Wave propagation in nanofibers

Xiang Fa Wu, Yuris A. Dzenis

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Surface effect on the longitudinal and flexural wave propagation in straight nanofibers/nanowires is studied within the framework of continuum mechanics. Modified Euler-Bernoulli and Rayleigh-Love rod equations and modified Timoshenko beam equation were developed to take into account the surface effect. It was found that surface tension/stress plays appreciable influence on the wave propagation in nanofibers/nanowires at very small diameters. Wave dispersion relations were presented in closed form, and numerical calculations were performed to show the variation of the phase velocity with the wave number at varying surface property and fiber diameter. The given results can be used as the theoretical basis of dynamic characterization of nanofibers/nanowires and nanodevice design and analysis.

Original languageEnglish (US)
Article number124318
JournalJournal of Applied Physics
Volume100
Issue number12
DOIs
StatePublished - Dec 1 2006

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wave propagation
nanowires
Timoshenko beams
continuum mechanics
wave dispersion
longitudinal waves
phase velocity
surface properties
interfacial tension
rods
fibers

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Wave propagation in nanofibers. / Wu, Xiang Fa; Dzenis, Yuris A.

In: Journal of Applied Physics, Vol. 100, No. 12, 124318, 01.12.2006.

Research output: Contribution to journalArticle

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