Magnetic Skyrmion Transport in a Nanotrack With Spatially Varying Damping and Non-adiabatic Torque
arXiv:1607.04983 · doi:10.1109/TMAG.2016.2641384
Abstract
Reliable transport of magnetic skyrmions is required for any future skyrmion-based information processing devices. Here we present a micromagnetic study of the in-plane current-driven motion of a skyrmion in a ferromagnetic nanotrack with spatially sinusoidally varying Gilbert damping and/or non-adiabatic spin-transfer torque coefficients. It is found that the skyrmion moves in a sinusoidal pattern as a result of the spatially varying Gilbert damping and/or non-adiabatic spin-transfer torque in the nanotrack, which could prevent the destruction of the skyrmion caused by the skyrmion Hall effect. The results provide a guide for designing and developing the skyrmion transport channel in skyrmion-based spintronic applications.
arXiv comment5 pages, 6 figures
References in corpus (32)
- Skyrmion Lattice in a Chiral Magnet
- Spontaneous Skyrmion Ground States in Magnetic Metals
- Observation of room temperature magnetic skyrmions and their current-driven dynamics in ultrathin Co films
- Blowing Magnetic Skyrmion Bubbles
- Direct Observation of the Skyrmion Hall Effect
- Skyrmions at room temperature : From magnetic thin films to magnetic multilayers
- Additive interfacial chiral interaction in multilayers for stabilization of small individual skyrmion at room temperature
- Micromagnetic understanding of current-driven domain wall motion in patterned nanowires
- Room temperature chiral magnetic skyrmion in ultrathin magnetic nanostructures
- Emergent electrodynamics of skyrmions in a chiral magnet
- Skyrmion confinement in ultrathin film nanostructures in the presence of Dzyaloshinskii-Moriya interaction
- Current-induced skyrmion dynamics in constricted geometries
- Magnetic skyrmion logic gates: conversion, duplication and merging of skyrmions
- Theory of current-driven motion of Skyrmions and spirals in helical magnets
- Static and Dynamical Properties of Antiferromagnetic Skyrmions in the Presence of Applied Current and Temperature
- Magnetic bilayer-skyrmions without skyrmion Hall effect
- Dynamics of Skyrmion Crystals in Metallic Thin Films
- Skyrmion-skyrmion and skyrmion-edge repulsions in skyrmion-based racetrack memory
- Antiferromagnetic Skyrmion: Stability, Creation and Manipulation
- Edge-Mediated Skyrmion Chain and Its Collective Dynamics in a Confined Geometry
- Control and manipulation of a magnetic skyrmionium in nanostructures
- Electrical detection of magnetic skyrmions by non-collinear magnetoresistance
- Ground state search, hysteretic behaviour, and reversal mechanism of skyrmionic textures in confined helimagnetic nanostructures
- Current induced rotational torques in the skyrmion lattice phase of chiral magnets
- Perpendicular Reading of Single Confined Magnetic Skyrmions
- Thermally stable magnetic skyrmions in multilayer synthetic antiferromagnetic racetracks
- Quantized Transport for a Skyrmion Moving on a Two-Dimensional Periodic Substrate
- Edge instabilities and skyrmion creation in magnetic layers
- Magnus-Induced Ratchet Effects for Skyrmions Interacting with Asymmetric Substrates
- Shapiro Steps for Skyrmion Motion on a Washboard Potential with Longitudinal and Transverse ac Drives
- Magnus-Induced Dynamics of Driven Skyrmions on a Quasi-One-Dimensional Periodic Substrate
- Topological strength of magnetic skyrmions
Cited by in corpus (4)
- Statics and Dynamics of Skyrmions Interacting with Pinning: A Review
- Fundamental Theory of Current-Induced Motion of Magnetic Skyrmions
- Spontaneous Skyrmion Conformal Lattice and Transverse Motion During dc and ac Compression
- Traps for pinning and scattering of antiferromagnetic skyrmions via magnetic properties engineering