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Magnetic chiral skyrmions are localized topological field configurations, which are stabilized by Dzyaloshinskii-Moriya interaction and/or magnetostatic dipolar coupling in magnetic nanostructures. To realize and eventually commercialize skymionics, various challenges need to be solved such as creating and annihilation of skyrmions [1-4], conversion of skyrmions with different helicity and vorticity...
The intriguing magnetic states — skyrmion and skyrmion lattice — have been observed and created in helical magnetics, such as MnSi, Fe1−xCoxSi, the helical FeGe and monolayer Fe film [1-3]. The skyrmions in helical magnets are always associated with the chiral magnetic interaction, namely Dzyaloshinskii-Moriya interaction (DMI). However, several novel works present new approaches to create the skyrmion...
In the processing fabrication of MTJ stacks, the Neel and magnetostatic coupling induce a strong interlayer coupling field along the hard-axis direction, and the utilization of the magnetic bias field along the easy-axis direction makes the response of MTJ nonlinear. In this paper, we researched the influence of the interlayer coupling field and permanent bias field on the linearity of MTJ magnetic...
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