TITLE

Coulomb blockade in multiwalled carbon nanotube island with nanotube leads

AUTHOR(S)
Yoneya, Nobuhide; Watanabe, Eiichirou; Tsukagoshi, Kazuhito; Aoyagi, Yoshinobu
PUB. DATE
September 2001
SOURCE
Applied Physics Letters;9/3/2001, Vol. 79 Issue 10
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We propose and demonstrate a technique to form an ultrasmall island for a single-electron transistor in a multiwalled carbon nanotube (MWNT). The two small areas in the MWNT connected to electrodes were etched in oxygen plasma, resulting in the cutting of the MWNT into three pieces. An island and two leads connected the island through the tunneling barriers were made of the MWNT. In this device, we observed the Coulomb blockade effect at 4.5 K, and the estimated charging energy was 38 meV. This result is an essential step for the use of carbon nanotubes in nanoscale electronics circuits. © 2001 American Institute of Physics.
ACCESSION #
5072624

 

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