manling Sui +2
More than a decade after the first theoretical and experimental studies of the spin Hall conductivity (SHC) of Pt, both its dominant origin and amplitude remain in dispute. Resolvi…
Layer-dependent spin-orbit torques generated by the centrosymmetric transition metal dichalcogenide -MoTe
Gregory M. Stiehl, Ruofan Li, Vishakha Gupta +8
Single-crystal materials with sufficiently low crystal symmetry and strong spin-orbit interactions can be used to generate novel forms of spin-orbit torques on adjacent ferromagnet…