منابع مشابه
Current-induced skyrmion generation and dynamics in symmetric bilayers
Magnetic skyrmions are quasiparticle-like textures which are topologically different from other states. Their discovery in systems with broken inversion symmetry sparked the search for materials containing such magnetic phase at room temperature. Their topological properties combined with the chirality-related spin-orbit torques make them interesting objects to control the magnetization at nano...
متن کاملac current generation in chiral magnetic insulators and Skyrmion motion induced by the spin Seebeck effect.
We show that a temperature gradient induces an ac electric current in multiferroic insulators when the sample is embedded in a circuit. We also show that a thermal gradient can be used to move magnetic Skyrmions in insulating chiral magnets: the induced magnon flow from the hot to the cold region drives the Skyrmions in the opposite direction via a magnonic spin transfer torque. Both results ar...
متن کاملErratum: Skyrmion Creation and Manipulation by Nano-Second Current Pulses
with the bulk Dzyaloshinskii-Moriya interaction (DMI), has chiral crystal structure that supports vortex-like skyrmions. Another type of the systems are heavy metal/ultrathin ferromagnetic layers such as
متن کاملThermally assisted current-driven skyrmion motion
We study the behavior of skyrmions in thin films under the action of stochastic torques arising from thermal fluctuations. We find that the Brownian motion of skyrmions is described by a stochastic Thiele’s equation and its corresponding Fokker-Planck equation. The resulting Fokker-Planck equation is recognized as the one for a high-friction Brownian particle which has been studied extensively ...
متن کاملCurrent-induced skyrmion dynamics in constricted geometries.
Magnetic skyrmions--vortex-like swirling spin structures with a quantized topological number that are observed in chiral magnets--are appealing for potential applications in spintronics because it is possible to control their motion with ultralow current density. To realize skyrmion-based spintronic devices, it is essential to understand skyrmion motions in confined geometries. Here we show by ...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2012
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.85.174416