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Related papers: Programmable skyrmion logic gates based on skyrmio…

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Magnetic skyrmions are topological solitons that exhibit an increased stability against annihilation, and can be displaced with low current densities, making them a promising candidate as an information carrier. In order to demonstrate a…

While magnetic solid-state memory has found commercial applications to date, magnetic logic has rather remained on a conceptual level so far. Here, we discuss open challenges of different spintronic logic approaches, which use magnetic…

Emerging Technologies · Computer Science 2024-01-19 Christoph Adelmann , Florin Ciubotaru , Fanfan Meng , Sorin Cotofana , Sebastien Couet

Magnetic skyrmions are nanometric spin textures characterized by a quantized topological invariant in magnets and often emerge in a crystallized form called skyrmion crystal in an external magnetic field. We propose that magnets hosting a…

Mesoscale and Nanoscale Physics · Physics 2023-12-21 Mu-Kun Lee , Masahito Mochizuki

Magnetic skyrmions have been in the spotlight since their observation in technologically relevant systems at room temperature. More recently, there has been increasing interest in additional quasiparticles that may exist as…

Mesoscale and Nanoscale Physics · Physics 2023-02-08 Runze Chen , Yu Li , Vasilis F. Pavlidis , Christoforos Moutafis

Superconducting electronics have emerged as a promising platform for advanced information processing, offering unique opportunities for on chip computation and signal manipulation at cryogenic temperatures. These devices hold particular…

Reservoir computing (RC) has been considered as one of the key computational principles beyond von-Neumann computing. Magnetic skyrmions, topological particle-like spin textures in magnetic films are particularly promising for implementing…

Nanomechanical systems have been proposed as an alternative computing platform for high radiation environments, where semiconductor electronics traditionally fail, as well as to allow improved gate densities and energy consumption. While…

Applied Physics · Physics 2022-12-07 T. Jin , C. G. Baker , E. Romero , N. P. Mauranyapin , T. M. F. Hirsch , W. P. Bowen , G. I. Harris

Writing, erasing and computing are three fundamental operations required by any working electronic devices. Magnetic skyrmions could be basic bits in promising in emerging topological spintronic devices. In particular, skyrmions in chiral…

Mesoscale and Nanoscale Physics · Physics 2022-04-06 Weiwei Wang , Dongsheng Song , Wensen Wei , Pengfei Nan , Shilei Zhang , Binghui Ge , Mingliang Tian , Jiadong Zang , Haifeng Du

Magnetic skyrmions have been the focus of intense research with promising applications in memory, logic and interconnect technology. Several schemes have been recently proposed and demonstrated to nucleate skyrmions. However, they either…

Mesoscale and Nanoscale Physics · Physics 2018-02-01 Sourav Dutta , Dmitri E. Nikonov , George Bourianoff , Sasikanth Manipatruni , Ian A. Young , Azad Naeemi

Magnetic skyrmions are particle-like topological spin configurations, which can carry binary information and thus are promising building blocks for future spintronic devices. In this work, we investigate the relationship between the…

Applied Physics · Physics 2020-03-25 Xue Liang , Xichao Zhang , Jing Xia , Motohiko Ezawa , Yuelei Zhao , Guoping Zhao , Yan Zhou

Magnetic skyrmion, vortex-like swirling topologically stable spin configurations, is appealing as information carrier for future nanoelectronics, owing to the stability, small size and extremely low driving current density. One of the most…

Mesoscale and Nanoscale Physics · Physics 2017-02-21 Wang Kang , Yangqi Huang , Chentian Zheng , Weifeng Lv , Na Lei , Youguang Zhang , Xichao Zhang , Yan Zhou , Weisheng Zhao

Neuromorphic computing uses brain-inspired principles to design circuits that can perform computational tasks with superior power efficiency to conventional computers. Approaches that use traditional electronic devices to create artificial…

Applied Physics · Physics 2020-07-14 J. Grollier , D. Querlioz , K. Y. Camsari , K. Everschor-Sitte , S. Fukami , M. D. Stiles

Skyrmions and antiskyrmions are nanoscale swirling textures of magnetic moments formed by chiral interactions between atomic spins in magnetic non-centrosymmetric materials and multilayer films with broken inversion symmetry. These…

Magnetic skyrmions are promising candidates for next-generation information carriers, owing to their small size, topological stability, and ultralow depinning current density. A wide variety of skyrmionic device concepts and prototypes have…

Emerging Technologies · Computer Science 2017-02-21 Yangqi Huang , Wang Kang , Xichao Zhang , Yan Zhou , Weisheng Zhao

Owing to its potential advantages such as scalability, low latency and power efficiency, optical computing has seen rapid advances over the last decades. A core unit of a potential all-optical processor would be the NAND gate, which can be…

Optics · Physics 2022-05-04 Yi Luo , Deniz Mengu , Aydogan Ozcan

Magnetic skyrmions are promising for building next-generation magnetic memories and spintronic devices due to their stability, small size and the extremely low currents needed to move them. In particular, skyrmion-based racetrack memory is…

Materials Science · Physics 2015-01-14 Xichao Zhang , G. P. Zhao , Hans Fangohr , J. Ping Liu , W. X. Xia , J. Xia , F. J. Morvan

Magnetic skyrmions are prime candidates as information carriers for spintronic devices due to their topological nature and nanometric size. However, unavoidable inhomogeneities inherent to any material leads to pinning or repulsion of…

Mesoscale and Nanoscale Physics · Physics 2020-03-13 I Gede Arjana , Imara Lima Fernandes , Jonathan Chico , Samir Lounis

A new spin based logic device is proposed. It is comprised of a common free ferromagnetic layer separated by a tunnel junction from three inputs and one output with separate fixed layers. It has the functionality of a majority gate and is…

Mesoscale and Nanoscale Physics · Physics 2015-05-19 Dmitri E. Nikonov , George I. Bourianoff , Tahir Ghani

Magnetic nano-skyrmions develop quantized helicity excitations, and the quantum tunneling between nano-skyrmions possessing distinct helicities is indicative of the quantum nature of these particles. Experimental methods capable of…

Mesoscale and Nanoscale Physics · Physics 2024-01-09 Christina Psaroudaki , Elias Peraticos , Christos Panagopoulos

In this work, we demonstrate that skyrmions can be nucleated in the free layer of a magnetic tunnel junction (MTJ) with Dzyaloshinskii-Moriya interactions (DMI) by a spin-polarized current with the assistance of stray fields from the pinned…

Mesoscale and Nanoscale Physics · Physics 2018-05-21 Xueying Zhang , Wenlong Cai , Xichao Zhang , Zilu Wang , Zhi Li , Yu Zhang , Kaihua Cao , Na Lei , Wang Kang , Yue Zhang , Haiming Yu , Yan Zhou , Weisheng Zhao