Spontaneous nucleation of vortex–antivortex pairs in confined magnetic microstructures
Xiaochen Shen,
Lan Bo,
Rongzhi Zhao
et al.
Abstract:Vortex–antivortex pairs have shown great potential in spintronics, where they can be used for information storage and logical devices. However, the physical mechanism for the nucleation of vortex–antivortex pairs is still unclear due to its metastability. We report on spontaneous nucleation of vortex–antivortex pairs in patterned Fe20Ni80 films (circular, square, hexagonal islands). By using a complex approach involving micromagnetic simulations, more in-depth understanding of vortex pair nucleation was achiev… Show more
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