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We simulate automotion, the spontaneous transport of a magnetic domain wall under the influence of demagnetization and magnetic anisotropy, in nanoscale spintronic interconnects. In contrast to spin transfer driven magnetic domain wall…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Dmitri E. Nikonov , Sasikanth Manipatruni , Ian A. Young

This paper presents a neuromorphic system for cognitive load classification in a real-world setting, an Air Traffic Control (ATC) task, using a hardware implementation of Spiking Neural Networks (SNNs). Electroencephalogram (EEG) and…

Neural and Evolutionary Computing · Computer Science 2025-10-06 Jiahui An , Chonghao Cai , Olympia Gallou , Sara Irina Fabrikant , Giacomo Indiveri , Elisa Donati

The memory demands of large-scale deep neural networks (DNNs) require synaptic weight values to be stored and updated in off-chip memory like dynamic random-access memory, which reduces energy efficiency and increases training time.…

Applied Physics · Physics 2025-10-08 Abhishek Kumar , Peter D. Hodgson , Manus Hayne , Avirup Dasgupta

Spiking neural networks (SNNs) have garnered interest due to their energy efficiency and superior effectiveness on neuromorphic chips compared with traditional artificial neural networks (ANNs). One of the mainstream approaches to…

Neural and Evolutionary Computing · Computer Science 2024-04-29 Zhipeng Huang , Jianhao Ding , Zhiyu Pan , Haoran Li , Ying Fang , Zhaofei Yu , Jian K. Liu

Since the experimental discovery of magnetic skyrmions achieved one decade ago, there have been significant efforts to bring the virtual particles into all-electrical fully functional devices, inspired by their fascinating physical and…

Nanoelectronic devices that mimic the functionality of synapses are a crucial requirement for performing cortical simulations of the brain. In this work we propose a ferromagnet-heavy metal heterostructure that employs spin-orbit torque to…

Emerging Technologies · Computer Science 2015-06-23 Abhronil Sengupta , Zubair Al Azim , Xuanyao Fong , Kaushik Roy

In the last decade, two revolutionary concepts in nano magnetism emerged from research for storage technologies and advanced information processing. The first suggests the use of magnetic domain walls (DWs) in ferromagnetic nanowires to…

Mesoscale and Nanoscale Physics · Physics 2019-08-07 N. Sato , K. Schultheiss , L. Körber , N. Puwenberg , T. Mühl , A. A. Awad , S. S. P. K. Arekapudi , O. Hellwig , J. Fassbender , H. Schultheiss

Topologically stable magnetic skyrmion has a much lower depinning current density that may be useful for memory as well as neuromorphic computing. However, skyrmion-based devices suffer from the Magnus force originating from the skyrmion…

Mesoscale and Nanoscale Physics · Physics 2022-11-15 Debasis Das , Yunuo Cen , Jianze Wang , Xuanyao Fong

Spintronic devices, whose operation is based on the motion of a magnetic domain wall (DW), have been proposed recently. If a DW could be driven directly by flowing an electric current instead of a magnetic field, the performance and…

Materials Science · Physics 2009-11-10 Akinobu Yamaguchi , Teruo Ono , Saburo Nasu , Kousaku Miyake , Ko Mibu , Teruya Shinjo

The growing demand for storage, due to big data applications, cannot be met by hard disk drives. Domain wall (DW) memory devices such as racetrack memory offer an alternative route to achieve high capacity storage. In DW memory, control of…

Applied Physics · Physics 2020-02-19 H. Mohammed , S. Al Risi , T. L. Jin3 J. Kosel , S. N. Piramanayagam , R. Sbiaa

Neuromorphic computing mimics computational principles of the brain in $\textit{silico}$ and motivates research into event-based vision and spiking neural networks (SNNs). Event cameras (ECs) exclusively capture local intensity changes and…

Robotics · Computer Science 2024-04-10 Ahmed Faisal Abdelrahman , Matias Valdenegro-Toro , Maren Bennewitz , Paul G. Plöger

Neural networks have become the key technology of artificial intelligence and have contributed to breakthroughs in several machine learning tasks, primarily owing to advances in deep learning applied to Artificial Neural Networks (ANNs).…

Neural and Evolutionary Computing · Computer Science 2021-03-18 Stanisław Woźniak , Angeliki Pantazi , Thomas Bohnstingl , Evangelos Eleftheriou

We propose energy efficient strain control of domain wall (DW) in a perpendicularly magnetized nanoscale racetrack on a piezoelectric substrate that can implement multi state synapse to be utilized in neuromorphic computing platforms. In…

Mesoscale and Nanoscale Physics · Physics 2021-11-29 Walid Al Misba , Tahmid Kaisar , Dhritiman Bhattacharya , Jayasimha Atulasimha

Deep Neural Networks (DNNs) are rapidly being applied to safety-critical domains such as drone and airplane control, motivating techniques for verifying the safety of their behavior. Unfortunately, DNN verification is NP-hard, with current…

Machine Learning · Computer Science 2020-09-15 Matthew Sotoudeh , Aditya V. Thakur

Perpendicularly magnetized materials have attracted tremendous interest due to their high anisotropy, which results in extremely narrow, nano-sized domain walls. As a result, the recently studied current-induced domain wall motion (CIDWM)…

Materials Science · Physics 2015-06-11 P. P. J. Haazen , E. Murè , J. H. Franken , R. Lavrijsen , H. J. M. Swagten , B. Koopmans

Ultrathin ferromagnetic strips with high perpendicular anisotropy have been proposed for the development of memory devices where the information is coded in tiny domains separated by domain walls. The design of practical devices requires…

Mesoscale and Nanoscale Physics · Physics 2017-09-21 Oscar Alejos , Victor Raposo , Luis Sanchez-Tejerina , Eduardo Martinez

Spintronics has gone through substantial progress due to its applications in energy-efficient memory, logic and unconventional computing paradigms. Multilayer ferromagnetic thin films are extensively studied for understanding the domain…

Due to the fundamental limit to reducing power consumption of running deep learning models on von-Neumann architecture, research on neuromorphic computing systems based on low-power spiking neural networks using analog neurons is in the…

Neural and Evolutionary Computing · Computer Science 2022-03-03 Hanseok Kim , Woo-Seok Choi

Bio-inspired Spiking Neural Networks (SNN) are now demonstrating comparable accuracy to intricate convolutional neural networks (CNN), all while delivering remarkable energy and latency efficiency when deployed on neuromorphic hardware. In…

Computer Vision and Pattern Recognition · Computer Science 2023-12-13 Gourav Datta , Zeyu Liu , James Diffenderfer , Bhavya Kailkhura , Peter A. Beerel

Deep neural networks have been proven to be highly effective tools in various domains, yet their computational and memory costs restrict them from being widely deployed on portable devices. The recent rapid increase of edge computing…

Neural and Evolutionary Computing · Computer Science 2023-06-01 Ayan Shymyrbay , Mohammed E. Fouda , Ahmed Eltawil