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Article: Interlayer valley excitons in heterobilayers of transition metal dichalcogenides

TitleInterlayer valley excitons in heterobilayers of transition metal dichalcogenides
Authors
Issue Date2018
PublisherNature Publishing Group.
Citation
Nature Nanotechnology, 2018, v. 13 n. 11, p. 1004-1015 How to Cite?
AbstractStacking different two-dimensional crystals into van der Waals heterostructures provides an exciting approach to designing quantum materials that can harness and extend the already fascinating properties of the constituents. Heterobilayers of transition metal dichalcogenides are particularly attractive for low-dimensional semiconductor optics because they host interlayer excitons with electrons and holes localized in different layers which inherit valley-contrasting physics from the monolayers and thereby possess various novel and appealing properties compared to other solid-state nanostructures. This Review presents the contemporary experimental and theoretical understanding of these interlayer excitons. We discuss their unique optical properties arising from the underlying valley physics, the strong many-body interactions and electrical control resulting from the electric dipole moment, and the unique effects of a moire superlattice on the interlayer exciton potential landscape and optical properties.
Persistent Identifierhttp://hdl.handle.net/10722/266100
ISSN
2017 Impact Factor: 37.49
2015 SCImago Journal Rankings: 19.832
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorRivera, P-
dc.contributor.authorYu, H-
dc.contributor.authorSeyler, KL-
dc.contributor.authorWilson, NP-
dc.contributor.authorYao, W-
dc.contributor.authorXu, XD-
dc.date.accessioned2018-12-17T02:16:47Z-
dc.date.available2018-12-17T02:16:47Z-
dc.date.issued2018-
dc.identifier.citationNature Nanotechnology, 2018, v. 13 n. 11, p. 1004-1015-
dc.identifier.issn1748-3387-
dc.identifier.urihttp://hdl.handle.net/10722/266100-
dc.description.abstractStacking different two-dimensional crystals into van der Waals heterostructures provides an exciting approach to designing quantum materials that can harness and extend the already fascinating properties of the constituents. Heterobilayers of transition metal dichalcogenides are particularly attractive for low-dimensional semiconductor optics because they host interlayer excitons with electrons and holes localized in different layers which inherit valley-contrasting physics from the monolayers and thereby possess various novel and appealing properties compared to other solid-state nanostructures. This Review presents the contemporary experimental and theoretical understanding of these interlayer excitons. We discuss their unique optical properties arising from the underlying valley physics, the strong many-body interactions and electrical control resulting from the electric dipole moment, and the unique effects of a moire superlattice on the interlayer exciton potential landscape and optical properties.-
dc.languageeng-
dc.publisherNature Publishing Group.-
dc.relation.ispartofNature Nanotechnology-
dc.titleInterlayer valley excitons in heterobilayers of transition metal dichalcogenides-
dc.typeArticle-
dc.identifier.emailYu, H: yuhongyi@hku.hk-
dc.identifier.emailYao, W: wangyao@hku.hk-
dc.identifier.authorityYu, H=rp02112-
dc.identifier.authorityYao, W=rp00827-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1038/s41565-018-0193-0-
dc.identifier.scopuseid_2-s2.0-85052543174-
dc.identifier.hkuros296245-
dc.identifier.volume13-
dc.identifier.issue11-
dc.identifier.spage1004-
dc.identifier.epage1015-
dc.identifier.isiWOS:000449291700013-
dc.publisher.placeUnited Kingdom-

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