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Multiwall carbon nanotubes as quantum dots.

Buitelaar, MR; Bachtold, A; Nussbaumer, T; Iqbal, M; Schönenberger, C; (2002) Multiwall carbon nanotubes as quantum dots. Physical Review Letters , 88 (15) , Article 156801. 10.1103/PhysRevLett.88.156801. Green open access


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We have measured the differential conductance of individual multiwall carbon nanotubes. Coulomb blockade and energy level quantization are observed. The electron levels are nearly fourfold degenerate (including spin) and their evolution in magnetic field (Zeeman splitting) agrees with a g factor of 2. In zero magnetic field the sequential filling of states evolves with spin S according to S = 0-->1/2-->0.... A Kondo enhancement of the conductance is observed when the number of electrons on the tube is odd.

Type: Article
Title: Multiwall carbon nanotubes as quantum dots.
Location: US
Open access status: An open access version is available from UCL Discovery
DOI: 10.1103/PhysRevLett.88.156801
Publisher version: http://dx.doi.org/10.1103/PhysRevLett.88.156801
Language: English
Additional information: © 2002 The American Physical Society
URI: http://discovery.ucl.ac.uk/id/eprint/1366971
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