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Electrostatic Deflections and Electromechanical Resonances of Carbon Nanotubes
Abstract
Static and dynamic mechanical deflections were electrically induced in cantilevered, multiwalled carbon nanotubes in a transmission electron microscope. The nanotubes were resonantly excited at the fundamental frequency and higher harmonics as revealed by their deflected contours, which correspond closely to those determined for cantilevered elastic beams. The elastic bending modulus as a function of diameter was found to decrease sharply (from about 1 to 0.1 terapascals) with increasing diameter (from 8 to 40 nanometers), which indicates a crossover from a uniform elastic mode to an elastic mode that involves wavelike distortions in the nanotube. The quality factors of the resonances are on the order of 500. The methods developed here have been applied to a nanobalance for nanoscopic particles and also to a Kelvin probe based on nanotubes.
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Cited by
One‐Dimensional Nanostructures: Synthesis, Characterization, and Applications
Xia, Y., Yang, P., Sun, Y., Wu, Y., Mayers, B., Gates, B., Yin, Y., Kim, F., & Yan, H. (2003) · Advanced Materials · doi:10.1002/adma.200390087 · Cited by 8,559
Transmission Electron Microscopy of Shape-Controlled Nanocrystals and Their Assemblies
Wang, Z. L. (2000) · The Journal of Physical Chemistry B · doi:10.1021/jp993593c · Cited by 2,137
Self-citationA tunable carbon nanotube electromechanical oscillator
Sazonova, V., Yaish, Y., Üstünel, H., Roundy, D., Arias, T. A., & McEuen, P. L. (2004) · Nature · doi:10.1038/nature02905 · Cited by 1,312
The revolutionary creation of new advanced materials—carbon nanotube composites
Lau, A. K.-T., & Hui, D. (2002) · Composites Part B: Engineering · doi:10.1016/s1359-8368(02)00012-4 · Cited by 1,020
Photomechanical actuation in polymer–nanotube composites
Ahir, S. V., & Terentjev, E. M. (2005) · Nature Materials · doi:10.1038/nmat1391 · Cited by 423
Metadata
- Authors
- Poncharal, P., Wang, Z. L., Ugarte, D., & de Heer, W. A.
- Venue
- Science
- Published
- 1999-03-05
- Volume
- 283
- Issue
- 5407
- Pages
- 1513-1516
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2150303827
- Cited by
- 1,934
- References
- 0
- FWCI
- 34.02
- Type
- journal article
- Language
- en
- Open access
- closed
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- Poncharal, P., Wang, Z. L., Ugarte, D., & de Heer, W. A. (1999). Electrostatic Deflections and Electromechanical Resonances of Carbon Nanotubes. Science. https://doi.org/10.1126/science.283.5407.1513
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