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Article: Measurements on quantum capacitance of individual single walled carbon nanotubes
Title | Measurements on quantum capacitance of individual single walled carbon nanotubes | ||||
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Authors | |||||
Keywords | Capacitance Energy gap Semiconductor quantum wires Single-walled carbon nanotubes (SWCN) Band gaps | ||||
Issue Date | 2009 | ||||
Publisher | American Institute of Physics. The Journal's web site is located at http://apl.aip.org/ | ||||
Citation | Applied Physics Letters, 2009, v. 94 n. 9, article no. 093114 How to Cite? | ||||
Abstract | We report measurements of the quantum capacitance of individual semiconducting and small band gap single walled carbon nanotubes (SWNTs). The observed quantum capacitance, 82 aF/μm for a semiconducting SWNT with chiral index (16,8) and 10.3 aF/μm for a small band gap SWNT upon Fermi level lying at the first subband are remarkably smaller than those originating from the density of states. We attribute the discrepancy to a strong electron correlation in SWNTs and derive the Luttinger parameter g of 0.25-0.3 for the (16,8) SWNT and of 0.32 for a small band gap SWNT. © 2009 American Institute of Physics. | ||||
Persistent Identifier | http://hdl.handle.net/10722/59600 | ||||
ISSN | 2023 Impact Factor: 3.5 2023 SCImago Journal Rankings: 0.976 | ||||
ISI Accession Number ID |
Funding Information: We thank Guanhua Chen, Jian Wang, and Liwei Chen for helpful discussion. The work was supported by Hong Kong GRF under Grant No. HKU 701909. | ||||
References |
DC Field | Value | Language |
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dc.contributor.author | Dai, J | en_HK |
dc.contributor.author | Li, J | en_HK |
dc.contributor.author | Zeng, H | en_HK |
dc.contributor.author | Cui, X | en_HK |
dc.date.accessioned | 2010-05-31T03:53:34Z | - |
dc.date.available | 2010-05-31T03:53:34Z | - |
dc.date.issued | 2009 | en_HK |
dc.identifier.citation | Applied Physics Letters, 2009, v. 94 n. 9, article no. 093114 | - |
dc.identifier.issn | 0003-6951 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/59600 | - |
dc.description.abstract | We report measurements of the quantum capacitance of individual semiconducting and small band gap single walled carbon nanotubes (SWNTs). The observed quantum capacitance, 82 aF/μm for a semiconducting SWNT with chiral index (16,8) and 10.3 aF/μm for a small band gap SWNT upon Fermi level lying at the first subband are remarkably smaller than those originating from the density of states. We attribute the discrepancy to a strong electron correlation in SWNTs and derive the Luttinger parameter g of 0.25-0.3 for the (16,8) SWNT and of 0.32 for a small band gap SWNT. © 2009 American Institute of Physics. | en_HK |
dc.language | eng | en_HK |
dc.publisher | American Institute of Physics. The Journal's web site is located at http://apl.aip.org/ | en_HK |
dc.relation.ispartof | Applied Physics Letters | en_HK |
dc.rights | Copyright 2009 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Applied Physics Letters, 2009, v. 94 n. 9, article no. 093114 and may be found at https://doi.org/10.1063/1.3093443 | - |
dc.subject | Capacitance | - |
dc.subject | Energy gap | - |
dc.subject | Semiconductor quantum wires | - |
dc.subject | Single-walled carbon nanotubes (SWCN) | - |
dc.subject | Band gaps | - |
dc.title | Measurements on quantum capacitance of individual single walled carbon nanotubes | en_HK |
dc.type | Article | en_HK |
dc.identifier.openurl | http://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0003-6951&volume=94&issue=9 , article no. 093114&spage=&epage=&date=2009&atitle=Measurements+on+quantum+capacitance+of+individual+single+walled+carbon+nanotubes | en_HK |
dc.identifier.email | Cui, X: xdcui@hku.hk | en_HK |
dc.identifier.authority | Cui, X=rp00689 | en_HK |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1063/1.3093443 | en_HK |
dc.identifier.scopus | eid_2-s2.0-62149103252 | en_HK |
dc.identifier.hkuros | 161492 | en_HK |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-62149103252&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 94 | en_HK |
dc.identifier.issue | 9 | en_HK |
dc.identifier.spage | article no. 093114 | - |
dc.identifier.epage | article no. 093114 | - |
dc.identifier.eissn | 1077-3118 | - |
dc.identifier.isi | WOS:000264523100074 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Dai, J=36722538500 | en_HK |
dc.identifier.scopusauthorid | Li, J=8262685700 | en_HK |
dc.identifier.scopusauthorid | Zeng, H=24466915800 | en_HK |
dc.identifier.scopusauthorid | Cui, X=10839907500 | en_HK |
dc.identifier.citeulike | 7020394 | - |
dc.identifier.issnl | 0003-6951 | - |