Effective medium theory of the microwave and the infrared properties of composites with carbon nanotube inclusions

Akhlesh Lakhtakia, Gregory Ya Slepyan, Sergey A. Maksimenko, Anton V. Gusakov, Oleg M. Yevtushenko

Research output: Contribution to journalArticlepeer-review

37 Scopus citations

Abstract

Carbon nanotubes (CNs) are electrically small particles at infrared and microwave frequencies. The Mossotti-Clausius formalism for estimating the effective permittivity dyadic of a dilute composite containing CN inclusions is described, and simplifications for certain orientational statistics are discussed. The polarizability dyadic of an electrically small CN is estimated from that of an infinitely long CN of the same cross-sectional diameter. A collection of randomly dispersed, aligned, nonchiral, electrically small CNs is shown to be transparent in the axial direction, but it can be either opaque or transparent in the transverse plane. Its effective electromagnetic response properties can be manipulated by a biasing magnetic field.

Original languageEnglish (US)
Pages (from-to)1833-1839
Number of pages7
JournalCarbon
Volume36
Issue number12
DOIs
StatePublished - Dec 1998

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)

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