Neuromorphic spintronics

J Grollier, D Querlioz, KY Camsari… - Nature …, 2020 - nature.com
Neuromorphic computing uses brain-inspired principles to design circuits that can perform
computational tasks with superior power efficiency to conventional computers. Approaches …

Review of magnetic tunnel junctions for stochastic computing

BR Zink, Y Lv, JP Wang - IEEE Journal on Exploratory Solid …, 2022 - ieeexplore.ieee.org
Modern computing schemes require large circuit areas and large energy consumption for
neuromorphic computing applications, such as recognition, classification, and prediction …

Nanosecond random telegraph noise in in-plane magnetic tunnel junctions

K Hayakawa, S Kanai, T Funatsu, J Igarashi, B **nai… - Physical review …, 2021 - APS
We study the timescale of random telegraph noise (RTN) of nanomagnets in stochastic
magnetic tunnel junctions (MTJs). From analytical and numerical calculations based on the …

P-bits for probabilistic spin logic

KY Camsari, BM Sutton, S Datta - Applied Physics Reviews, 2019 - pubs.aip.org
We introduce the concept of a probabilistic or p-bit, intermediate between the standard bits
of digital electronics and the emerging q-bits of quantum computing. We show that low …

CMOS plus stochastic nanomagnets enabling heterogeneous computers for probabilistic inference and learning

NS Singh, K Kobayashi, Q Cao, K Selcuk, T Hu… - Nature …, 2024 - nature.com
Extending Moore's law by augmenting complementary-metal-oxide semiconductor (CMOS)
transistors with emerging nanotechnologies (X) has become increasingly important. One …

Spiking dynamics in dual free layer perpendicular magnetic tunnel junctions

L Farcis, BMS Teixeira, P Talatchian, D Salomoni… - Nano Letters, 2023 - ACS Publications
Spintronic devices have recently attracted a lot of attention in the field of unconventional
computing due to their non-volatility for short-and long-term memory, nonlinear fast …

Nanosecond true-random-number generation with superparamagnetic tunnel junctions: Identification of Joule heating and spin-transfer-torque effects

L Schnitzspan, M Kläui, G Jakob - Physical Review Applied, 2023 - APS
This work investigates nanosecond superparamagnetic switching in 50-nm-diameter in-
plane magnetized magnetic tunnel junctions (MTJs). Due to the small in-plane uniaxial …

Stochastic magnetic actuated random transducer devices based on perpendicular magnetic tunnel junctions

L Rehm, CCM Capriata, S Misra, JD Smith… - Physical Review …, 2023 - APS
True random number generators are of great interest in many computing applications, such
as cryptography, neuromorphic systems, and Monte Carlo simulations. Here, we investigate …

Low-barrier magnet design for efficient hardware binary stochastic neurons

O Hassan, R Faria, KY Camsari, JZ Sun… - IEEE Magnetics …, 2019 - ieeexplore.ieee.org
Binary stochastic neurons (BSNs) form an integral part of many machine learning
algorithms, motivating the development of hardware accelerators for this complex function. It …

Stochastic computing implemented by skyrmionic logic devices

H Zhang, D Zhu, W Kang, Y Zhang, W Zhao - Physical Review Applied, 2020 - APS
Magnetic skyrmions, which are a topologically nontrivial spin texture, have been considered
as promising information carriers in future electronic devices because of their nanoscale …