Researchers from the Institute of Physics (IOP) of the Chinese Academy of Sciences, collaborating with international colleagues, have presented an overview of recent progress in emerging moiré photonics and optoelectronics. It was published in Science on March 30.

Moiré superlattices are artificial quantum materials formed by vertically stacking two or more two-dimensional (2D) layered materials with a slight lattice mismatch and/or a small rotational twist. They introduce a potential landscape of much larger length scale than the crystal periodicity of the constituent 2D layers, providing a novel paradigm for engineering band structures and hence a plethora of exotic quantum phenomena.

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