Seoul National University College of Engineering has announced that a joint research team led by Professor Hyobin Yoo from the Department of Materials Science and Engineering, in collaboration with Professor Young-Woo Son (Korea Institute for Advanced Study) and Professor Changwon Park (Ewha Womans University), has successfully developed a two-dimensional (2D) quantum material platform through the superposition of moiré lattices. The research was published online on May 14 in Nature, the most prestigious journal in science and technology, under the title “Unconventional domain tessellations in moiré-of-moiré lattices.” The study was supported by the National Research Foundation of Korea’s Young Researcher Program and SRC program, the POSCO Science Fellowship from the POSCO TJ Park Foundation, and the Korea Institute for Advanced Study. This study marks the first atomic-level identification of hierarchical structures and complex interlayer interactions resulting from the superposition of different moiré lattices in a trilayer graphene system. The work is expected to offer a promising new solid-state platform for the development of programmable quantum devices and next-generation electronic materials.

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