Spin-torque and spin-Hall nano-oscillators

T Chen, RK Dumas, A Eklund, PK Muduli… - Proceedings of the …, 2016 - ieeexplore.ieee.org
This paper reviews the state of the art in spin-torque and spin-Hall-effect-driven nano-
oscillators. After a brief introduction to the underlying physics, the authors discuss different …

Spin-transfer torques generated by the anomalous Hall effect and anisotropic magnetoresistance

T Taniguchi, J Grollier, MD Stiles - Physical Review Applied, 2015 - APS
Spin-orbit coupling in ferromagnets gives rise to the anomalous Hall effect and the
anisotropic magnetoresistance, both of which can be used to create spin-transfer torques in …

Ultrafast sweep-tuned spectrum analyzer with temporal resolution based on a spin-torque nano-oscillator

A Litvinenko, V Iurchuk, P Sethi, S Louis… - Nano …, 2020 - ACS Publications
We demonstrate that a spin-torque nano-oscillator (STNO) rapidly sweep-tuned by a bias
voltage can be used to perform an ultrafast time-resolved spectral analysis of frequency …

Field-free high-frequency exchange-spring spin-torque nano-oscillators

S Jiang, S Chung, QT Le, PKJ Wong, W Zhang… - Nano Letters, 2023 - ACS Publications
Spin-torque nano-oscillators (STNOs) are a type of nanoscale microwave auto-oscillators
utilizing spin-torque to generate magnetodynamics with great promise for applications in …

Control of the noncollinear interlayer exchange coupling

ZR Nunn, C Abert, D Suess, E Girt - Science Advances, 2020 - science.org
Interlayer exchange coupling in transition metal multilayers has been intensively studied for
more than three decades and is incorporated into almost all spintronic devices. With the …

High frequency operation of a spin‐torque oscillator at low field

SM Mohseni, SR Sani, J Persson… - physica status solidi …, 2011 - Wiley Online Library
We demonstrate a nano‐contact based spin‐torque oscillator (STO) combining a high
operating frequency with low field operation. The STO is based on an orthogonal spin‐valve …

[Co/Pd]–NiFe exchange springs with tunable magnetization tilt angle

TN Nguyen, Y Fang, V Fallahi, N Benatmane… - Applied Physics …, 2011 - pubs.aip.org
We investigate exchange coupled [Co/Pd] 5–NiFe thin films. Due to competition between the
in-plane shape anisotropy of the NiFe and strong perpendicular magnetic anisotropy of the …

Zero-field precession and hysteretic threshold currents in a spin torque nano device with tilted polarizer

Y Zhou, S Bonetti, CL Zha, J Åkerman - New Journal of Physics, 2009 - iopscience.iop.org
Using nonlinear system theory and numerical simulations, we map out the static and
dynamic phase diagrams in the zero applied field of a spin torque nano device with a tilted …

Spin transfer torque generated magnetic droplet solitons

S Chung, SM Mohseni, SR Sani, E Iacocca… - Journal of Applied …, 2014 - pubs.aip.org
We present recent experimental and numerical advancements in the understanding of spin
transfer torque generated magnetic droplet solitons. The experimental work focuses on nano …

Synchronization and chaos in a spin-torque oscillator with a perpendicularly magnetized free layer

T Yamaguchi, N Akashi, K Nakajima, S Tsunegi… - Physical Review B, 2019 - APS
Synchronization and chaos caused by alternating current and microwave field in a spin
torque oscillator consisting of a perpendicularly magnetized free layer and an in-plane …