Abstract
The electrical transport behavior of individual spiral multiwalled carbon nanotube (MWCNT), functionalized via chemical route, has been investigated. The electrical current and conductance of such dangling bond attached tube, has been increased, after deposition of platinum (Pt) metal contacts at the two ends using electron beam induced deposition technique (EBID). The increment in the conductance is explained in terms of the change in the density of the states (DOS) near the Fermi level by dangling bonds and Pt atoms presence on the tube. Scanning electron microscope (SEM) image confirms its spiral nature after functionalization. Current –voltage measurements reveal a significant enhancement in the electrical transport of the same tube after the deposition of side metal contact. These results can be useful for the fabrication of nanoelectronic devices.
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