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Geometry-induced spin-ice structures prepared by self-organization on the nanoscale

机译:通过纳米自组织制备的几何诱导自旋冰结构

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摘要

We use non-close packed colloidal lithography to prepare hexagonal magnetic antidot arrays with varying diameters at a period of 205 nm. Smaller antidots are attractive for applications as spin waveguides in magnonics. Larger antidots form a magnetically frustrated system, i.e. Kagome spin-ice, as we prove by magnetic force microscopy. The simple but effective approach successfully extends the limits of top-down lithography previously used to study spin-ice configurations and emergent magnetic monopoles towards smaller structures.
机译:我们使用非密堆积胶体光刻技术来制备直径为205 nm的六角形磁性解毒剂阵列。较小的解毒剂对于强磁技术中的自旋波导很有吸引力。正如我们通过磁力显微镜所证明的那样,较大的解毒剂形成了一个受磁挫折的系统,即Kagome旋转冰。一种简单而有效的方法成功地扩展了自上而下的光刻技术的范围,该方法以前用于研究自旋冰的构造和新兴的磁性单极子,朝向较小的结构。

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