Scaling up electrically synchronized spin torque oscillator networks

S Tsunegi, T Taniguchi, R Lebrun, K Yakushiji… - Scientific reports, 2018 - nature.com
Synchronized nonlinear oscillators networks are at the core of numerous families of
applications including phased array wave generators and neuromorphic pattern matching …

Array of synchronized nano-oscillators based on repulsion between domain wall and skyrmion

C Jin, J Wang, W Wang, C Song, J Wang, H Xia… - Physical Review Applied, 2018 - APS
Spin-transfer nano-oscillators (STNOs) are nanosized microwave signal generators based
on spin-transfer torque and the magnetoresistance effect. So far, the low output power of …

Evaluation of memory capacity of spin torque oscillator for recurrent neural networks

S Tsunegi, T Taniguchi, S Miwa… - Japanese Journal of …, 2018 - iopscience.iop.org
We have succeeded in experimentally observing the memory functionality of a vortex-type
spin torque oscillator used in recurrent neural networks for the first time. Voltage pulses …

Overcoming the limits of vortex formation in magnetic nanodots by coupling to antidot matrix

RV Verba, D Navas, A Hierro-Rodriguez… - Physical Review …, 2018 - APS
Static magnetic configurations of thin, circular, soft (permalloy) magnetic nanodots, coupled
to a hard antidot matrix with perpendicular magnetization, are studied by micromagnetic …

Vortex spin-torque diode: The impact of DC bias

PN Skirdkov, AF Popkov, KA Zvezdin - Applied Physics Letters, 2018 - pubs.aip.org
We consider a vortex spin-torque diode represented by a magnetic tunnel junction with tilted
magnetization in the fixed layer and vortex magnetization distribution in the free layer. Vortex …

Self-injection locking of a spin torque nano-oscillator to magnetic field feedback

H Singh, A Bose, S Bhuktare, A Fukushima… - Physical Review …, 2018 - APS
We demonstrate the self-synchronization of a spin torque nano-oscillator (STNO) using
magnetic field feedback. The rf output of the STNO is connected to a waveguide which rests …

Dynamics of coupled magnetic vortices in trilayer conducting nanocylinder

SV Stepanov, AE Ekomasov, KA Zvezdin… - Physics of the Solid …, 2018 - Springer
Solving numerically the generalized Landau–Lifshitz equation, we have carried out the
micromagnetic investigation of the dynamics of two dipole-coupled magnetic vortices in a …

Selective control of vortex polarities by microwave field in two robustly synchronized spin-torque nano-oscillators

Y Li, X De Milly, O Klein, V Cros, J Grollier… - Applied Physics …, 2018 - pubs.aip.org
Manipulating operation states of coupled spin-torque nano-oscillators (STNOs), including
their synchronization, is essential for applications such as complex oscillator networks. In …

Size dependence of vortex-type spin torque oscillation in a Co2Fe0. 4Mn0. 6Si Heusler alloy disk

T Seki, T Kubota, T Yamamoto… - Journal of Physics D …, 2018 - iopscience.iop.org
This paper reports the systematic investigation of vortex-type spin torque oscillation in
circular disks of highly spin-polarized Co 2 Fe 0.4 Mn 0.6 Si (CFMS) Heusler alloys. We …

Исследование связанной динамики магнитных вихрей в трехслойном проводящем наноцилиндре

СВ Степанов, АЕ Екомасов, КА Звездин… - Физика твердого …, 2018 - mathnet.ru
С помощью численного решения обобщенного уравнения Ландау–Лифшица
проведено микромагнитное исследование динамики двух дипольно связанных …