Current-induced torques in magnetic materials

A Brataas, AD Kent, H Ohno - Nature materials, 2012 - nature.com
The magnetization of a magnetic material can be reversed by using electric currents that
transport spin angular momentum. In the reciprocal process a changing magnetization …

Efficient current-induced spin torques and field-free magnetization switching in a room-temperature van der Waals magnet

C Yun, H Guo, Z Lin, L Peng, Z Liang, M Meng… - Science …, 2023 - science.org
The discovery of magnetism in van der Waals (vdW) materials has established unique
building blocks for the research of emergent spintronic phenomena. In particular, owing to …

Asymmetric magnetic domain-wall motion by the Dzyaloshinskii-Moriya interaction

SG Je, DH Kim, SC Yoo, BC Min, KJ Lee… - Physical Review B …, 2013 - APS
We demonstrate here that ultrathin ferromagnetic Pt/Co/Pt films with perpendicular magnetic
anisotropy exhibit a sizable Dzyaloshinskii-Moriya interaction (DMI) effect. Such a DMI effect …

Current induced torques and interfacial spin-orbit coupling: Semiclassical modeling

PM Haney, HW Lee, KJ Lee, A Manchon… - Physical Review B …, 2013 - APS
In bilayer nanowires consisting of a ferromagnetic layer and a nonmagnetic layer with strong
spin-orbit coupling, currents create torques on the magnetization beyond those found in …

Spin Hall torque magnetometry of Dzyaloshinskii domain walls

S Emori, E Martinez, KJ Lee, HW Lee, U Bauer… - Physical Review B, 2014 - APS
Current-induced domain wall motion in the presence of the Dzyaloshinskii-Moriya
interaction (DMI) is experimentally and theoretically investigated in heavy-metal/ferromagnet …

Magnetization dynamics induced by in-plane currents in ultrathin magnetic nanostructures with Rashba spin-orbit coupling

KW Kim, SM Seo, J Ryu, KJ Lee, HW Lee - Physical Review B—Condensed …, 2012 - APS
Recent experiments on ultrathin magnetic layers with broken inversion symmetry reported
anomalous current-driven magnetization dynamics. We show that the spin-transfer torque …

Emerging three-terminal magnetic memory devices

SW Lee, KJ Lee - Proceedings of the IEEE, 2016 - ieeexplore.ieee.org
Spin-transfer torques can switch magnetizations via a current passing through a magnetic
tunnel junction, an effect that is being pursued as the switching mechanism in spin-transfer …

Integrated neuromorphic computing networks by artificial spin synapses and spin neurons

S Yang, J Shin, T Kim, KW Moon, J Kim, G Jang… - NPG Asia …, 2021 - nature.com
One long-standing goal in the emerging neuromorphic field is to create a reliable neural
network hardware implementation that has low energy consumption, while providing …

Magnetism modulation in Co3Sn2S2 by current-assisted domain wall motion

Q Wang, Y Zeng, K Yuan, Q Zeng, P Gu, X Xu… - Nature …, 2023 - nature.com
The efficiency of spintronic devices can be improved by generating higher effective magnetic
fields with lower working currents. Spin-transfer torques can drive magnetic domain wall …

Integrating all-optical switching with spintronics

MLM Lalieu, R Lavrijsen, B Koopmans - Nature communications, 2019 - nature.com
All-optical switching (AOS) of magnetic materials describes the reversal of the magnetization
using short (femtosecond) laser pulses, and received extensive attention in the past decade …