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research article
Beyond the linearity of current-voltage characteristics in multiwalled carbon nanotubes
We present local and non-local electron transport measurements on individual multi-wall nanotubes for bias voltages between 0 and about 4 V. Local current–voltage characteristics are quite linear. In contrast, non-local measurements are highly nonlinear; the differential non-local conductance can even become negative in the high-bias regime. We discuss the relationship between these results and transport parameters such as the elastic length, the number of current carrying shells and the number of conducting modes.
Type
research article
Web of Science ID
WOS:000242622300005
Publication date
2006
Published in
Volume
21
Start page
S33
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
March 27, 2008
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