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Dong, Jichen
다차원 탄소재료 연구단
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Mechanisms of the epitaxial growth of two-dimensional polycrystals

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Title
Mechanisms of the epitaxial growth of two-dimensional polycrystals
Author(s)
Jichen Dong; Liu, Yunqi; Feng Ding
Publication Date
2022-05
Journal
npj Computational Materials, v.8, no.1
Publisher
Nature Research
Abstract
In the epitaxial growth of two-dimensional (2D) materials on substrates, 2D polycrystals with various shapes have been broadly observed, but their formation mechanisms are still highly elusive. Here we present a complete study on the formation mechanisms of various 2D polycrystals. The structures of the 2D polycrystals are dependent on the symmetries of both the 2D material and the substrate. We build four complete libraries of 2D polycrystals for (i) threefold symmetric 2D materials on two- or six-fold symmetric substrates (i.e., family-III/II or -III/VI), (ii) threefold symmetric 2D materials on fourfold symmetric substrates (i.e. family-III/IV), (iii) fourfold symmetric 2D materials on three- or six-fold symmetric substrates (i.e., family-IV/III or -IV/VI), and (iv) sixfold symmetric 2D materials on fourfold symmetric substrates (i.e., family-VI/IV), respectively. The four libraries of 2D polycrystals are consistent with many existing experimental observations and can be used to guide the experimental synthesis of various 2D polycrystals.
URI
https://pr.ibs.re.kr/handle/8788114/11943
DOI
10.1038/s41524-022-00797-5
ISSN
2057-3960
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > 1. Journal Papers (저널논문)
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