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Cited by 411

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Tuning the conductance of single-walled carbon nanotubes by ion irradiation in the Anderson localization regime

Open access
Gómez-Navarro, C., Pablo, P. J. De, Gómez-Herrero, J., Biel, B., Garcia-Vidal, F. J., Rubio, A., Flores, F.·2005·Nature Materials

Abstract

Carbon nanotubes1,2 are a good realization of one-dimensional crystals where basic science and potential nanodevice applications merge3. Defects are known to modify the electrical resistance of carbon nanotubes4; they can be present in as-grown carbon nanotubes, but controlling their density externally opens a path towards the tuning of the electronic characteristics of the nanotube. In this work, consecutive Ar+ irradiation doses are applied to single-walled nanotubes (SWNTs) producing a uniform density of defects. After each dose, the room-temperature resistance versus SWNT length (R(L)) along the nanotube is measured. Our data show an exponential dependence of R(L) indicating that the system is within the strong Anderson localization regime. Theoretical simulations demonstrate that mainly di-vacancies contribute to the resistance increase induced by irradiation, and that just a 0.03% of di-vacancies produces an increase of three orders of magnitude in the resistance of a SWNT of 400 nm length.

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Metadata

Authors
Gómez-Navarro, C., Pablo, P. J. D., Gómez-Herrero, J., Biel, B., Garcia-Vidal, F. J., Rubio, A., & Flores, F.
Venue
Nature Materials
Published
2005-06-19
Volume
4
Issue
7
Pages
534-539
ISSN
  • 1476-1122 (ISSN-L)
  • 1476-4660
OpenAlex
W1987366401
Cited by
411
References
28
FWCI
19.75
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Tuning the conductance of single-walled carbon nanotubes by ion irradiation in the Anderson localization regime. https://app.cochat.ai/papers/10.1038/nmat1414
The paper
Gómez-Navarro, C., Pablo, P. J. D., Gómez-Herrero, J., Biel, B., Garcia-Vidal, F. J., Rubio, A., & Flores, F. (2005). Tuning the conductance of single-walled carbon nanotubes by ion irradiation in the Anderson localization regime. Nature Materials. https://doi.org/10.1038/nmat1414

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