Measurement of radial deformation of single-wall carbon nanotubes induced by intertube van der Waals forces

Y. Y. Jiang, W. Zhou, T. Kim, Yonggang Huang, J. M. Zuo

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

A cylindrical single-wall carbon nanotube (SWCNT) deforms in a nanotube bundle by van der Waals forces. The deformation is hard to measure, but is required in order to understand the properties of bundles. Here, we show that such deformations can be measured from changes in electron diffraction intensities. We demonstrate this for a bundle of two SWCNTs (d=2.05 and 1.56 nm). Deformation model predicted by atomistic simulations is scaled to fit the experiment. We show that the best fit gives flattening values of 0.7 and 0.35 Å at the middle of the binding surface for the two SWCNTs.

Original languageEnglish (US)
Article number153405
JournalPhysical Review B - Condensed Matter and Materials Physics
Volume77
Issue number15
DOIs
StatePublished - Apr 11 2008

Fingerprint

Van der Waals forces
Carbon Nanotubes
bundles
Carbon nanotubes
carbon nanotubes
flattening
Electron diffraction
Nanotubes
nanotubes
electron diffraction
simulation
Experiments

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

Cite this

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abstract = "A cylindrical single-wall carbon nanotube (SWCNT) deforms in a nanotube bundle by van der Waals forces. The deformation is hard to measure, but is required in order to understand the properties of bundles. Here, we show that such deformations can be measured from changes in electron diffraction intensities. We demonstrate this for a bundle of two SWCNTs (d=2.05 and 1.56 nm). Deformation model predicted by atomistic simulations is scaled to fit the experiment. We show that the best fit gives flattening values of 0.7 and 0.35 {\AA} at the middle of the binding surface for the two SWCNTs.",
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Measurement of radial deformation of single-wall carbon nanotubes induced by intertube van der Waals forces. / Jiang, Y. Y.; Zhou, W.; Kim, T.; Huang, Yonggang; Zuo, J. M.

In: Physical Review B - Condensed Matter and Materials Physics, Vol. 77, No. 15, 153405, 11.04.2008.

Research output: Contribution to journalArticle

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