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Magnetic skyrmions are promising candidates as information carriers in spintronic devices. The transport of individual skyrmions in a fast and controlled way is a key issue in this field. Here we introduce a novel platform for accelerating,…

Mesoscale and Nanoscale Physics · Physics 2020-12-25 Josep Castell-Queralt , Leonardo G. González-Gómez , Nuria Del-Valle , Alvaro Sanchez , Carles Navau

A new proposal is given for designing a non-volatile, completely spin logic device, that can be reprogrammed for different functional classical logical operations. We use the concept of bias driven spin dependent circular current and…

Mesoscale and Nanoscale Physics · Physics 2021-02-04 Moumita Patra , Alok Shukla , Santanu K Maiti

Skyrmion is a topologically protected spin texture excited in magnetic thin films. The radii of skyrmions are typically 10-100 nm. Because of the size, the skyrmion is expected to be a candidate for memory and novel-device usages. To…

Mesoscale and Nanoscale Physics · Physics 2020-05-12 E. Tamura , C. Liu , S. Miki , J. Cho , M. Goto , H. Nomura , R. Nakatani , Y. Suzuki

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

This project explores the use of non-volatile synapses in neuromorphic computing for pattern recognition tasks through a comprehensive simulation-based approach. The main approach is through spintronic synapses, which leverage the…

Mesoscale and Nanoscale Physics · Physics 2025-01-08 Luis Sosa , Minhyeok Wi , Miguel Barrera , Imran Nasrullah , Yingying Wu

All-spin logic device (ASLD) has attracted increasing interests as one of the most promising post-CMOS device candidates, thanks to its low power, non-volatility and logic-in-memory structure. Here we investigate the key current-limiting…

Materials Science · Physics 2015-09-24 Li Su , Youguang Zhang , Jacques-Olivier Klein , Yue Zhang , Arnaud Bournel , Albert Fert , Weisheng Zhao

It has been shown that the combining of the electrical effect on the exchange bias field with giant magneto-resistance effect of the graphene/ferromagnet hybrid structures reveals a new non-volatile magnetic random access memory device…

Materials Science · Physics 2009-01-09 Y. G. Semenov , J. M. Zavada , K. W. Kim

A magnetic skyrmionium (also called 2$\pi$-skyrmion) can be understood as a skyrmion - a topologically non-trivial magnetic whirl - which is situated in the center of a second skyrmion with reversed magnetization. Here, we propose a new…

Strongly Correlated Electrons · Physics 2019-08-22 Börge Göbel , Alexander F. Schäffer , Jamal Berakdar , Ingrid Mertig , Stuart S. P. Parkin

The use of chiral skyrmions, which are nanoscale vortex-like spin textures, as movable data bit carriers forms the basis of a recently proposed concept for magnetic solid-state memory. In this concept, skyrmions are considered to be unique…

Controllable writing and deleting of nanoscale magnetic skyrmions are key requirements for their use as information carriers for next-generation memory and computing technologies. While several schemes have been proposed, they require…

Surface-plasmon-polariton waves propagating at the interface between a metal and a dielectric, hold the key to future high-bandwidth, dense on-chip integrated logic circuits overcoming the diffraction limitation of photonics. While recent…

In this paper we discuss the potential of emerging spintorque devices for computing applications. Recent proposals for spinbased computing schemes may be differentiated as all-spin vs. hybrid, programmable vs. fixed, and, Boolean vs.…

Disordered Systems and Neural Networks · Physics 2013-08-19 Kaushik Roy , Mrigank Sharad , Deliang Fan , Karthik Yogendra

The dynamical properties of skyrmions can be exploited to build devices with new functionalities. Here, we first investigate a skyrmion-based ring-shaped device by means of micromagnetic simulations and Thiele equation. We subsequently show…

The escalating energy demands of artificial intelligence pose a critical challenge to conventional computing. Leveraging the efficiency of event-driven, in-memory neuromorphic architectures into the superconducting circuits with ultra-high…

Emerging Technologies · Computer Science 2026-04-07 Muen Wang , Shucheng Yang , Yuxiang Lin , Yuntian Gao , Xue Zhang , Xiaoping Gao , Minghui Niu , Huanli Liu , Yikang Wan , Wei Peng , Jie Ren

A rapidly developing field of spintronics is based on the premise that substituting charge with spin as a carrier of information can lead to new devices with lower power consumption, non-volatility and high operational speed. Despite…

Materials Science · Physics 2009-11-13 M. Overby , A. Chernyshov , L. P. Rokhinson , X. Liu , J. K. Furdyna

Compute-in-memory (CiM) is a promising approach to improving the computing speed and energy efficiency in dataintensive applications. Beyond existing CiM techniques of bitwise logic-in-memory operations and dot product operations, this…

Hardware Architecture · Computer Science 2023-01-03 Yiming Chen , Yushen Fu , Mingyen Lee , Sumitha George , Yongpan Liu , Vijaykrishnan Narayanan , Huazhong Yang , Xueqing Li

Logic-in-memory (LIM) describes the execution of logic gates within memristive crossbar structures, promising to improve performance and energy efficiency. Utilizing only binary values, LIM particularly excels in accelerating binary neural…

Solitonic magnetic excitations such as domain walls and, specifically, skyrmionics enable the possibility of compact, high density, ultrafast,all-electronic, low-energy devices, which is the basis for the emerging area of skyrmionics. The…

Micromagnetic simulations were employed to investigate the dynamics of a single skyrmion within an antiferromagnetic nanostripe with spatially engineered magnetic properties. This study investigates skyrmion motion within an…

Mesoscale and Nanoscale Physics · Physics 2025-01-13 R. C. Silva , R. L. Silva

As a promising alternative to the Von Neumann architecture, in-memory computing holds the promise of delivering high computing capacity while consuming low power. Content addressable memory (CAM) can implement pattern matching and distance…

Mesoscale and Nanoscale Physics · Physics 2023-07-10 Zijing Zhao , Junzhe Kang , Ashwin Tunga , Hojoon Ryu , Ankit Shukla , Shaloo Rakheja , Wenjuan Zhu
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