Carbon nanotube electronic displacement encoder with sub-nanometer resolution

H. Jiang*, M. F. Yu, J. Q. Lu, Y. Huang, H. T. Johnson, X. G. Zhang, P. Ferreira

*Corresponding author for this work

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Electric conductance of a telescope double-walled carbon nanotube oscillates as a function of telescoping distance. The period of such oscillation is one half of the lattice constant of graphene, a/2 = 0.123 nm, instead of the lattice constant a as expected. The halving of the period results from the combination of the periodic interlayer lattice alignment and the occurrence of antiresonance. When combined with the periodicity in the energy space at a fixed displacement, the telescopic displacement can be reliably and accurately determined to the sub-nanometer resolution. This effect can be used to design an electronic displacement encoder.

Original languageEnglish (US)
Pages (from-to)574-577
Number of pages4
JournalJournal of Computational and Theoretical Nanoscience
Volume4
Issue number3
DOIs
StatePublished - Jan 1 2007

Fingerprint

Carbon Nanotubes
coders
Encoder
Nanotubes
Lattice constants
Carbon nanotubes
Carbon
Electric conductance
carbon nanotubes
Electronics
Graphite
electronics
Telescopes
Graphene
Conductance
Periodicity
Telescope
periodic variations
interlayers
graphene

Keywords

  • Carbon nanotube encoder
  • Interlayer tunneling
  • Nanometrology

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Computational Mathematics
  • Electrical and Electronic Engineering

Cite this

Jiang, H. ; Yu, M. F. ; Lu, J. Q. ; Huang, Y. ; Johnson, H. T. ; Zhang, X. G. ; Ferreira, P. / Carbon nanotube electronic displacement encoder with sub-nanometer resolution. In: Journal of Computational and Theoretical Nanoscience. 2007 ; Vol. 4, No. 3. pp. 574-577.
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Carbon nanotube electronic displacement encoder with sub-nanometer resolution. / Jiang, H.; Yu, M. F.; Lu, J. Q.; Huang, Y.; Johnson, H. T.; Zhang, X. G.; Ferreira, P.

In: Journal of Computational and Theoretical Nanoscience, Vol. 4, No. 3, 01.01.2007, p. 574-577.

Research output: Contribution to journalArticle

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T1 - Carbon nanotube electronic displacement encoder with sub-nanometer resolution

AU - Jiang, H.

AU - Yu, M. F.

AU - Lu, J. Q.

AU - Huang, Y.

AU - Johnson, H. T.

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AU - Ferreira, P.

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AB - Electric conductance of a telescope double-walled carbon nanotube oscillates as a function of telescoping distance. The period of such oscillation is one half of the lattice constant of graphene, a/2 = 0.123 nm, instead of the lattice constant a as expected. The halving of the period results from the combination of the periodic interlayer lattice alignment and the occurrence of antiresonance. When combined with the periodicity in the energy space at a fixed displacement, the telescopic displacement can be reliably and accurately determined to the sub-nanometer resolution. This effect can be used to design an electronic displacement encoder.

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