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Article: Defect Structure of Localized Excitons in a WSe2 Monolayer

TitleDefect Structure of Localized Excitons in a WSe2 Monolayer
Authors
Issue Date2017
Citation
Physical Review Letters, 2017, v. 119, n. 4, article no. 046101 How to Cite?
AbstractThe atomic and electronic structure of intrinsic defects in a WSe2 monolayer grown on graphite was revealed by low temperature scanning tunneling microscopy and spectroscopy. Instead of chalcogen vacancies that prevail in other transition metal dichalcogenide materials, intrinsic defects in WSe2 arise surprisingly from single tungsten vacancies, leading to the hole (p-type) doping. Furthermore, we found these defects to dominate the excitonic emission of the WSe2 monolayer at low temperature. Our work provided the first atomic-scale understanding of defect excitons and paved the way toward deciphering the defect structure of single quantum emitters previously discovered in the WSe2 monolayer.
Persistent Identifierhttp://hdl.handle.net/10722/298219
ISSN
2023 Impact Factor: 8.1
2023 SCImago Journal Rankings: 3.040
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, Shuai-
dc.contributor.authorWang, Chen Guang-
dc.contributor.authorLi, Ming Yang-
dc.contributor.authorHuang, Di-
dc.contributor.authorLi, Lain Jong-
dc.contributor.authorJi, Wei-
dc.contributor.authorWu, Shiwei-
dc.date.accessioned2021-04-08T03:07:56Z-
dc.date.available2021-04-08T03:07:56Z-
dc.date.issued2017-
dc.identifier.citationPhysical Review Letters, 2017, v. 119, n. 4, article no. 046101-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/298219-
dc.description.abstractThe atomic and electronic structure of intrinsic defects in a WSe2 monolayer grown on graphite was revealed by low temperature scanning tunneling microscopy and spectroscopy. Instead of chalcogen vacancies that prevail in other transition metal dichalcogenide materials, intrinsic defects in WSe2 arise surprisingly from single tungsten vacancies, leading to the hole (p-type) doping. Furthermore, we found these defects to dominate the excitonic emission of the WSe2 monolayer at low temperature. Our work provided the first atomic-scale understanding of defect excitons and paved the way toward deciphering the defect structure of single quantum emitters previously discovered in the WSe2 monolayer.-
dc.languageeng-
dc.relation.ispartofPhysical Review Letters-
dc.titleDefect Structure of Localized Excitons in a WSe2 Monolayer-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.119.046101-
dc.identifier.pmid29341769-
dc.identifier.scopuseid_2-s2.0-85026449704-
dc.identifier.volume119-
dc.identifier.issue4-
dc.identifier.spagearticle no. 046101-
dc.identifier.epagearticle no. 046101-
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000406328300013-
dc.identifier.issnl0031-9007-

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