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Related papers: Precipitating Ordered Skyrmion Lattices from Helic…

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Using atomistic simulations, we show that new types of skyrmion states called skyrmion molecular crystals and skyrmion superlattices can be realized on triangular substrates when there are two or three skyrmions per substrate minimum. We…

Mesoscale and Nanoscale Physics · Physics 2024-07-30 J. C. Bellizotti Souza , N. P. Vizarim , C. J. O. Reichhardt , P. A. Venegas , C. Reichhardt

We examine the ordering of skyrmions interacting with a square substrate created from a modulation of anisotropy using atomistic simulations. We consider fillings of {\it f} = 1.5, 2.0, 2.5, 3.0, and 3.5 skyrmions per potential minimum as a…

Mesoscale and Nanoscale Physics · Physics 2025-04-25 J. C. Bellizotti Souza , C. J. O. Reichhardt , C. Reichhardt , N. P. Vizarim , P. A. Venegas

Since the 1950s Heisenberg and others have attempted to explain the appearance of countable particles in quantum field theory in terms of stable localized field configurations. As an exception Skyrme's model succeeded to describe nuclear…

Statistical Mechanics · Physics 2009-11-11 U. K. Roessler , A. N. Bogdanov , C. Pfleiderer

Topologically non trivial spin textures host great promise for future spintronic applications. Skyrmions in particular are of burgeoning interest owing to their nanometric size, topological protection, and high mobility via ultra-low…

The melting and magnetic disordering of the skyrmion lattice in the quantum Hall system at filling factor $\nu\approx 1$ are studied. A Berezinskii-Kosterlitz-Thouless renormalization group theory is employed to describe the coupled…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Carsten Timm , S. M. Girvin , H. A. Fertig

Nanoscale chiral skyrmions in noncentrosymmetric helimagnets are promising binary state variables in high-density, low-energy nonvolatile memory. Skyrmions are ubiquitous as an ordered, single-domain lattice phase, which makes it difficult…

Mesoscale and Nanoscale Physics · Physics 2016-11-28 S. L. Zhang , A. Bauer , H. Berger , C. Pfleiderer , G. van der Laan , T. Hesjedal

Thin magnetic films with Dzyaloshinskii-Moriya interactions are known to host skyrmion crystals, which typically have a hexagonal lattice structure. We investigate skyrmion-lattice configurations in synthetic antiferromagnets, i.e., a…

Mesoscale and Nanoscale Physics · Physics 2019-08-14 Etienne van Walsem , Rembert A. Duine , Juriaan Lucassen , Reinoud Lavrijsen , Henk J. M. Swagten

In three-dimensional chiral magnets, skyrmions are line-like objects oriented parallel to the applied magnetic field. The efficient coupling of magnetic skyrmion lattices to spin currents and magnetic fields permits their dynamical…

Strongly Correlated Electrons · Physics 2025-04-03 Felix Rucker , Alla Bezvershenko , Denis Mettus , Andreas Bauer , Markus Garst , Achim Rosch , Christian Pfleiderer

Topological spin structures, such as magnetic skyrmions, hold great promises for data storage applications, thanks to their inherent stability. In most cases, skyrmions are stabilized by magnetic fields in non-centrosymmetric systems…

Materials Science · Physics 2020-12-02 Danila Amoroso , Paolo Barone , Silvia Picozzi

We present a systematic study of the formation of skyrmion crystals in a triangular Kondo Lattice model for generic electron filling fractions. Our results indicate that the four-sublattice chiral antiferromagnetic ordering that was…

Strongly Correlated Electrons · Physics 2023-10-18 Zhentao Wang , Cristian D. Batista

We investigate the existence and stability of skyrmions in a frustrated chiral ferromagnet by considering the competition between ferromagnetic (FM) nearest-neighbour (NN) interaction ($J_1$) and antiferromagnetic (AFM)…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 H. Y. Yuan , O. Gomonay , Mathias Kläui

Magnetic skyrmions are well-suited for encoding information because they are nano-sized, topologically stable, and only require ultra-low critical current densities $j_c$ to depin from the underlying atomic lattice. Above $j_c$ skyrmions…

Strongly Correlated Electrons · Physics 2020-11-16 Yongkang Luo , Shizeng Lin , M. Leroux , N. Wakeham , D. M. Fobes , E. D. Bauer , J. B. Betts , A. Migliori , J. D. Thompson , M. Janoschek , Boris Maiorov

Magnetic skyrmions have been receiving growing attention as potential information storage and magnetic logic devices since an increasing number of materials have been identified that support skyrmion phases. Explorations of artificial…

Strongly Correlated Electrons · Physics 2016-10-12 Fusheng Ma , C. Reichhardt , Weiliang Gan , C. J. Olson Reichhardt , Wen Siang Lew

Magnetic skyrmions, topologically stable spin textures, have attracted significant interest due to their potential applications in information storage and processing. They are typically stabilized by the Dzyaloshinskii-Moriya interaction in…

Other Condensed Matter · Physics 2026-01-05 A. Vela Wac , F. A. Gómez Albarracín , D. C. Cabra

Small angle neutron scattering experiments were performed on a bulk single crystal of chiral-lattice multiferroic insulator Cu$_2$OSeO$_3$. In the absence of an external magnetic field, helical spin order with magnetic modulation vector $q…

Strongly Correlated Electrons · Physics 2012-06-25 S. Seki , J. -H. Kim , D. S. Inosov , R. Georgii , B. Keimer , S. Ishiwata , Y. Tokura

Magnetic skyrmions in chiral magnets typically arrange into hexagonal lattices, with their structural order influenced by factors such as temperature, external magnetic fields and geometric constraints. While translational defects in…

Skyrmions are promising for the next generation of spintronic and magnonic devices, but their zero-field stability and controlled nucleation through chiral interactions remain challenging. In this theoretical study, we explore the potential…

Materials Science · Physics 2023-12-13 Bilal Jabakhanji , Doried Ghader

Magnetic skyrmions in chiral-lattice ferromagnets are currently attracting enormous research interest because of their potential applications in spintronic devices. However, they emerge in bulk specimens only in a narrow window of…

Mesoscale and Nanoscale Physics · Physics 2020-03-17 Kohei Tanaka , Ryosuke Sugawara , Masahito Mochizuki

Magnetic skyrmions are promising candidates for the next generation of spintronic devices due to their small size and topologically protected structure. One challenge for using these magnetic states in applications lies on controlling the…

Mesoscale and Nanoscale Physics · Physics 2018-10-19 J. Brandão , D. A. Dugato , R. L. Seeger , J. C. Denardin , T. J. A. Mori , J. C. Cezar

We report a detailed small-angle neutron scattering (SANS) study of the skyrmion lattice phase of MnSi under compressive and tensile strain. In particular, we demonstrate that tensile strain applied in the skyrmion lattice plane,…

Strongly Correlated Electrons · Physics 2017-05-11 David M. Fobes , Yongkang Luo , N. Leon-Brito , E. D. Bauer , V. R. Fanelli , M. A. Taylor , L. M. Debeer-Schmitt , M. Janoschek