The atomic reconstruction and stacking arrangement in twisted trilayer graphene with a range of varying twist angles are elucidated by four-dimensional scanning transmission electron microscopy, revealing the hierarchical moiré of moiré superstructures that govern the structural symmetry at different length scales.

中文翻译：

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揭开云纹纹理错综复杂的云纹

通过四维扫描透射电子显微镜阐明了具有一系列不同扭转角度的扭转三层石墨烯中的原子重构和堆叠排列，揭示了莫尔超结构的分级莫尔条纹，其控制了不同长度尺度的结构对称性。