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Direct Observation of Mode Selective Electron−Phonon Coupling in Suspended Carbon Nanotubes

Bushmaker, Adam W. and Deshpande, Vikram V. and Bockrath, Marc W. and Cronin, Stephen B. (2007) Direct Observation of Mode Selective Electron−Phonon Coupling in Suspended Carbon Nanotubes. Nano Letters, 7 (12). pp. 3618-3622. ISSN 1530-6984. doi:10.1021/nl071840f. https://resolver.caltech.edu/CaltechAUTHORS:20170807-071416501

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Abstract

Raman spectra of individual pristine suspended single-walled carbon nanotubes are observed under high electrical bias. The LO and TO modes of the G band behave differently with respect to voltage bias, indicating preferential electron−phonon coupling and nonequilibrium phonon populations, which cause negative differential conductance in suspended devices. By correlating the electron resistivity to the optically measured phonon population, the data are fit using a Landauer model to determine the key scattering parameters.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1021/nl071840fDOIArticle
http://pubs.acs.org/doi/abs/10.1021/nl071840fPublisherArticle
Additional Information:© 2007 American Chemical Society. Received 27 July 2007. Published online 20 November 2007. Published in print 1 December 2007. This research was supported in part by DOE Award No. DE-FG02-07ER46376, the James H. Zumberge Fund, the Powell Foundation, and the National Science Foundation Graduate Research Fellowship Program.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-FG02-07ER46376
James H. Zumberge FundUNSPECIFIED
Charles Lee Powell FoundationUNSPECIFIED
NSF Graduate Research FellowshipUNSPECIFIED
Issue or Number:12
DOI:10.1021/nl071840f
Record Number:CaltechAUTHORS:20170807-071416501
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20170807-071416501
Official Citation:Direct Observation of Mode Selective Electron−Phonon Coupling in Suspended Carbon Nanotubes Adam W. Bushmaker, Vikram V. Deshpande, Marc W. Bockrath, and Stephen B. Cronin Nano Letters 2007 7 (12), 3618-3622 DOI: 10.1021/nl071840f
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:79831
Collection:CaltechAUTHORS
Deposited By: Ruth Sustaita
Deposited On:07 Aug 2017 18:00
Last Modified:15 Nov 2021 17:50

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