论文标题
平面磁性天空与90 $^\ circ $磁性域墙的相互作用：微磁模拟
Interaction of in-plane magnetic skyrmions with 90$^\circ$ magnetic domain walls: micromagnetic simulations
论文作者
论文摘要
$ 90^\ Circ $固定的磁性域壁可以在附着在铁电基板上的薄磁层中观察到。非连接磁纹理的主要稳定机制是应变转移，该应变转移，它负责将铁电域烙印到铁磁铁的单轴各向异性中。在这里，我们通过微磁模拟调查界面dzyaloshinkii-moriya的相互作用如何影响$ 90^\ Circ $域壁结构。结果表明，dzyaloshinskii-moriya相互作用诱导了一个大型的平面磁化分量，这很大程度上取决于域壁类型。特别是，这表明这种平面外磁化成分对于通过磁性域壁的平面磁性天空（也称为bimerons）的运输至关重要。基于微磁模拟的结果，引入了基于两个$ 90^\ Circ $固定磁性域壁的平面磁性气压阀的概念。
$90^\circ$ pinned magnetic domain walls can be observed in thin magnetic layers attached to a ferroelectric substrate. The main stabilization mechanism of the noncollinear magnetic texture is the strain transfer which is responsible for imprinting of the ferroelectic domains into the uniaxial anisotropy of the ferromagnet. Here, we investigate by means of micromagnetic simulations how the interfacial Dzyaloshinkii-Moriya interaction influences the $90^\circ$ domain wall structure. It is shown that Dzyaloshinskii-Moriya interaction induces a large out-of-plane magnetization component, strongly dependent on the domain wall type. In particular, it is shown that this out-of-plane magnetization component is crucial for the transport of the in-plane magnetic skyrmions, also known as bimerons, through the magnetic domain walls. Based on the results of micromagnetic simulations, a concept of in-plane magnetic skyrmion valve based on two $90^\circ$ pinned magnetic domain walls is introduced.
