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层状磁性材料与拓扑材料的交汇点同时结合了二者的优势, 形成了在最小二维单元下同时具有磁序和拓扑性的材料体系, 即层状磁性拓扑材料. 这类材料的电子结构中可能存在狄拉克点、外尔点、节线等具有螺旋性或手性的拓扑电子态, 同时涵盖了绝缘体、半金属和金属等的材料分类, 导致新物性、新现象成为可能, 因此引起了广泛的关注. 本文主要以具有层状结构的本征磁性拓扑绝缘体、磁性外尔半金属、磁性狄拉克半金属等为例简要综述磁序与拓扑序之间的相互作用和近期部分的重要实验结果. 此交叉材料领域方兴未艾, 候选材料仍然非常缺乏, 亟待进一步的开发和研究, 是当前一个富有挑战的凝聚态物理前沿.The intersection between layered magnetic materials and topological materials combines the advantages of the two, forming a material system with both the magnetic orders and topological properties within the minimum two-dimensional unit, i.e. layered magnetic topological materials. This type of material may host Dirac points, Weyl points, nodal lines, etc. which are associated with helical or chiral electronic states ranging from insulator, semimetal to metal. This results in lots of novel physical problems and effects, which attract much attention of scientists. In this paper, we focus our attention on intrinsic magnetic topological insulator, magnetic Weyl semimetal, magnetic Dirac semimetal, and take them for example to briefly review the interplay between magnetic orders and topological orders and recent experimental results. This emergent area requires further studies to explore more new material candidates, which is a challenging frontier of condensed matter physics.
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