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Article: Quantum mechanical understanding of field dependence of the apex barrier of a single-wall carbon nanotube

TitleQuantum mechanical understanding of field dependence of the apex barrier of a single-wall carbon nanotube
Authors
Peng, JLi, ZHe, CDeng, SXu, NZheng, XChen, G
KeywordsPhysics
Issue Date2005
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter and Materials Physics), 2005, v. 72 n. 23, article no. 235106 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.72.235106
AbstractThe potential barrier at the apex of a single-wall carbon nanotube emitter is found to be strongly and nonlinearly dependent on the external applied field, due to a quantum mechanical mechanism instead of the correction of image potential in Fowler-Nordheim theory. The field enhancement factor depends on the applied field and is much smaller than that predicted by the classical theory. The field induced apex-vacuum barrier lowering is confirmed to be the essential mechanism for efficient field electron emission from capped carbon nanotubes. © 2005 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/44609
ISSN
1098-0121
2014 Impact Factor: 3.736
ISI Accession Number ID
WOS:000234336000035
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorPeng, Jen_HK
dc.contributor.authorLi, Zen_HK
dc.contributor.authorHe, Cen_HK
dc.contributor.authorDeng, Sen_HK
dc.contributor.authorXu, Nen_HK
dc.contributor.authorZheng, Xen_HK
dc.contributor.authorChen, Gen_HK
dc.date.accessioned2007-10-30T06:05:40Z-
dc.date.available2007-10-30T06:05:40Z-
dc.date.issued2005en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2005, v. 72 n. 23, article no. 235106-
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/44609-
dc.description.abstractThe potential barrier at the apex of a single-wall carbon nanotube emitter is found to be strongly and nonlinearly dependent on the external applied field, due to a quantum mechanical mechanism instead of the correction of image potential in Fowler-Nordheim theory. The field enhancement factor depends on the applied field and is much smaller than that predicted by the classical theory. The field induced apex-vacuum barrier lowering is confirmed to be the essential mechanism for efficient field electron emission from capped carbon nanotubes. © 2005 The American Physical Society.en_HK
dc.format.extent506823 bytes-
dc.format.extent2671 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypetext/plain-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B (Condensed Matter and Materials Physics)-
dc.rightsCopyright 2005 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.72.235106-
dc.subjectPhysicsen_HK
dc.titleQuantum mechanical understanding of field dependence of the apex barrier of a single-wall carbon nanotubeen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=72&issue=23&spage=235106:1&epage=8&date=2005&atitle=Quantum+mechanical+understanding+of+field+dependence+of+the+apex+barrier+of+a+single-wall+carbon+nanotubeen_HK
dc.identifier.emailChen, G:ghc@yangtze.hku.hken_HK
dc.identifier.authorityChen, G=rp00671en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.72.235106en_HK
dc.identifier.scopuseid_2-s2.0-29744444443en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-29744444443&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume72en_HK
dc.identifier.issue23en_HK
dc.identifier.spagearticle no. 235106-
dc.identifier.epagearticle no. 235106-
dc.identifier.isiWOS:000234336000035-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridPeng, J=35085303300en_HK
dc.identifier.scopusauthoridLi, Z=7409073872en_HK
dc.identifier.scopusauthoridHe, C=16241724900en_HK
dc.identifier.scopusauthoridDeng, S=7202438078en_HK
dc.identifier.scopusauthoridXu, N=7202694661en_HK
dc.identifier.scopusauthoridZheng, X=7404090981en_HK
dc.identifier.scopusauthoridChen, G=35253368600en_HK
dc.identifier.issnl1098-0121-

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