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dc.contributor.authorJO, MOON HO-
dc.contributor.authorPARK, MIN YOUNG-
dc.contributor.authorGUNHO, MOON-
dc.contributor.authorLEECHANGSOO-
dc.contributor.authorSoonyoung Cha-
dc.date.accessioned2021-06-01T06:00:35Z-
dc.date.available2021-06-01T06:00:35Z-
dc.date.created2021-02-26-
dc.date.issued2020-11-03-
dc.identifier.urihttps://oasis.postech.ac.kr/handle/2014.oak/105781-
dc.description.abstractTwo-dimensional (2D) transition-metal dichalcogenide (TMDC) semiconductors are the atomically thin platforms for a new type of photonics. Therein, atomic-scale deformations such as point defects and grain boundaries, often generate novel 2D physical properties. For example, single point defects in WSe2 and WS2 monolayers (MLs) serve as sources for single-photon emissions or electronic dopants, and mirror twin boundaries in MoSe2 MLs provide topologically protected edge-states. In order to exploit these local physical properties into practical device platforms, such atomic-scale deformations must be deterministically controlled in the 2D host lattices of TMDC MLs. Here, we report a simple process for the healing of chalcogen point vacancies on the synthetic ML WSe2 by metal-organic selenium passivation. We verified such atomic healing process from substantial reduction of the localized exciton states by low temperature photoluminescence. Our work suggests steps to realize the higher quality photonics with atomic precision.-
dc.publisherThe Korean Institute of Metals and Materials-
dc.relation.isPartOfENGE2020-
dc.titleAtomic Healing of Chalcogen Vacancies in Monolayer WSe2-
dc.typeConference-
dc.type.rimsCONF-
dc.identifier.bibliographicCitationENGE2020-
dc.citation.conferenceDate2020-11-01-
dc.citation.conferencePlaceKO-
dc.citation.titleENGE2020-
dc.contributor.affiliatedAuthorJO, MOON HO-
dc.contributor.affiliatedAuthorPARK, MIN YOUNG-
dc.contributor.affiliatedAuthorGUNHO, MOON-
dc.contributor.affiliatedAuthorLEECHANGSOO-
dc.description.journalClass1-
dc.description.journalClass1-

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조문호JO, MOON HO
Dept of Materials Science & Enginrg
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