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Vital role of magnetocrystalline anisotropy in cubic chiral skyrmion hosts

机译：磁镀层各向异性在立方手性斯基尔氏症主持人中的重要作用

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Magnetic anisotropy is anticipated to govern the formation of exotic spin textures reported recently in cubic chiral magnets, like low-temperature tilted conical and skyrmion lattice (SkL) states and metastable SkLs with various lattice geometry. Motivated by these findings, we quantified the cubic anisotropy in a series of CoZnMn-type cubic chiral magnets. We found that the strength of anisotropy is highly enhanced towards low temperatures. Moreover, not only the magnitude but also the character of cubic anisotropy drastically varies upon changing the Co/Mn ratio. We correlate these changes with temperature- and composition-induced variations of the helical modulation vectors, deformations of skyrmions, structural rearrangements of the metastable SkLs and the large enhancement of Gilbert damping. Similar studies on magnetic anisotropy are required for the quantitative, unified description of the known stable and metastable modulated spin textures and for the systematic exploration of novel ones in this large class of skyrmion hosts.
机译：预计磁各向异性预计将控制最近在立方手性磁体中报告的异国情调的旋转纹理，如低温倾斜的圆锥形晶格（SKL）状态和具有各种晶格几何形状的亚料SKL。通过这些发现的激励，我们在一系列Coznmn型立方手性磁体中量化了立方体各向异性。我们发现各向异性的强度高度增强，朝向低温。此外，在改变CO / MN比时，不仅大小而且立方体各向异性的特征意味着大幅度地变化。我们将这些变化与螺旋调制载体的温度和组成诱导的变化相关，嗜误，亚料SKL的结构重排以及吉尔伯特阻尼的大增强。已知稳定和稳定的调节纺丝纹理的定量，统一描述所需的关于磁各向异性的类似研究以及在这类大类Skyrmion宿主中的新颖人的系统探索。

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