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Article: Oscillatory thermopower of carbon chains: First-principles calculations

TitleOscillatory thermopower of carbon chains: First-principles calculations
Authors
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. 71 n. 23, p. 233406:1-4 How to Cite?
AbstractWe investigate the thermoelectric transport through carbon chains connected by two Al leads. Using a Landauer-Buttiker-like formula, we calculate the thermopower and thermoconductance of Al-Cn-Al from first principles. We find that the charge transfer plays an important role in the thermoelectric transport. Because of the charge transfer, the thermopower changes sign for even-odd number of carbon atoms. The thermopower and electric conductance as a function of the gate voltage also exhibit oscillatory behaviors with a phase difference of pi/2.
Persistent Identifierhttp://hdl.handle.net/10722/43478
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorWang, Ben_HK
dc.contributor.authorXing, YXen_HK
dc.contributor.authorWan, LHen_HK
dc.contributor.authorWei, YDen_HK
dc.contributor.authorWang, Jen_HK
dc.date.accessioned2007-03-23T04:46:28Z-
dc.date.available2007-03-23T04:46:28Z-
dc.date.issued2005en_HK
dc.identifier.citationPhysical Review B (Condensed Matter and Materials Physics), 2005, v. 71 n. 23, p. 233406:1-4en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43478-
dc.description.abstractWe investigate the thermoelectric transport through carbon chains connected by two Al leads. Using a Landauer-Buttiker-like formula, we calculate the thermopower and thermoconductance of Al-Cn-Al from first principles. We find that the charge transfer plays an important role in the thermoelectric transport. Because of the charge transfer, the thermopower changes sign for even-odd number of carbon atoms. The thermopower and electric conductance as a function of the gate voltage also exhibit oscillatory behaviors with a phase difference of pi/2.en_HK
dc.format.extent284960 bytes-
dc.format.extent25600 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleOscillatory thermopower of carbon chains: First-principles calculationsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=71&issue=23&spage=233406:1&epage=4&date=2005&atitle=Oscillatory+thermopower+of+carbon+chains:+First-principles+calculationsen_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.71.233406en_HK
dc.identifier.scopuseid_2-s2.0-28344455612-
dc.identifier.hkuros98588-
dc.identifier.isiWOS:000230276800023-
dc.identifier.citeulike4270005-

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