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Showing 1–4 of 4 results

Advanced filters: Author: Kwang-Su Ryu Clear advanced filters

Chiral spin torque arising from proximity-induced magnetization

Domain walls can be driven at high speeds in perpendicularly magnetized nanowires grown on heavy metal underlayers due to a chiral spin torque. Here, the authors show that this torque is related to the proximity-induced magnetization in the underlayer and can be tuned through interface engineering.

Kwang-Su Ryu
See-Hun Yang
Stuart S. P. Parkin
Research23 May 2014
Nature Communications

Volume: 5, P: 1-8
Chiral spin torque at magnetic domain walls

The influence of magnetic fields on the current-driven motion of domain walls in nanowires with perpendicular anisotropy shows that two spin–orbit-derived mechanisms are responsible for their motion.

Kwang-Su Ryu
Luc Thomas
Stuart Parkin
Research16 Jun 2013
Nature Nanotechnology

Volume: 8, P: 527-533
Domain-wall velocities of up to 750 m s⁻¹ driven by exchange-coupling torque in synthetic antiferromagnets

Racetrack memories made from synthetic antiferromagnetic structures with almost zero net magnetization allow for fast current-driven motion of domain walls.

See-Hun Yang
Kwang-Su Ryu
Stuart Parkin
Research23 Feb 2015
Nature Nanotechnology

Volume: 10, P: 221-226
Tunable scaling behaviour observed in Barkhausen criticality of a ferromagnetic film

Kwang-Su Ryu
Hiro Akinaga
Sung-Chul Shin
Research15 Jul 2007
Nature Physics

Volume: 3, P: 547-550