Pattern formation in skyrmionic materials with anisotropic environments

Magnetic Skyrmions have attracted broad attention during recent years because they are regarded as promising candidates as bits of information in novel data storage devices. A broad range of theoretical and experimental investigations have been conducted with the consideration of axisymmetric Skyrmions in isotropic environments. However, one naturally observes a huge variety of anisotropic behavior inmany experimentally relevant materials. In the present work, we investigate the influence of anisotropic environments onto the formation and behavior of the noncollinear spin states of skyrmionic materials by means of Monte Carlo calculations. We find skyrmionic textures which are far from having an axisymmetric shape. Furthermore, we show the possibility to employ periodic modulations of the environment to create skyrmionic tracks.

近年来，磁性斯格明子（Magnetic Skyrmions）受到广泛关注，因其被视作新型数据存储器件中信息比特的极具潜力的候选对象。学界已针对各向同性环境中的轴对称斯格明子开展了大量理论与实验研究。然而，在诸多与实验相关的材料中，人们观测到了丰富多样的各向异性行为。本研究借助蒙特卡洛（Monte Carlo）计算方法，探究了各向异性环境对斯格明子材料中非共线自旋态的形成与行为特性的影响。研究发现了大量偏离轴对称形态的斯格明子织构；此外，本研究证实可通过对环境施加周期性调制来构建斯格明子赛道。