Near-equilibrium growth from borophene edges on silver

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dc.citation.articleNumbereaax0246en_US
dc.citation.issueNumber9en_US
dc.citation.journalTitleScience Advancesen_US
dc.citation.volumeNumber5en_US
dc.contributor.authorZhang, Zhuhuaen_US
dc.contributor.authorMannix, Andrew J.en_US
dc.contributor.authorLiu, Xiaolongen_US
dc.contributor.authorHu, Zhilien_US
dc.contributor.authorGuisinger, Nathan P.en_US
dc.contributor.authorHersam, Mark C.en_US
dc.contributor.authorYakobson, Boris I.en_US
dc.date.accessioned2019-10-23T14:49:57Zen_US
dc.date.available2019-10-23T14:49:57Zen_US
dc.date.issued2019en_US
dc.description.abstractTwo-dimensional boron, borophene, was realized in recent experiments but still lacks an adequate growth theory for guiding its controlled synthesis. Combining ab initio calculations and experimental characterization, we study edges and growth kinetics of borophene on Ag(111). In equilibrium, the borophene edges are distinctly reconstructed with exceptionally low energies, in contrast to those of other two-dimensional materials. Away from equilibrium, sequential docking of boron feeding species to the reconstructed edges tends to extend the given lattice out of numerous polymorphic structures. Furthermore, each edge can grow via multiple energy pathways of atomic row assembly due to variable boron-boron coordination. These pathways reveal different degrees of anisotropic growth kinetics, shaping borophene into diverse elongated hexagonal islands in agreement with experimental observations in terms of morphology as well as edge orientation and periodicity. These results further suggest that ultrathin borophene ribbons can be grown at low temperature and low boron chemical potential.en_US
dc.identifier.citationZhang, Zhuhua, Mannix, Andrew J., Liu, Xiaolong, et al.. "Near-equilibrium growth from borophene edges on silver." <i>Science Advances,</i> 5, no. 9 (2019) AAAS: https://doi.org/10.1126/sciadv.aax0246.en_US
dc.identifier.doihttps://doi.org/10.1126/sciadv.aax0246en_US
dc.identifier.urihttps://hdl.handle.net/1911/107491en_US
dc.language.isoengen_US
dc.publisherAAASen_US
dc.rightsDistributed under a Creative Commons Attribution NonCommercial License 4.0 (CC BY-NC).en_US
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/en_US
dc.titleNear-equilibrium growth from borophene edges on silveren_US
dc.typeJournal articleen_US
dc.type.dcmiTexten_US
dc.type.publicationpublisher versionen_US
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