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Related papers: Creation of a Chiral Bobber Lattice in Helimagnet-…

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Formation of isolated chiral skyrmions by homogeneous and heterogeneous nucleation has been studied in thin layers of cubic helimagnets via elongation of torons and chiral bobbers, correspondingly. Both torons and bobbers are localized in…

Mesoscale and Nanoscale Physics · Physics 2018-08-15 A. O. Leonov , K. Inoue

Helical magnetic structures and its responses to external magnetic fields in Yb(Ni$_x$Cu$_{1-x}$)$_3$Al$_9$, with a chiral crystal structure of the space group $R32$, have been investigated by resonant X-ray diffraction. It is shown that…

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…

The topologically-protected, chiral soliton lattice is a unique state of matter offering intriguing functionality and it may serve as a robust platform for storing and transporting information in future spintronics devices. While the…

Strongly Correlated Electrons · Physics 2019-04-12 A. A. Aczel , L. M. DeBeer-Schmitt , T. J. Williams , M. A. McGuire , N. J. Ghimire , L. Li , D. Mandrus

Skyrmions represent topologically stable field configurations with particle-like properties. We used neutron scattering to observe the spontaneous formation of a two-dimensional lattice of skyrmion lines, a type of magnetic vortices, in the…

Strongly Correlated Electrons · Physics 2015-05-13 S. Mühlbauer , B. Binz , F. Jonietz , C. Pfleiderer , A. Rosch , A. Neubauer , R. Georgii , P. Böni

While chiral magnetic skyrmions have been attracting significant attention in the past years, recently, a new type of a chiral particle emerging in thin films $-$ a chiral bobber $-$ has been theoretically predicted and experimentally…

Materials Science · Physics 2019-04-17 M. Redies , F. R. Lux , J. -P. Hanke , P. M. Buhl , G. P. Müller , N. S. Kiselev , S. Blügel , Y. Mokrousov

The spin structure of exchange-coupled MnBi:Co-Fe bilayers is investigated by X-ray magnetic circular dichroism (XMCD), polarized neutron reflectometry (PNR), and micromagnetic simu-lations. The purpose of the present research is two-fold.…

Magnetic materials can host skyrmions, which are topologically non-trivial spin textures. In chiral magnets with cubic lattice symmetry, all previously-observed skyrmion phases require thermal fluctuations to become thermodynamically stable…

Strongly Correlated Electrons · Physics 2021-04-06 A. Chacon , L. Heinen , M. Halder , A. Bauer , W. Simeth , S. Mühlbauer , H. Berger , M. Garst , A. Rosch , C. Pfleiderer

Chiral magnets often show intriguing magnetic and transport properties associated with their peculiar spin textures. A typical example is a chiral soliton lattice, which is found in monoaxial chiral magnets, such as CrNb$_3$S$_6$ and…

Strongly Correlated Electrons · Physics 2018-03-14 Shun Okumura , Yasuyuki Kato , Yukitoshi Motome

We study the collective dynamics of a two-dimensional honeycomb lattice of magnetic skyrmions. By performing large-scale micromagnetic simulations, we find multiple chiral and non-chiral edge modes of skyrmion oscillations in the lattice.…

Mesoscale and Nanoscale Physics · Physics 2018-11-28 Z. -X. Li , C. Wang , Yunshan Cao , Peng Yan

Magnetic skyrmions in chiral magnets are nanoscale, topologically-protected magnetization swirls that are promising candidates for spintronics memory carriers. Therefore, observing and manipulating the skyrmion state on the surface level of…

Materials Science · Physics 2016-06-06 S. L. Zhang , A. Bauer , D. M. Burn , P. Milde , E. Neuber , L. M. Eng , H. Berger , C. Pfleiderer , G. van der Laan , T. Hesjedal

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

Chiral skyrmion states exist in non - centrosymmetric magnetic crystals as a consequence of the asymmetric exchange Dzyaloshinskii-Moriya interactions that destroy the homogeneous magnetic state and generally lead to twisted incommensurate…

Mesoscale and Nanoscale Physics · Physics 2014-06-10 A. O. Leonov

A direct three-dimensional minimization of the standard energy functional shows that in thin films of cubic helimagnets chiral skyrmions are modulated along three spatial directions. The structure of such 3D skyrmions can be thought of as a…

Strongly Correlated Electrons · Physics 2013-04-08 F. N. Rybakov , A. B. Borisov , A. N. Bogdanov

Skyrmions, spin spirals, and other chiral magnetization structures developing in materials with intrinsic Dzyaloshinsky-Moriya Interaction display unique properties that have been the subject of intense research in thin-film geometries.…

Mesoscale and Nanoscale Physics · Physics 2021-03-11 Swapneel Amit Pathak , Riccardo Hertel

The chirality, i.e. left or right handedness, is an important notion in a broad range of science. In condensed matter, this occurs not only in molecular or crystal forms but also in magnetic structures. A magnetic skyrmion, a…

Materials Science · Physics 2013-10-24 K. Shibata , X. Z. Yu , T. Hara , D. Morikawa , N. Kanazawa , K. Kimoto , S. Ishiwata , Y. Matsui , Y. Tokura

We report a microscopic mechanism for stabilization of biskyrmions in nature by investigating a minimal classical spin lattice model with nearest neighbour ferromagnetic Heisenberg exchange and static chiral magnetic interaction on the…

Strongly Correlated Electrons · Physics 2024-05-31 Deepak S. Kathyat , Pinaki Sengupta

We report the observation of the skyrmion lattice in the chiral multiferroic insulator Cu2OSeO3 using Cu L3-edge resonant soft x-ray diffraction. We observe the unexpected existence of two distinct skyrmion sublattices that arise from…

Strongly Correlated Electrons · Physics 2015-06-18 M. C. Langner , S. Roy , S. K. Mishra , J. C. T. Lee , X. W. Shi , M. A. Hossain , Y. -D. Chuang , S. Seki , Y. Tokura , S. D. Kevan , R. W. Schoenlein

Topology can manifest topological magnetism (e.g., skyrmion and bimeron) in real space and quantum anomalous Hall (QAH) state in momentum space, which have changed the modern conceptions of matter phase. While the topologies in different…

Materials Science · Physics 2024-07-15 Zhonglin He , Wenhui Du , Kaiying Dou , Ying Dai , Baibiao Huang , Yandong Ma

We investigated the magnetic helicity of the triple-$q$ magnetic structure of the triangular skyrmion lattice in the ``A-phase" of EuPtSi for a magnetic field along the [111] axis by resonant x-ray diffraction using a circularly polarized…

Strongly Correlated Electrons · Physics 2026-05-26 Takeshi Matsumura , Chihiro Tabata , Koji Kaneko , Hironori Nakao , Masashi Kakihana , Masato Hedo , Takao Nakama , Yoshichika Ōnuki
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