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-torque nano-oscillators and their applications

S Jiang, L Yao, S Wang, D Wang, L Liu… - Applied Physics …, 2024 - pubs.aip.org
Spin-torque nano-oscillators (STNOs) have emerged as an intriguing category of spintronic
devices based on spin transfer torque to excite magnetic moment dynamics. The ultra-wide …

Manipulating and trapping skyrmions by magnetic field gradients

C Wang, D Xiao, X Chen, Y Zhou, Y Liu - New Journal of Physics, 2017 - iopscience.iop.org
The effective manipulation of skyrmion motion introduces the technologically relevant
possibility of skyrmion-based spintronics. Here we show how a magnetic skyrmion can be …

Decoherence and mode hopping in a magnetic tunnel junction based spin torque oscillator

PK Muduli, OG Heinonen, J Åkerman - Physical review letters, 2012 - APS
We discuss the coherence of magnetic oscillations in a magnetic tunnel junction based spin
torque oscillator as a function of the external field angle. Time-frequency analysis shows …

Auto-oscillating spin-wave modes of constriction-based spin hall nano-oscillators in weak in-plane fields

H Mazraati, SR Etesami, SAH Banuazizi, S Chung… - Physical Review …, 2018 - APS
We experimentally study the auto-oscillating spin-wave modes in Ni 80 Fe 20/β-W
constriction-based spin Hall nano-oscillators as a function of bias current, strength of the in …

Enhancement of spin-torque diode sensitivity in a magnetic tunnel junction by parametric synchronization

D Tiwari, N Sisodia, R Sharma, P Dürrenfeld… - Applied Physics …, 2016 - pubs.aip.org
We demonstrate enhanced radio frequency (RF) detection sensitivity in a magnetic tunnel
junction based spin torque oscillator (STO) using parametric synchronization. The …

Order of magnitude improvement of nano-contact spin torque nano-oscillator performance

SAH Banuazizi, SR Sani, A Eklund, MM Naiini… - Nanoscale, 2017 - pubs.rsc.org
Spin torque nano-oscillators (STNO) represent a unique class of nano-scale microwave
signal generators and offer a combination of intriguing properties, such as nano sized …

Integration of spintronic devices with memory device

CJ Wang, KBE Quek - US Patent 9,660,183, 2017 - Google Patents
A device and a method of forming a device are presented. A substrate is provided. The
substrate includes circuit component formed on a substrate surface. Back end of line …

Comprehensive and macrospin-based magnetic tunnel junction spin torque oscillator model-part I: Analytical model of the MTJ STO

T Chen, A Eklund, E Iacocca… - … on Electron Devices, 2015 - ieeexplore.ieee.org
Magnetic tunnel junction (MTJ) spin torque oscillators (STOs) have shown the potential to be
used in a wide range of microwave and sensing applications. To evaluate the potential uses …

Mode-hopping mechanism generating colored noise in a magnetic tunnel junction based spin torque oscillator

R Sharma, P Dürrenfeld, E Iacocca… - Applied Physics …, 2014 - pubs.aip.org
The frequency noise spectrum of a magnetic tunnel junction based spin torque oscillator is
examined where multiple modes and mode-hopping events are observed. The frequency …