Chiral bobber
WebApr 9, 2024 · Experimental observation of chiral magnetic bobbers in B20-type FeGe. Fengshan Zheng, Filipp N. Rybakov, Aleksandr B. Borisov, … WebJun 5, 2024 · It was discovered in a chiral magnet, MnSi with B20 structure, in 2009 and later confirmed as a common feature of magnetic compounds with Dzyaloshinsky–Moriya interaction (DMI). In this work, we provide fundamental insight into the magnetic properties of skyrmion-hosting materials originating from DMI.
Chiral bobber
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WebA chiral bobber is a localized three-dimensional magnetization configuration, terminated by a singularity. Chiral bobbers coexist with magnetic skyrmions in chiral magnets, lending … WebJun 29, 2024 · Furthermore, both skyrmions and the newly-discovered chiral bobbers are very small, with diameters of typically only a few tens of nanometers. Therefore, they can in principle be used to pack...
WebDec 30, 2024 · Magnetic skyrmion tubes and bobbers are two types of different nanoscale spin configurations that can coexist in nanostructures of chiral magnets. They are then … WebAug 5, 2024 · These two chiral magnetic states consist of spin spirals aligned along either the easy axes of the system (helical), or along the applied field direction (conical) 7, 25. In each configuration,...
WebJun 24, 2024 · For theoretical analysis of magnetic states in a sample of confined geometry, we use a standard model for isotropic chiral magnets that includes Heisenberg exchange, DMI, and demagnetizing fields. The energy density functional can … WebDuring Lent, we seek the Lord in prayer by reading Sacred Scripture; we serve by giving alms; and we practice self-control through fasting. We are called not only to abstain from …
WebSep 17, 2024 · Chiral bobber (ChB) is an exotic three-dimensional topological texture in chiral magnets. It is composed of a Bloch-point singularity and a skyrmion tube; the …
WebNov 14, 2024 · We show using micromagnetic simulations that chiral bobbers, earlier predicted to be metastable, are in fact the stable ground state in the presence of an addnl. interfacial Rashba Dzyaloshinskii ... hilary roberts barristerWebChiral bobbers: (a) traditional spin bobber and (b) chiral spin bobber in hard-soft magnetic bilayers. In (b) the blue region is a Co-Fe alloy and the yellow region is MnBi. In both types of bobbers, the spins form chiral vortex or curling mode. Figure 2. Structural and magnetic properties of the Mn-Bi films: (a) XRD pattern of a MnBi (100 nm ... hilary roberts curatorWebDec 20, 2024 · A chiral bobber is a localized three-dimensional magnetization configuration, terminated by a singularity. Chiral bobbers coexist with magnetic … hilary roberts ceramicsWebMar 6, 2024 · Significantly, the proposed scenario also enables the manipulation of stabilities and transition barriers of these textures, even accompanied by the discovery of ground-state chiral bobbers. This study may raise great expectations on the coexistence of topological spin textures as spintronics-based information carriers for future applications. hilary robbinsWebApr 12, 2024 · Chiral bobbers are formed by skyrmion tubes partially penetrating into a sample with a nite depth and ending with Bloch points (Figs. 1f-h), whose thermal stability is attributed to the... hilary roberts iwmWebDec 13, 2024 · According to the simulation results, we find that both the tube-like Néel-type skyrmions and the bobber-like Néel-type skyrmions can be electrically generated. In particular, the size of the bobber-like Néel-type skyrmions can be effectively reduced by the spin-orbit torques, which leads to the formation of 20 nm Néel-type skyrmions. small-sized carWebMar 10, 2024 · Other three-dimensional spin textures, such as chiral bobbers 6,7 or skyrmion strings 8, which have recently been found in spin systems, have a robust and flexible three-dimensional structure ... small-sized classes