The moiré superlattice structure has become a subject of intense interest due to its unique and intriguing properties. Key to the success of its applications is the precise manipulation of morphologies that determines the ultimate functionalities. To achieve such a goal is, however, very challenging. In this work, we present an approach for tuning moiré superlattices of suspended van der Waals structures through out-of-plane deformation. By studying the influence of out-of-plane deformation on interlayer sliding and atomic reconstruction in bilayer van der Waals structures, it is observed that interlayer sliding can overcome van der Waals potential barriers, resulting in stacking mode variations. Detailed analysis show that contraction and rotation of moiré patterns are induced, and leads to changes in the wavelength of the moiré superlattice. The approach outlined here offers opportunities for controlling and manipulating moiré superlattices.

中文翻译：

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通过面外变形动态调整莫尔超晶格形态

莫尔超晶格结构因其独特而有趣的特性而成为人们强烈关注的主题。其应用成功的关键是对决定最终功能的形态的精确操纵。然而，要实现这样的目标是非常具有挑战性的。在这项工作中，我们提出了一种通过面外变形调整悬浮范德华结构莫尔超晶格的方法。通过研究面外变形对双层范德华结构中层间滑动和原子重构的影响，观察到层间滑动可以克服范德华势垒，从而导致堆叠模式变化。详细分析表明，引起莫尔图案的收缩和旋转，并导致莫尔超晶格的波长发生变化。这里概述的方法为控制和操纵莫尔超晶格提供了机会。