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Article: Observation of exciton-phonon sideband in individual metallic single-walled carbon nanotubes

TitleObservation of exciton-phonon sideband in individual metallic single-walled carbon nanotubes
Authors
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
Citation
Physical Review Letters, 2009, v. 102 n. 13 How to Cite?
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.
Persistent Identifierhttp://hdl.handle.net/10722/59622
ISSN
2014 Impact Factor: 7.512
2014 SCImago Journal Rankings: 4.402
ISI Accession Number ID
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.

References

 

DC FieldValueLanguage
dc.contributor.authorZeng, Hen_HK
dc.contributor.authorZhao, Hen_HK
dc.contributor.authorZhang, FCen_HK
dc.contributor.authorCui, Xen_HK
dc.date.accessioned2010-05-31T03:53:59Z-
dc.date.available2010-05-31T03:53:59Z-
dc.date.issued2009en_HK
dc.identifier.citationPhysical Review Letters, 2009, v. 102 n. 13en_HK
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/59622-
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.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_HK
dc.relation.ispartofPhysical Review Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review Letters. Copyright © American Physical Society.en_HK
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 nanotubesen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0031-9007&volume=102&issue=13, article no. 136406&spage=&epage=&date=2009&atitle=Observation+of+exciton-phonon+sideband+in+individual+metallic+single-walled+carbon+nanotubesen_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.emailCui, X: xdcui@hku.hken_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.identifier.authorityCui, X=rp00689en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevLett.102.136406en_HK
dc.identifier.pmid19392381-
dc.identifier.scopuseid_2-s2.0-64649107238en_HK
dc.identifier.hkuros161491en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-64649107238&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume102en_HK
dc.identifier.issue13en_HK
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000264888600047-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZeng, H=24466915800en_HK
dc.identifier.scopusauthoridZhao, H=26321266400en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK
dc.identifier.scopusauthoridCui, X=10839907500en_HK

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