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磁性多层膜中斯格明子的前景与挑战

Skyrmions in magnetic multilayers: current status and future challenges

  • 摘要: 拓扑磁学是近年内磁学领域内衍生出的一个子学科,它以寻找、研究和利用磁性材料中的拓扑自旋结构为核心目标,相关研究在凝聚态物理领域内已成为一个较大的分支。这些拓扑自旋结构包括:磁涡旋(magnetic vortex)、磁性斯格明子(magnetic skyrmion)、磁浮子(magnetic bobber)等。文章将以磁性多层膜中的斯格明子为对象,从材料优化、拓扑物理、表征、操控、探测等角度出发,详细讨论当前的主要研究热点,以及未来功能器件应用方面的一些挑战。

     

    Abstract: Topological magnetism is an emerging research field in nanomagnetism, the objective of which is to explore novel topological spin textures and potential device applications. These topological spin textures include magnetic vortices, magnetic skyrmions, magnetic bobbers, etc. In this article we use skyrmions in magnetic multilayers as an example to address the following important issues: material systems with optimized properties, topologic physics, characterization, manipulation and detection schemes, and challenges for future device applications.

     

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