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Bielawski, Christopher W.
Synthetic Materials & Macromolecules
Research Interests
  • Synthetic chemistry, materials science, polymer chemistry, catalysis, carbon-based materials

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Atomic-scale dynamics of triangular hole growth in monolayer hexagonal boron nitride under electron irradiation

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Title
Atomic-scale dynamics of triangular hole growth in monolayer hexagonal boron nitride under electron irradiation
Author
Ryu, Gyeong HeePark, Hyo JuRyou, JungaPark, JinwooLee, JongyeongKim, GwangwooShin, Hyeon SukBielawski, Christopher W.Ruoff, Rodney S.Hong, SuklyunLee, Zonghoon
Issue Date
2015-06
Publisher
ROYAL SOC CHEMISTRY
Citation
NANOSCALE, v.7, no.24, pp.10600 - 10605
Abstract
The production of holes by electron beam irradiation in hexagonal boron nitride (hBN), which has a lattice similar to that of graphene, is monitored over time using atomic resolution transmission electron microscopy. The holes appear to be initiated by the formation of a vacancy of boron and grow in a manner that retains an overall triangular shape. The hole growth process involves the formation of single chains of B and N atoms and is accompanied by the ejection of atoms and bundles of atoms along the hole edges, as well as atom migration. These observations are compared to density functional theory calculations and molecular dynamics simulations.
URI
https://scholarworks.unist.ac.kr/handle/201301/11601
URL
http://pubs.rsc.org/en/Content/ArticleLanding/2015/NR/C5NR01473E
DOI
10.1039/C5NR01473E
ISSN
2040-3364
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PHY_Journal Papers
MSE_Journal Papers
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