منابع مشابه
Current Induced Vortex Wall Dynamics in Helical Magnetic Systems
Nontrivial topology of interfaces separating phases with opposite chirality in helical magnetic metals result in new effects as they interact with spin polarized current. These interfaces or vortex walls consist of a one dimensional array of vortex lines. We predict that adiabatic transfer of angular momentum between vortex array and spin polarized current will result in topological Hall effect...
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Direct observations of vortex structure only appear recently; in this essay we will examine these first observations. And then introduce experiments and theory about the dynamics of vortex core; meanwhile we will propose the principle of chirality conservation in vortex; and with this idea we present another explanation in Bussmann’s experimental results. Finally, reveal the high possible appli...
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15 صفحه اولTransverse and vortex domain wall structure in magnetic nanowires with uniaxial in-plane anisotropy.
Micromagnetic and analytical models are used to investigate how in-plane uniaxial anisotropy affects transverse and vortex domain walls in nanowires where shape anisotropy dominates. The effect of the uniaxial anisotropy can be interpreted as a modification of the effective wire dimensions. When the anisotropy axis is aligned with the wire axis (θ(a) = 0), the wall width is narrower than when n...
متن کاملOff-centred immobile magnetic vortex
Formation of the ‘dip’ structure which foregoes switching of magnetic vortex polarity is studied numerically in magnetic nanodisc. A new method based on influence of the spin-transfer torque is used. The method allows one to obtain the dip structure for immobile vortex which significantly improves studying accuracy in comparison with the case of moving vortex. Free out-of-plane vortices as well...
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ژورنال
عنوان ژورنال: AIP Advances
سال: 2015
ISSN: 2158-3226
DOI: 10.1063/1.4935276