Conductivity and atomic structure of isolated multiwalled carbon nanotubes
- 1 July 1998
- journal article
- Published by IOP Publishing in Europhysics Letters
- Vol. 43 (1) , 89-94
- https://doi.org/10.1209/epl/i1998-00324-1
Abstract
We report associated high resolution transmission electron microscopy (HRTEM) and transport measurements on a series of isolated multiwalled carbon nanotubes. HRTEM observations, by revealing relevant structural features of the tubes, shed some light on the variety of observed transport behaviors, from semiconducting to quasi-metallic type. Non Ohmic behavior is observed for certain samples which exhibit "bamboo like" structural defects. The resistance of the most conducting sample, measured down to 20 mK, exhibits a pronounced maximum at 0.6 K and strong positive magnetoresistance.Keywords
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