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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
Zhang, FC1
Cui, X1
 
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
2013 Impact Factor: 7.728
 
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
2013 Impact Factor: 7.728
 
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