FeGe薄膜磁性表面螺线的X射线全息成像
X-ray holographic imaging of magnetic surface spirals in FeGe lamellae
摘要：
已知各向同性螺旋磁体具有多种手性磁态。2016年，F.N. Rybakov等人从理论上证明了表面钉扎堆叠自旋螺旋相的存在[F.N. Rybakov等人，2016 New J.Phys.18 045002]，其尚未在实验上观察到。在这里，我们提出的实验证据，观察这种状态的铁锗薄片使用共振X射线全息成像数据和微磁模拟。这种状态的识别具有重要意义的稳定性，其他共存的自旋纹理，并将有助于完成我们的理解helmagnetic系统。
英文摘要：
Isotropic helimagnets are known to host a diverse range of chiral magnetic states. In 2016, F.N. Rybakov et al. theorized the presence of a surface-pinned stacked spin spiral phase [F.N. Rybakov et al., 2016 New J. Phys. 18 045002], which has yet to be observed experimentally. Here we present experimental evidence for the observation of this state in lamellae of FeGe using resonant x-ray holographic imaging data and micromagnetic simulations. The identification of this state has significant implications for the stability of other coexisting spin textures, and will help complete our understanding of helimagnetic systems.
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