English
Related papers

Related papers: Antiferromagnetic Skyrmion based Energy-Efficient …

200 papers

Antiferromagnetic (AFM) and ferromagnetic (FM) skyrmions possess unique advantages for spintronic applications. AFM skyrmions eliminate the skyrmion Hall effect and exhibit fast dynamics, whereas FM skyrmions are easier to nucleate and…

Materials Science · Physics 2026-04-03 Xinyang Jiang , Jian Wu , Weiyi Pan

Antiferromagnetic (AFM) skyrmions, which are resistant to both the skyrmion Hall effect and external magnetic perturbations, are expected to be promising candidates for next-generation spintronics devices. Despite being observed in bulk…

Mesoscale and Nanoscale Physics · Physics 2024-05-16 Weiyi Pan , Zhiming Xu

Nonlinear phenomena in physical systems can be used for brain-inspired computing with low energy consumption. Response from the dynamics of a topological spin structure called skyrmion is one of the candidates for such a neuromorphic…

Emerging Technologies · Computer Science 2022-10-07 Tomoyuki Yokouchi , Satoshi Sugimoto , Bivas Rana , Shinichiro Seki , Naoki Ogawa , Yuki Shiomi , Shinya Kasai , Yoshichika Otani

Magnetic skyrmions are particle-like topological excitations in ferromagnets, which have the topological number $Q=\pm 1$, and hence show the skyrmion Hall effect (SkHE) due to the Magnus force effect originating from the topology. Here, we…

Mesoscale and Nanoscale Physics · Physics 2016-04-25 Xichao Zhang , Yan Zhou , Motohiko Ezawa

Antiferromagnetic materials have a vanishingly small net magnetization, which generates weak dipolar fields and makes them robust against external magnetic perturbation and rapid magnetization dynamics, as dictated by the geometric mean of…

Materials Science · Physics 2024-11-19 Ankit Shukla , Siyuan Qian , Shaloo Rakheja

Spiking neural networks (SNNs) based on Leaky Integrate and Fire (LIF) model have been applied to energy-efficient temporal and spatiotemporal processing tasks. Thanks to the bio-plausible neuronal dynamics and simplicity, LIF-SNN benefits…

Machine Learning · Computer Science 2022-03-04 Zhenzhi Wu , Hehui Zhang , Yihan Lin , Guoqi Li , Meng Wang , Ye Tang

Magnetic skyrmions are nano-scale spin textures whose stability, size and ease of manipulation make them strong contenders for next generation data and logic applications. Here we illustrate fine motion control of skyrmions, we show how…

Applied Physics · Physics 2023-04-12 Charles Kind

Recently, magnetic skyrmion has emerged as an active topic of fundamental study and applications in magnetic materials research. Magnetic skyrmions are vortex-like spin excitations with topological protection and therefore are more robust…

Materials Science · Physics 2019-08-23 S. Joseph Poon , Chung Ting Ma

Tiny Machine Learning (TinyML) has become a growing field in on-device processing for Internet of Things (IoT) applications, capitalizing on AI algorithms that are optimized for their low complexity and energy efficiency. These algorithms…

Hardware Architecture · Computer Science 2024-11-05 Asmer Hamid Ali , Mozhgan Navardi , Tinoosh Mohsenin

In 2016, the Global Burden of Disease reported that neurological disorders were the principal cause of disability-adjusted life years (DALYs) and the second leading cause of deaths. Research in the last decade has pushed neuroscience to…

Applied Physics · Physics 2019-10-08 Renata Saha , Kai Wu , Diqing Su , Jian-Ping Wang

Magnetic skyrmion technology is promising for the next-generation spintronics-based memory and neuromorphic computing due to their small size, non-volatility and low depinning current density. However, the Magnus force originating from the…

Mesoscale and Nanoscale Physics · Physics 2023-02-27 Debasis Das , Yunuo Cen , Jianze Wang , Xuanyao Fong

Complementary metal oxide semiconductor (CMOS) devices display volatile characteristics, and are not well suited for analog applications such as neuromorphic computing. Spintronic devices, on the other hand, exhibit both non-volatile and…

The increasing need for efficient thermal management in nanoelectronics requires innovative thermal sensing solutions, as conventional sensors often exhibit nonlinear responses, low sensitivity, and complex calibration. We predict a…

The dynamics of antiferromagnets is a current hot topic in condensed matter physics and spintronics. However, the dynamics of insulating antiferromagnets cannot be excited by an electric current, which is a method usually used to manipulate…

Mesoscale and Nanoscale Physics · Physics 2018-11-01 Laichuan Shen , Jing Xia , Guoping Zhao , Xichao Zhang , Motohiko Ezawa , Oleg A. Tretiakov , Xiaoxi Liu , Yan Zhou

Magnetic skyrmions are topological solitons with a nanoscale winding spin texture that hold promise for spintronics applications. Until now, skyrmions have been observed in a variety of magnets that exhibit nearly parallel alignment for the…

In this work, we have proposed a revolutionary neuromorphic computing methodology to implement All-Skyrmion Spiking Neural Network (AS-SNN). Such proposed methodology is based on our finding that skyrmion is a topological stable spin…

Neural and Evolutionary Computing · Computer Science 2017-05-09 Zhezhi He , Deliang Fan

Existing skyrmion nucleation methods lead to increased Joule heating, limiting the applicability to metallic Antiferromagnetic (AFM) systems. In this study, we propose a novel, energy-efficient mechanical method for nucleating AFM skyrmions…

Materials Science · Physics 2025-03-11 Rohollah Khoshlahni , Yousef Azizi , Ali Aftabi , Serban Lepadatu , Majid Mohseni

The increasing complexity and energy demands of large-scale neural networks, such as Deep Neural Networks (DNNs) and Large Language Models (LLMs), challenge their practical deployment in edge applications due to high power consumption, area…

Neural and Evolutionary Computing · Computer Science 2026-05-18 Ckristian Duran , Nanako Kimura , Zolboo Byambadorj , Tetsuya Iizuka

In this paper, the hardware implementation of a neuromorphic system is presented. This system is composed of a Leaky Integrate-and-Fire with Latency (LIFL) neuron and a Spike-Timing Dependent Plasticity (STDP) synapse. LIFL neuron model…

Searching for new methods controlling antiferromagnetic (AFM) domain wall is one of the most important issues for AFM spintronic device operation. In this work, we study theoretically the domain wall motion of an AFM nanowire, driven by the…

Applied Physics · Physics 2020-02-26 D. L. Wen , Z. Y. Chen , W. H. Li , M. H. Qin , D. Y. Chen , Z. Fan , M. Zeng , X. B. Lu , X. S. Gao , J. M. Liu