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Article: Plasmons and screening in monolayer and multilayer black phosphorus

TitlePlasmons and screening in monolayer and multilayer black phosphorus
Authors
Issue Date2014
Citation
Physical Review Letters, 2014, v. 113, n. 10, article no. 106802 How to Cite?
AbstractBlack phosphorus exhibits a high degree of band anisotropy. However, we find that its in-plane static screening remains relatively isotropic for momenta relevant to elastic long-range scattering processes. On the other hand, the collective electronic excitations in the system exhibit a strong anisotropy. Band nonparabolicity, due to interband couplings, leads to a plasmon frequency which scales as nβ, where n is the carrier concentration, and β<12. Screening and charge distribution in the out-of-plane direction are also studied using a nonlinear Thomas-Fermi model.
Persistent Identifierhttp://hdl.handle.net/10722/335244
ISSN
2023 Impact Factor: 8.1
2023 SCImago Journal Rankings: 3.040
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLow, Tony-
dc.contributor.authorRoldán, Rafael-
dc.contributor.authorWang, Han-
dc.contributor.authorXia, Fengnian-
dc.contributor.authorAvouris, Phaedon-
dc.contributor.authorMoreno, Luis Martín-
dc.contributor.authorGuinea, Francisco-
dc.date.accessioned2023-11-17T08:24:14Z-
dc.date.available2023-11-17T08:24:14Z-
dc.date.issued2014-
dc.identifier.citationPhysical Review Letters, 2014, v. 113, n. 10, article no. 106802-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10722/335244-
dc.description.abstractBlack phosphorus exhibits a high degree of band anisotropy. However, we find that its in-plane static screening remains relatively isotropic for momenta relevant to elastic long-range scattering processes. On the other hand, the collective electronic excitations in the system exhibit a strong anisotropy. Band nonparabolicity, due to interband couplings, leads to a plasmon frequency which scales as nβ, where n is the carrier concentration, and β<12. Screening and charge distribution in the out-of-plane direction are also studied using a nonlinear Thomas-Fermi model.-
dc.languageeng-
dc.relation.ispartofPhysical Review Letters-
dc.titlePlasmons and screening in monolayer and multilayer black phosphorus-
dc.typeArticle-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevLett.113.106802-
dc.identifier.scopuseid_2-s2.0-84908242519-
dc.identifier.volume113-
dc.identifier.issue10-
dc.identifier.spagearticle no. 106802-
dc.identifier.epagearticle no. 106802-
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000341267800015-

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