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Leining, Zhang
다차원 탄소재료 연구단
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Single-crystal two-dimensional material epitaxy on tailored non-single-crystal substrates

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Title
Single-crystal two-dimensional material epitaxy on tailored non-single-crystal substrates
Author(s)
Li, Xin; Wu, Guilin; Leining Zhang; Huang, Deping; Li, Yunqing; Zhang, Ruiqi; Li, Meng; Zhu, Lin; Guo, Jing; Huang, Tianlin; Shen, Jun; Wei, Xingzhan; Yu, Ka Man; Jichen Dong; Altman, Michael S.; Rodney S. Ruoff; Duan, Yinwu; Yu, Jie; Wang, Zhujun; Huang, Xiaoxu; Feng Ding; Shi, Haofei; Tang, Wenxin
Publication Date
2022-04
Journal
Nature Communications, v.13, no.1
Publisher
Nature Research
Abstract
© 2022, The Author(s).The use of single-crystal substrates as templates for the epitaxial growth of single-crystal overlayers has been a primary principle of materials epitaxy for more than 70 years. Here we report our finding that, though counterintuitive, single-crystal 2D materials can be epitaxially grown on twinned crystals. By establishing a geometric principle to describe 2D materials alignment on high-index surfaces, we show that 2D material islands grown on the two sides of a twin boundary can be well aligned. To validate this prediction, wafer-scale Cu foils with abundant twin boundaries were synthesized, and on the surfaces of these polycrystalline Cu foils, we have successfully grown wafer-scale single-crystal graphene and hexagonal boron nitride films. In addition, to greatly increasing the availability of large area high-quality 2D single crystals, our discovery also extends the fundamental understanding of materials epitaxy.
URI
https://pr.ibs.re.kr/handle/8788114/11444
DOI
10.1038/s41467-022-29451-w
ISSN
2041-1723
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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