Document Detail


Charge transport and tunneling in single-walled carbon nanotube bundles.
MedLine Citation:
PMID:  19113646     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
We investigate experimentally the transport properties of single-walled carbon nanotube bundles as a function of temperature and applied current over broad intervals of these variables. The analysis is performed on arrays of nanotube bundles whose axes are aligned along the direction of the externally supplied bias current. The data are found consistent with a charge transport model governed by the tunneling between metallic regions occurring through potential barriers generated by a nanotube's contact areas or bundle surfaces. Based on this model and on experimental data, we describe quantitatively the dependencies of the height of these barriers upon bias current and temperature.
Authors:
M Salvato; M Cirillo; M Lucci; S Orlanducci; I Ottaviani; M L Terranova; F Toschi
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Publication Detail:
Type:  Journal Article     Date:  2008-12-09
Journal Detail:
Title:  Physical review letters     Volume:  101     ISSN:  0031-9007     ISO Abbreviation:  Phys. Rev. Lett.     Publication Date:  2008 Dec 
Date Detail:
Created Date:  2008-12-30     Completed Date:  2009-02-05     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401141     Medline TA:  Phys Rev Lett     Country:  United States    
Other Details:
Languages:  eng     Pagination:  246804     Citation Subset:  -    
Affiliation:
Dipartimento di Fisica, Università di Roma Tor Vergata, I-00133 Roma, Italy.
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