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Related papers: RC circuit based on magnetic skyrmions

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Magnetic skyrmions have attracted considerable interest, especially after their recent experimental demonstration at room temperature in multilayers. The robustness, nanoscale size and non-volatility of skyrmions have triggered a…

Magnetic skyrmions hold great promise for realizing compact and stable memory devices that can be manipulated at very low energy costs via electronic current densities. In this work, we extend a recently introduced method to describe…

Mesoscale and Nanoscale Physics · Physics 2023-12-20 Emil Östberg , Emil Viñas Boström , Claudio Verdozzi

The nonlinear dynamic behavior of a magnetic skyrmion in circular nanodots was studied numerically by solving the Landau-Lifshitz-Gilbert equation with a classical spin model. We show that a skyrmion core reversal can be achieved within…

Mesoscale and Nanoscale Physics · Physics 2015-03-11 Bin Zhang , Weiwei Wang , Marijan Beg , Hans Fangohr , Wolfgang Kuch

Skyrmions are chiral swirling magnetization structures with nanoscale size. These structures have attracted considerable attention due to their topological stability and promising applicability in nanodevices, since they can be displaced…

Mesoscale and Nanoscale Physics · Physics 2021-02-19 Swapneel Amit Pathak , Riccardo Hertel

Over the past decade Spiking Neural Networks (SNN) have emerged as one of the popular architectures to emulate the brain. In SNN, information is temporally encoded and communication between neurons is accomplished by means of spikes. In…

Emerging Technologies · Computer Science 2016-12-14 Abhronil Sengupta , Aparajita Banerjee , Kaushik Roy

Magnetic skyrmions are topologically protected spin swirling vertices, which are promising in device applications due to their particle-like nature and excellent controlability. Magnetic skyrmions have been extensively studied in a variety…

Materials Science · Physics 2025-09-10 Fawei Zheng

Physical reservoir computing (RC) is a beyond von-Neumann computing paradigm that harnesses the dynamical properties of a complex physical system (reservoir) to process information efficiently in tasks such as pattern recognition. This…

We consider helical rotation of skyrmions confined in the potentials formed by nano-disks. Based on numerical and analytical calculations we propose the skyrmion echo phenomenon. The physical mechanism of the skyrmion echo formation is also…

Strongly Correlated Electrons · Physics 2022-10-05 X. -G. Wang , Guang-hua Guo , A. Dyrdał , J. Barnaś , V. K. Dugaev , S. S. P. Parkin , A. Ernst , L. Chotorlishvili

Skyrmions are vortex-like textures of magnetic moments found in some magnetically ordered materials. Here we describe the origin of the skyrmion and discuss the experimental realization of skyrmions in magnetic materials, the dynamic…

Strongly Correlated Electrons · Physics 2022-02-23 Tom Lancaster

The physical mechanisms underlying current-driven skyrmion motion include the spin-transfer torque exerted by a spin-polarized horizontal electric current and the spin-orbit torque exerted by a perpendicular spin current. Each mechanism…

Mesoscale and Nanoscale Physics · Physics 2025-05-09 Yuto Uwabo , Ryo Fujimoto , Kimimaro Yanai , Masahito Mochizuki

Magnetic skyrmions are localized nanometric spin textures with quantized winding numbers as the topological invariant. Rapidly increasing attention has been paid to the investigations of skyrmions since their experimental discovery in 2009,…

Strongly Correlated Electrons · Physics 2018-07-31 Ping Huang , Marco Cantoni , Alex Kruchkov , Rajeswari Jayaraman , Arnaud Magrez , Fabrizio Carbone , Henrik M. Ronnow

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…

Thin-film sub-5 nm magnetic skyrmions constitute an ultimate scaling alternative for future digital data storage. Skyrmions are robust non-collinear spin-textures that can be moved and manipulated by small electrical currents. We show here…

Mesoscale and Nanoscale Physics · Physics 2015-10-20 Dax M. Crum , Mohammed Bouhassoune , Juba Bouaziz , Benedikt Schweflinghaus , Stefan Blügel , Samir Lounis

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…

Magnetic skyrmions are topologically protected spin textures known for their robustness against perturbations. Their topological stability makes them robust information carriers, ideal for tackling a key challenge in quantum computing:…

Quantum Physics · Physics 2026-01-19 Haowen Yang , Gerald Bissell , Han Zhong , Peter Van Kirk , Tiger Cao , Pengcheng Lu , Yingying Wu

The magnetization reversal in 330 nm triangular prismatic magnetic nanoelements with variable magnetocrystalline anisotropy similar to that of partially chemically ordered FePt is studied using micromagnetic simulations employing Finite…

Computational Physics · Physics 2019-03-27 Leonidas N. Gergidis , Vasileios D. Stavrou , Drosos Kourounis , Ioannis Panagiotopoulos

Controlling multiple skyrmions in nanowires is important for their implementation in racetrack memory or neuromorphic computing. Here, we report on the dynamical behavior of two interacting skyrmions in confined devices with a comparison to…

Applied Physics · Physics 2023-06-14 W. Al Saidi , R. Sbiaa , S. Bhatti , S. N. Piramanayagam , S. Al Risi , O. Al Bahri

Magnetic skyrmions are localised non-collinear spin textures with high potential for future spintronic applications. Skyrmion phases have been discovered in a number of materials and a focus of current research is the preparation,…

Non-Boolean computing based on emerging post-CMOS technologies can potentially pave the way for low-power neural computing platforms. However, existing work on such emerging neuromorphic architectures have either focused on solely mimicking…

Emerging Technologies · Computer Science 2016-11-15 Abhronil Sengupta , Yong Shim , Kaushik Roy

This paper introduces an analog spiking neuron that utilizes time-domain information, i.e., a time interval of two signal transitions and a pulse width, to construct a spiking neural network (SNN) for a hardware-friendly physical reservoir…

Neural and Evolutionary Computing · Computer Science 2025-06-06 Nanako Kimura , Ckristian Duran , Zolboo Byambadorj , Ryosho Nakane , Tetsuya Iizuka