Chiral bobber
WebChiral Bobbers in FeGe Epitaxial Films. Skyrmions in bulk magnetic materials are in the form of tubes that lie along the applied magnetic field and span the entire thickness of the crystal. A theoretical calculation … 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,...
Chiral bobber
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WebNov 16, 2024 · Such chiral bobber-like structures and deformed strings are also confirmed by several XY-slices taken at different z-values (Figure 3c–e). The slice at z = −50 nm close to the top surface exhibits only three circular domains corresponding to strings #1, #3, and #4, whereas chiral bobber #2 is absent. WebMay 27, 2024 · Minimum energy paths are found for magnetization reversals in a nano-island, collapse of skyrmions in two-dimensional layers and annihilation of a chiral bobber near the surface of a three-dimensional magnet. The LBFGS-OSO method is found to outperform the dynamics based approaches by up to a factor of 8 in some cases. Authors:
WebNov 5, 2024 · 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 … WebMar 12, 2024 · In this work, we theoretically demonstrate the stabilities of various topological spin textures against homochiral states in chiral magnets, including chiral bobbers, dipole strings, and skyrmion tubes. They can be effectively classified by …
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 … WebOct 12, 2024 · Image by Author. Input the test text as follows and press the Test button: {"text": "We report exptl. and theor. evidence for the formation of chiral bobbers-an interfacial topol. spin texture-in FeGe films grown by mol. beam epitaxy.After establishing the presence of skyrmions in FeGe/Si(111) thin-film samples through Lorentz …
WebMar 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 ... population of breckenridge coloradoWebSep 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 … shark vacuum ix141WebChiral magnetic skyrmions 1,2 are nanoscale vortex-like spin textures that form in the presence of an applied magnetic field in ferromagnets that support the Dzyaloshinskii … population of bredburyWebJun 29, 2024 · These objects, which are referred to as "chiral magnetic bobbers," are three-dimensional magnetic structures that appear near the surfaces of certain alloys. … shark vacuum infomercial with free steam mopWebFeb 1, 2024 · A chiral bobber is composed of a Bloch-point singularity and a skyrmion tube, [62, 64, 65] which can be useful for enabling reliable skyrmionic device at room temperature racetrack memory. Unlike... shark vacuum keeps saying obstructionWebOct 27, 2024 · In this configuration, the external field will decrease the magnetic structure size for both bobbers and tubes in the bottom layer, while increasing it in the top layer. … population of brecksville ohWebMay 27, 2024 · The simulation cell contains 30 × 30 × 30 atoms subject to periodic boundary conditions in the x–y plane representing a chiral bobber located near one of the boundaries, see figure 4. The final state of the transition is the conical state. The parameter values are J = 1 meV (only nearest neighbour interaction), D = 0.45 meV, B = 2.8 T, μ i ... population of brecksville ohio