Field-free approaches for deterministic spin–orbit torque switching of the perpendicular magnet

H Wu, J Zhang, B Cui, SA Razavi, X Che, Q Pan… - Materials …, 2022 - iopscience.iop.org
All-electrical driven magnetization switching attracts much attention in next-generation
spintronic memory and logic devices, particularly in magnetic random-access memory …

Electrical control of magnetism by electric field and current-induced torques

A Fert, R Ramesh, V Garcia, F Casanova… - arxiv preprint arxiv …, 2023 - arxiv.org
While early magnetic memory designs relied on magnetization switching by locally
generated magnetic fields, key insights in condensed matter physics later suggested the …

Voltage-gated spin-orbit torque switching in IrMn-based perpendicular magnetic tunnel junctions

J Lu, W Li, J Liu, Z Liu, Y Wang, C Jiang, J Du… - Applied Physics …, 2023 - pubs.aip.org
In this work, IrMn-based perpendicular magnetic tunnel junctions (MTJs) are investigated. By
inserting a thin W layer at an antiferromagnet/ferromagnet (AFM/FM) interface, we enhance …

Field-free switching of VG-SOT-pMTJ device through the interplay of SOT, exchange bias, and VCMA effects

S Alla, V Kumar Joshi, S Bhat - Journal of Applied Physics, 2023 - pubs.aip.org
Field-free magnetization switching via the interplay of spin orbit torque (SOT), exchange bias
field (⁠ HEX⁠), and voltage controlled magnetic anisotropy (VCMA) is crucial for the …

Voltage-gated field-free spin–orbit torque switching in Pt/Co/Ir/MgO wedged structures

Y Li, X Zhao, W Liu, J Wu, L Liu, Y Song, J Ma… - Applied Physics …, 2023 - pubs.aip.org
The ability to efficiently manipulate magnetization is of great significance for practical
applications of spin–orbit torque (SOT) devices. In this study, we report the voltage …

Spin reflection-induced field-free magnetization switching in perpendicularly magnetized MgO/Pt/Co heterostructures

T **, GJ Lim, HY Poh, S Wu, F Tan… - ACS Applied Materials & …, 2022 - ACS Publications
Field-free magnetization switching is critical towards practical, integrated spin-orbit torque
(SOT)-driven magnetic random-access memory with perpendicular magnetic anisotropy. Our …

Strain-mediated voltage controlled magnetic anisotropy based switching for magnetic memory applications

PK Mishra, N Halavath, S Bhuktare - Journal of Applied Physics, 2023 - pubs.aip.org
Reliability and packing density concerns are the two major shortcomings of spin transfer
torque and spin orbit torque based magnetic memory, respectively. Voltage controlled …

Spintronic computing-in-memory architecture based on voltage-controlled spin–orbit torque devices for binary neural networks

H Wang, W Kang, B Pan, H Zhang… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Binary neural networks (BNNs) are promising for resource-constrained Internet of Things
(IoT) devices owing to the lightweight memory and computation requirements. Moreover …

Selective Data Writing in IrMn-Based Perpendicular Magnetic Tunnel Junction Array Through Voltage-Gated Spin-Orbit Torque

W Li, Z Liu, S Peng, J Lu, J Liu, X Li… - IEEE Electron …, 2024 - ieeexplore.ieee.org
The interplay of spin-orbit torque (SOT) and voltage-controlled magnetic anisotropy (VCMA)
has great potential to be the next-generation writing method for low-power, fast-speed, and …

Write error rate analysis of field-free spin-orbit torque switching in conically magnetized free layer nanomagnet

PK Mishra, S Bhuktare - Applied Physics Letters, 2024 - pubs.aip.org
Enhancing the performance of magnetic random access memories (MRAMs) is crucial,
considering speed, energy efficiency, and endurance. Spin-orbit torque-based MRAMs offer …