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Article: Rapid, all-optical crystal orientation imaging of two-dimensional transition metal dichalcogenide monolayers

TitleRapid, all-optical crystal orientation imaging of two-dimensional transition metal dichalcogenide monolayers
Authors
Issue Date2015
PublisherAIP Publishing LLC. The Journal's web site is located at http://apl.aip.org/
Citation
Applied Physics Letters, 2015, v. 107 n. 11, article no. 111902 How to Cite?
Abstract© 2015 AIP Publishing LLC. Two-dimensional (2D) atomic materials such as graphene and transition metal dichalcogenides (TMDCs) have attracted significant research and industrial interest for their electronic, optical, mechanical, and thermal properties. While large-area crystal growth techniques such as chemical vapor deposition have been demonstrated, the presence of grain boundaries and orientation of grains arising in such growths substantially affect the physical properties of the materials. There is currently no scalable characterization method for determining these boundaries and orientations over a large sample area. We here present a second-harmonic generation based microscopy technique for rapidly mapping grain orientations and boundaries of 2D TMDCs. We experimentally demonstrate the capability to map large samples to an angular resolution of ±1° with minimal sample preparation and without involved analysis. A direct comparison of the all-optical grain orientation maps against results obtained by diffraction-filtered dark-field transmission electron microscopy plus selected-area electron diffraction on identical TMDC samples is provided. This rapid and accurate tool should enable large-area characterization of TMDC samples for expedited studies of grain boundary effects and the efficient characterization of industrial-scale production techniques.
Persistent Identifierhttp://hdl.handle.net/10722/256736
ISSN
2017 Impact Factor: 3.495
2015 SCImago Journal Rankings: 1.105
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorDavid, Sabrina N.-
dc.contributor.authorZhai, Yao-
dc.contributor.authorVan Der Zande, Arend M.-
dc.contributor.authorO'Brien, Kevin-
dc.contributor.authorHuang, Pinshane Y.-
dc.contributor.authorChenet, Daniel A.-
dc.contributor.authorHone, James C.-
dc.contributor.authorZhang, Xiang-
dc.contributor.authorYin, Xiaobo-
dc.date.accessioned2018-07-24T08:57:46Z-
dc.date.available2018-07-24T08:57:46Z-
dc.date.issued2015-
dc.identifier.citationApplied Physics Letters, 2015, v. 107 n. 11, article no. 111902-
dc.identifier.issn0003-6951-
dc.identifier.urihttp://hdl.handle.net/10722/256736-
dc.description.abstract© 2015 AIP Publishing LLC. Two-dimensional (2D) atomic materials such as graphene and transition metal dichalcogenides (TMDCs) have attracted significant research and industrial interest for their electronic, optical, mechanical, and thermal properties. While large-area crystal growth techniques such as chemical vapor deposition have been demonstrated, the presence of grain boundaries and orientation of grains arising in such growths substantially affect the physical properties of the materials. There is currently no scalable characterization method for determining these boundaries and orientations over a large sample area. We here present a second-harmonic generation based microscopy technique for rapidly mapping grain orientations and boundaries of 2D TMDCs. We experimentally demonstrate the capability to map large samples to an angular resolution of ±1° with minimal sample preparation and without involved analysis. A direct comparison of the all-optical grain orientation maps against results obtained by diffraction-filtered dark-field transmission electron microscopy plus selected-area electron diffraction on identical TMDC samples is provided. This rapid and accurate tool should enable large-area characterization of TMDC samples for expedited studies of grain boundary effects and the efficient characterization of industrial-scale production techniques.-
dc.languageeng-
dc.publisherAIP Publishing LLC. The Journal's web site is located at http://apl.aip.org/-
dc.relation.ispartofApplied Physics Letters-
dc.titleRapid, all-optical crystal orientation imaging of two-dimensional transition metal dichalcogenide monolayers-
dc.typeArticle-
dc.description.natureLink_to_subscribed_fulltext-
dc.identifier.doi10.1063/1.4930232-
dc.identifier.scopuseid_2-s2.0-84941992340-
dc.identifier.volume107-
dc.identifier.issue11-
dc.identifier.spagearticle no. 111902-
dc.identifier.epagearticle no. 111902-
dc.identifier.isiWOS:000361639200018-

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