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Self-consistent dielectric constant determination or monolayer WSe2

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dc.contributor.authorSeong-Yeon Lee-
dc.contributor.authorTae-Young Jeong-
dc.contributor.authorJi-Hee Kim-
dc.contributor.authorSeokjoon Yun-
dc.contributor.authorKi-Ju Yee-
dc.date.available2019-01-03T05:32:47Z-
dc.date.created2018-10-15-
dc.date.issued2018-09-
dc.identifier.issn1094-4087-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/5191-
dc.description.abstractFrequency-dependent dielectric constant dispersion of monolayer WSe2, epsilon(omega) = epsilon(1)(omega) + i epsilon(2)(omega) , was obtained from simultaneously measured transmittance and reflectance spectra. Optical transitions of the trion as well as A-, B-, and C-excitons am clearly resolved in the epsilon(2) spectrum. A consistent Kramers-Kronig transformation between the epsilon(1) and epsilon(2) spectra support the validity of the applied analysis. It is found that the A- and B-exciton splitting in the case of the double-layer WSe2 can be attributed to the spin-orbit coupling, which is larger than that in the monolayer WSe2. In addition, the temperature-induced evolution of the A-exciton energy and its width are explained by model equations with electron-phonon interactions. © 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement-
dc.description.uri1-
dc.language영어-
dc.publisherOPTICAL SOC AMER-
dc.titleSelf-consistent dielectric constant determination or monolayer WSe2-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000443431400060-
dc.identifier.scopusid2-s2.0-85052671814-
dc.identifier.rimsid65401-
dc.contributor.affiliatedAuthorJi-Hee Kim-
dc.contributor.affiliatedAuthorSeokjoon Yun-
dc.identifier.doi10.1364/OE.26.023061-
dc.identifier.bibliographicCitationOPTICS EXPRESS, v.26, no.18, pp.23061 - 23068-
dc.citation.titleOPTICS EXPRESS-
dc.citation.volume26-
dc.citation.number18-
dc.citation.startPage23061-
dc.citation.endPage23068-
dc.embargo.liftdate9999-12-31-
dc.embargo.terms9999-12-31-
dc.description.journalClass1-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordPlusTRANSITION-METAL DICHALCOGENIDES-
dc.subject.keywordPlusLAYER MOS2-
dc.subject.keywordPlusSEMICONDUCTORS-
dc.subject.keywordPlusMONO-
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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