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Ruoff, Rodney S.
Center for Multidimensional Carbon Materials (CMCM)
Research Interests
  • Next generation carbons, ultrathin sp3-bonded carbon sheets, negative curvature (‘Schwartzites’) carbons, sp3/sp2 hybrid carbon materials, model compounds for novel carbon materials, reaction mechanisms

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Breaking of symmetry in graphene growth on metal substrates

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dc.contributor.author Artyukhov, Vasilii I. ko
dc.contributor.author Hao, Yufeng ko
dc.contributor.author Ruoff, Rodney S. ko
dc.contributor.author Yakobson, Boris I. ko
dc.date.available 2015-04-17T01:33:20Z -
dc.date.created 2015-04-13 ko
dc.date.issued 2015-03 ko
dc.identifier.citation PHYSICAL REVIEW LETTERS, v.114, no.11, pp.1 - 6 ko
dc.identifier.issn 0031-9007 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/11289 -
dc.description.abstract In graphene growth, island symmetry can become lower than the intrinsic symmetries of both graphene and the substrate. First-principles calculations and Monte Carlo modeling explain the shapes observed in our experiments and earlier studies for various metal surface symmetries. For equilibrium shape, edge energy variations δE manifest in distorted hexagons with different ground-state edge structures. In growth or nucleation, energy variation enters exponentially as ∼eδE/kBT, strongly amplifying the symmetry breaking, up to completely changing the shapes to triangular, ribbonlike, or rhombic. © 2015 American Physical Society ko
dc.description.statementofresponsibility open -
dc.language 영어 ko
dc.publisher AMER PHYSICAL SOC ko
dc.title Breaking of symmetry in graphene growth on metal substrates ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84925874043 ko
dc.identifier.wosid 000351181600007 ko
dc.type.rims ART ko
dc.description.wostc 1 *
dc.description.scopustc 2 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-11-04 *
dc.identifier.doi 10.1103/PhysRevLett.114.115502 ko
dc.identifier.url http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.114.115502 ko
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