Synthesis and Characterization of MoS2/WS2 Heterostructures by Second Harmonic Generation

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dc.contributor.authorVianna P.G.
dc.contributor.authorHamza Safeer S.
dc.contributor.authorOre A.S.M.V.
dc.contributor.authorGordo V.O.
dc.contributor.authorCarvalho I.C.S.
dc.contributor.authorCarozo V.
dc.contributor.authorDe Matos C.J.S.
dc.date.accessioned2024-03-12T23:51:38Z
dc.date.available2024-03-12T23:51:38Z
dc.date.issued2019
dc.description.abstract© 2019 IEEE.Monolayers of MoS2 and WS2, as well as their vertical heterostructures, were synthesized via chemical vapor deposition. The samples were then characterized via microRaman and micro-photoluminescence spectroscopies, and by second harmonic generation (SHG). SHG confirms that the layers in bilayers and heterostructures grow with ~0o (or ~60o) relative twist angle. Interestingly, SHG is observed in MoS2 bilayers, indicating a deviation from the centrosymmetric 2H phase.
dc.identifier.doi10.1109/SBFoton-IOPC.2019.8910214
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/35186
dc.relation.ispartof2019 SBFoton International Optics and Photonics Conference, SBFoton IOPC 2019
dc.rightsAcesso Restrito
dc.subject.otherlanguage2D materials
dc.subject.otherlanguagenonlinear optics
dc.subject.otherlanguagesecond harmonic generation
dc.subject.otherlanguagetransition metal dichalcogenides
dc.subject.otherlanguageVan der Waals heterostructures
dc.titleSynthesis and Characterization of MoS2/WS2 Heterostructures by Second Harmonic Generation
dc.typeArtigo de evento
local.scopus.citations0
local.scopus.eid2-s2.0-85076427807
local.scopus.subjectBi-layer
local.scopus.subjectCentrosymmetric
local.scopus.subjectMicro-Raman
local.scopus.subjectMicrophotoluminescence spectroscopy
local.scopus.subjectSynthesis and characterizations
local.scopus.subjectTransition metal dichalcogenides
local.scopus.subjectTwist angles
local.scopus.subjectVan der waals
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85076427807&origin=inward
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