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다차원 탄소재료 연구단
다차원 탄소재료 연구단
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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(s)
Gyeong Hee Ryu; Hyo Ju Park; Junga Ryou; Jinwoo Park; Jongyeong Lee; Gwangwoo Kim; Hyeon Suk Shin; Christopher W. Bielawski; Rodney S. Ruoff; Suklyun Hong; Zonghoon Lee
Publication Date
2015-06
Journal
NANOSCALE, v.7, no.24, pp.10600 - 10605
Publisher
ROYAL SOC CHEMISTRY
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://pr.ibs.re.kr/handle/8788114/2172
ISSN
2040-3364
Appears in Collections:
Center for Multidimensional Carbon Materials(다차원 탄소재료 연구단) > Journal Papers (저널논문)
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