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Article: Observation of exciton-phonon sideband in individual metallic single-walled carbon nanotubes
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TitleObservation of exciton-phonon sideband in individual metallic single-walled carbon nanotubes
 
AuthorsZeng, H1
Zhao, H1 1
Zhang, FC1 1
Cui, X1 1
 
KeywordsBackscattering reflections
Chiral indices
Coulomb screenings
Dielectric constants
Electron phonons
 
Issue Date2009
 
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
 
CitationPhysical Review Letters, 2009, v. 102 n. 13 [How to Cite?]
DOI: http://dx.doi.org/10.1103/PhysRevLett.102.136406
 
AbstractSingle-walled carbon nanotubes (SWCNTs) are quasi-one-dimensional systems with poor Coulomb screening and enhanced electron-phonon interaction, and are good candidates for excitons and exciton-phonon couplings in metallic state. Here we report backscattering reflection experiments on individual metallic SWCNTs. An exciton-phonon sideband separated by 0.19 eV from the first optical transition peak is observed in a metallic SWCNT of chiral index (13,10), which provides clear evidences of excitons in metallic SWCNTs. A static dielectric constant of 10 is estimated from the reflectance spectrum. © 2009 The American Physical Society.
 
ISSN0031-9007
2012 Impact Factor: 7.943
2012 SCImago Journal Rankings: 4.537
 
DOIhttp://dx.doi.org/10.1103/PhysRevLett.102.136406
 
ISI Accession Number IDWOS:000264888600047
Funding AgencyGrant Number
Hong Kong GRFHKU701907P
HKU706707P
Funding Information:

This work is supported by Hong Kong GRF Grants No. HKU701907P and No. HKU706707P. Computational resource from HKU's HPC Facilities is acknowledged.

 
ReferencesReferences in Scopus
 
DC FieldValue
dc.contributor.authorZeng, H
 
dc.contributor.authorZhao, H
 
dc.contributor.authorZhang, FC
 
dc.contributor.authorCui, X
 
dc.date.accessioned2010-05-31T03:53:59Z
 
dc.date.available2010-05-31T03:53:59Z
 
dc.date.issued2009
 
dc.description.abstractSingle-walled carbon nanotubes (SWCNTs) are quasi-one-dimensional systems with poor Coulomb screening and enhanced electron-phonon interaction, and are good candidates for excitons and exciton-phonon couplings in metallic state. Here we report backscattering reflection experiments on individual metallic SWCNTs. An exciton-phonon sideband separated by 0.19 eV from the first optical transition peak is observed in a metallic SWCNT of chiral index (13,10), which provides clear evidences of excitons in metallic SWCNTs. A static dielectric constant of 10 is estimated from the reflectance spectrum. © 2009 The American Physical Society.
 
dc.description.naturepublished_or_final_version
 
dc.identifier.citationPhysical Review Letters, 2009, v. 102 n. 13 [How to Cite?]
DOI: http://dx.doi.org/10.1103/PhysRevLett.102.136406
 
dc.identifier.doihttp://dx.doi.org/10.1103/PhysRevLett.102.136406
 
dc.identifier.eissn1079-7114
 
dc.identifier.hkuros161491
 
dc.identifier.isiWOS:000264888600047
Funding AgencyGrant Number
Hong Kong GRFHKU701907P
HKU706707P
Funding Information:

This work is supported by Hong Kong GRF Grants No. HKU701907P and No. HKU706707P. Computational resource from HKU's HPC Facilities is acknowledged.

 
dc.identifier.issn0031-9007
2012 Impact Factor: 7.943
2012 SCImago Journal Rankings: 4.537
 
dc.identifier.issue13
 
dc.identifier.openurl
 
dc.identifier.pmid19392381
 
dc.identifier.scopuseid_2-s2.0-64649107238
 
dc.identifier.urihttp://hdl.handle.net/10722/59622
 
dc.identifier.volume102
 
dc.languageeng
 
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
 
dc.publisher.placeUnited States
 
dc.relation.ispartofPhysical Review Letters
 
dc.relation.referencesReferences in Scopus
 
dc.rightsPhysical Review Letters. Copyright © American Physical Society.
 
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License
 
dc.subjectBackscattering reflections
 
dc.subjectChiral indices
 
dc.subjectCoulomb screenings
 
dc.subjectDielectric constants
 
dc.subjectElectron phonons
 
dc.titleObservation of exciton-phonon sideband in individual metallic single-walled carbon nanotubes
 
dc.typeArticle
 
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Author Affiliations
  1. The University of Hong Kong