Binding a hopfion in a chiral magnet nanodisk

WebJun 5, 2024 · By applying an external magnetic field, hopfion and MAP states with the same polarization can be switched between each other. The topological transition between the … WebJun 5, 2024 · Hopfions are three-dimensional (3D) topological textures characterized by the integer Hopf invariant . Here, we present the realization of a zero--field, stable hopfion …

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WebAug 8, 2024 · It is shown that a Hopfion can exist in a nanocylinder of a chiral magnet with dimensions similar to those used in recent experiments on target Skyrmions in the chiral … WebHere, we present the realization of a zero–field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films with … irs earliest filing date 2022 https://productivefutures.org

Hopfions in modern physics. Chiral magnet

Hopfions are three-dimensional (3D) topological textures characterized by the integer Hopf invariant QH. Here we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films with perpendicular magnetic anisotropy. The preimages of the spin texture and ... WebHopfions are three-dimensional (3D) topological textures characterized by the integer Hopf invariant QH. Here, we present the realization of a zero–field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films with perpendicular magnetic anisotropy. The preimages of the spin texture and numerical … WebSep 7, 2024 · Fig. 1: Skyrmion braid in a chiral magnet. a – d Skyrmion braid comprising six skyrmion strings represented by isosurfaces of m z = 0. The color modulation at the edges of the box indicates the ... portable water filter pitcher

[1806.01682] Binding a Hopfion in Chiral Magnet …

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Binding a hopfion in a chiral magnet nanodisk

Creation and observation of Hopfions in magnetic multilayer ... - Nature

WebMar 31, 2024 · Depending on the origin of DMI, i.e., bulk or interfacial DMI, Bloch or Neel hopfions are stabilized in magnetic nanodisks. The numerical studies of Bloch hopfions … WebNov 1, 2024 · In this article, we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by …

Binding a hopfion in a chiral magnet nanodisk

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WebJun 5, 2024 · Binding a hopfion in a chiral magnet nanodisk. Yizhou Liu, R. Lake, J. Zang. Published 5 June 2024. Physics. Physical Review B. Hopfions are three-dimensional … http://park.itc.u-tokyo.ac.jp/motohiko-ezawa/ezawa/papers.html

WebMar 30, 2024 · Binding a hopfion in a chiral magnet nanodisk. Yizhou Liu, R. Lake, J. Zang; Physics. ... We study scattering of itinerant electrons off a magnetic hopfion in a three-dimensional metallic magnet described by a magnetization vector S(r). A hopfion is a confined topological soliton of S(r) ... WebNov 28, 2024 · Hopfions can nucleate in magnetic systems such as chiral nanodisks with perpendicular magnetic anisotropy at their interfaces [40, 41], toroidal nanorings under …

WebMar 6, 2024 · K41.00003: Binding a Hopfion in Chiral Magnet Nanodisk Yizhou Liu, Roger Lake, Jiadong Zang : Wednesday, March 6, 2024 9:00AM - 9:12AM: K41.00004: Visualizing Chiral Ferrimagnetism in Amorphous GdCo Films Robert Streubel, Charles-Henri Lambert, Noah Kent, Peter Ercius, Alpha N'Diaye, Colin Ophus, Sayeef …

WebShuang Li, Jing Xia, Laichuan Shen, Xichao Zhang, Motohiko Ezawa, Yan Zhou, Mutual conversion between a magnetic Neel hopfion and a Neel toron Phys. Rev. B 105, 174407 (2024) ... 13. M. Ezawa, Compact Merons and Skyrmions in Thin Chiral Magnetic Films Phys. Rev. B 83, 100408(R) (2011) ... Spin Amplifier and Spin Diode in Graphene …

WebHere we present the realization of a zero-field, stable hopfion spin texture in a magnetic system consisting of a chiral magnet nanodisk sandwiched by two films with … irs early distributionWebFIG. 1. (a) Iso-spin contours with Sz = 0 for a magnetic hopfion with QH = 1. Inset is the iso-spin contours of S = +x̂ (red) and S = −x̂ (cyan) that demonstrate the unity linking number of the hopfion. (b) and (c) are the cross-sections of hopfion onto xy (b) and yz (c) planes, as depicted by the grey arrows. At the initial state, the torus midplane lies in the … portable water filtration purifierWebJun 17, 2024 · A magnetic Hopfion is a three-dimensional topological soliton that consists of a closed loop of a twisted magnetic Skyrmion string. The results of numerical simulations are presented that demonstrate the existence of a stable Hopfion in a nanocylinder of a chiral magnet and an explicit analytic expression is shown to provide a reasonable … portable water filter manufacturerWebDec 1, 2024 · Binding a hopfion in a chiral magnet nanodisk. Phys Rev B (2024) N. Kent et al. Creation and observation of Hopfions in magnetic multilayer systems. Nat. Commun. (2024) F. Zheng et al. Magnetic skyrmion braids. Nat. Commun. (2024) R. Lavrijsen et al. Magnetic ratchet for three-dimensional spintronic memory and logic. portable water filtration devicehttp://hopfion.com/incommensurate.html irs early ira distributionWebThe hopfion solutions for chiral magnet were demonstrated in [J.-S.B. Tai, I.I. Smalyukh "Three-dimensional crystals of adaptive knots", Science 365, 1449 (2024) ref, … portable water filter systemsWebNov 1, 2024 · Three-dimensional magnetic textures present their richness not only in variety of ground state structures, but also in their dazzling collective modes. As an example, the target skyrmion, a topological spin texture with a central skyrmion and an extra concentric helical ring, has been enabled by confining a chiral magnet in a nanodisk geometry. portable water filtration bottle