Results 51 to 60 of about 11,623 (209)

History-dependent domain and skyrmion formation in 2D van der Waals magnet Fe3GeTe2

Nature Communications, 2022
Fe3GeTe2, known as FGT, is a van der Waals magnetic material that was recently shown to host magnetic skyrmions. Here, Birch et al using both X-ray and electron microscopy to study the stability of skyrmions in FGT, revealing how the sample history can ...
M. T. Birch, L. Powalla, S. Wintz, O. Hovorka, K. Litzius, J. C. Loudon, L. A. Turnbull, V. Nehruji, K. Son, C. Bubeck, T. G. Rauch, M. Weigand, E. Goering, M. Burghard, G. Schütz   +14 more
doaj   +1 more source

Electrical signature of individual magnetic skyrmions in multilayered systems

, 2017
Magnetic skyrmions are topologically protected whirling spin textures that can be stabilized in magnetic materials in which a chiral interaction is present. Their limited size together with their robustness against the external perturbations promote them
Bouzehouane, Karim, Collin, Sophie, Cros, Vincent, Fert, Albert, Garcia, Karin, Legrand, William, Maccariello, Davide, Reyren, Nicolas   +7 more
core   +1 more source

Skyrmion Knots in Frustrated Magnets [PDF]

Physical Review Letters, 2017
A magnetic Skyrmion is a stable two-dimensional nanoparticle describing a localized winding of the magnetization in certain magnetic materials. Skyrmions are the subject of intense experimental and theoretical investigation and have potential technological spintronic applications.
openaire   +4 more sources

An atomically tailored chiral magnet with small skyrmions at room temperature

Communications Physics, 2023
Creating materials that do not exist in nature can lead to breakthroughs in science and technology. Magnetic skyrmions are topological excitations that have attracted great attention recently for their potential applications in low power, ultrahigh ...
Tao Liu, Camelia M. Selcu, Binbin Wang, Núria Bagués, Po-Kuan Wu, Timothy Q. Hartnett, Shuyu Cheng, Denis Pelekhov, Roland A. Bennett, Joseph Perry Corbett, Jacob R. Repicky, Brendan McCullian, P. Chris Hammel, Jay A. Gupta, Mohit Randeria, Prasanna V. Balachandran, David W. McComb, Roland K. Kawakami   +17 more
doaj   +1 more source

Magnetic skyrmion-based synaptic devices [PDF]

Nanotechnology, 2017
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 been proposed, highlighting their potential applications. Here, we report on a bioinspired skyrmionic device with
Yangqi Huang, Wang Kang, Xichao Zhang, Yan Zhou, Weisheng Zhao   +4 more
openaire   +3 more sources

Symmetry-governed dynamics of magnetic skyrmions under field pulses

Communications Physics
Topological magnetic solitons, such as skyrmions, exhibit intriguing particle-like properties that make them attractive for fundamental research and practical applications.
Vladyslav M. Kuchkin, Bruno Barton-Singer, Pavel F. Bessarab, Nikolai S. Kiselev   +3 more
doaj   +1 more source

Field-free deterministic ultra fast creation of skyrmions by spin orbit torques

, 2017
Magnetic skyrmions are currently the most promising option to realize current-driven magnetic shift registers. A variety of concepts to create skyrmions were proposed and demonstrated. However, none of the reported experiments show controlled creation of
A Brataas, A Fert, A Hrabec, A Rosch, A Vansteenkiste, Bastian Pfau, Benjamin Krüger, C Moreau-Luchaire, Christian M. Günther, Dieter Engel, F Büttner, F Hellman, Felix Büttner, Geoffrey S. D. Beach, Ivan Lemesh, J Iwasaki, J Sampaio, J Sinova, Jan Geilhufe, Jens Viefhaus, K Garello, K Litzius, K-F Huang, K-S Lee, L Liu, Lucas Caretta, M Schott, Michael Schneider, N Nagaosa, N Romming, Piet Hessing, S Eisebitt, S Rohart, S Woo, SSP Parkin, Stefan Eisebitt, W Jiang, W Jiang, W Koshibae, W Legrand, X Yu, Y Zhou   +41 more
core   +2 more sources

2D Magnetic and Topological Quantum Materials and Devices for Ultralow Power Spintronics

Advanced Functional Materials, EarlyView.
2D magnets and topological quantum materials enable ultralow‐power spintronics by combining robust magnetic order with symmetry‐protected, Berry‐curvature‐driven transport. Fundamentals of 2D anisotropy and spin‐orbit‐coupling induced band inversion are linked to scalable growth and vdW stacking.
Brahmdutta Dixit, Yifei Yang, Shawn Li, Yu‐Chia Chen, Qi Jia, Jian‐Ping Wang   +5 more
wiley   +1 more source

Skyrmions and Antiskyrmions in Quasi-Two-Dimensional Magnets

Frontiers in Physics, 2018
A stable skyrmion, representing the smallest realizable magnetic texture, could be an ideal element for ultra-dense magnetic memories. Here, we review recent progress in the field of skyrmionics, which is concerned with studies of tiny whirls of magnetic
Alexey A. Kovalev, Shane Sandhoefner
doaj   +1 more source

Photonic Pseudospin Skyrmion in Momentum Space

IEEE Photonics Journal, 2023
Magnetic Skyrmions are topologically protected spin structures with sophisticated swirls of electron spins. In recent times, photonic counterparts of the magnetic Skyrmions have been discovered with new deep-subwavelength characteristics promising for ...
Min Lin, Luping Du, Xiaocong Yuan
doaj   +1 more source