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Park, Noejung
Computational Physics & Electronic Structure Lab
Research Interests
  • Electronic structure calculation, computational physics, computational material science

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Single Crystalline Film of Hexagonal Boron Nitride Atomic Monolayer by Controlling Nucleation Seeds and Domains

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dc.contributor.author Wu, Qinke ko
dc.contributor.author Park, Ji-Hoon ko
dc.contributor.author Park, Sangwoo ko
dc.contributor.author Jung, Seong Jun ko
dc.contributor.author Suh, Hwansoo ko
dc.contributor.author Park, Noejung ko
dc.contributor.author Wongwiriyapan, Winadda ko
dc.contributor.author Lee, Sungjoo ko
dc.contributor.author Lee, Young Hee ko
dc.contributor.author Song, Young Jae ko
dc.date.available 2016-01-12T05:58:40Z -
dc.date.created 2015-12-31 ko
dc.date.issued 2015-11 ko
dc.identifier.citation SCIENTIFIC REPORTS, v.5, pp.16159 ko
dc.identifier.issn 2045-2322 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/18118 -
dc.description.abstract A monolayer hexagonal boron nitride (h-BN) film with controllable domain morphology and domain size (varying from less than 1 mu m to more than 100 mu m) with uniform crystalline orientation was successfully synthesized by chemical vapor deposition (CVD). The key for this extremely large single crystalline domain size of a h-BN monolayer is a decrease in the density of nucleation seeds by increasing the hydrogen gas flow during the h-BN growth. Moreover, the well-defined shape of h-BN flakes can be selectively grown by controlling Cu-annealing time under argon atmosphere prior to h-BN growth, which provides the h-BN shape varies in triangular, trapezoidal, hexagonal and complex shapes. The uniform crystalline orientation of h-BN from different nucleation seeds can be easily confirmed by polarized optical microscopy (POM) with a liquid crystal coating. Furthermore, seamlessly merged h-BN flakes without structural domain boundaries were evidence by a selective hydrogen etching after a full coverage of a h-BN film was achieved. This seamless large-area and atomic monolayer of single crystalline h-BN film can offer as an ideal and practical template of graphene-based devices or alternative two-dimensional materials for industrial applications with scalability. ko
dc.description.statementofresponsibility close -
dc.language 영어 ko
dc.publisher NATURE PUBLISHING GROUP ko
dc.title Single Crystalline Film of Hexagonal Boron Nitride Atomic Monolayer by Controlling Nucleation Seeds and Domains ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-84946615293 ko
dc.identifier.wosid 000364135300001 ko
dc.type.rims ART ko
dc.description.wostc 0 *
dc.description.scopustc 0 *
dc.date.tcdate 2015-12-28 *
dc.date.scptcdate 2015-12-28 *
dc.identifier.doi 10.1038/srep16159 ko
dc.identifier.url http://www.nature.com/articles/srep16159 ko
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