Optical and electrical properties of preferentially anisotropic single-walled carbon-nanotube films in terahertz region

Tae In Jeon; Keun Ju Kim; Chul Kang; In Hee Maeng; Joo Hiuk Son; Kay Hyeok An; Ji Yeong Lee; Young Hee Lee

doi:10.1063/1.1699498

Optical and electrical properties of preferentially anisotropic single-walled carbon-nanotube films in terahertz region

Tae In Jeon, Keun Ju Kim, Chul Kang, In Hee Maeng, Joo Hiuk Son, Kay Hyeok An, Ji Yeong Lee, Young Hee Lee

Department of Physics

Research output: Contribution to journal › Article › peer-review

152 Scopus citations

Abstract

The absorption and dispersion of the aligned single walled carbon nanotubes (SWNT) film from 0.2 to 2.0 THz were measured without invoking the Kramers-Kronig relationship. The real conductivity was found to increase with increasing frequencies. The measured conductivity was fitted by employing the Maxwell-Garnet (M-G) model combined with the drude-Lorentz model to explain the carbon nanotube network in an effective air medium. The results show that a significant portion of the conductivity is contributed from the localized states or phonon scattering from the doped semiconducting nanotubes.

Original language	English
Pages (from-to)	5736-5740
Number of pages	5
Journal	Journal of Applied Physics
Volume	95
Issue number	10
DOIs	https://doi.org/10.1063/1.1699498
State	Published - 15 May 2004

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title = "Optical and electrical properties of preferentially anisotropic single-walled carbon-nanotube films in terahertz region",

abstract = "The absorption and dispersion of the aligned single walled carbon nanotubes (SWNT) film from 0.2 to 2.0 THz were measured without invoking the Kramers-Kronig relationship. The real conductivity was found to increase with increasing frequencies. The measured conductivity was fitted by employing the Maxwell-Garnet (M-G) model combined with the drude-Lorentz model to explain the carbon nanotube network in an effective air medium. The results show that a significant portion of the conductivity is contributed from the localized states or phonon scattering from the doped semiconducting nanotubes.",

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T1 - Optical and electrical properties of preferentially anisotropic single-walled carbon-nanotube films in terahertz region

AU - Jeon, Tae In

AU - Kim, Keun Ju

AU - Kang, Chul

AU - Maeng, In Hee

AU - Son, Joo Hiuk

AU - An, Kay Hyeok

AU - Lee, Ji Yeong

AU - Lee, Young Hee

PY - 2004/5/15

Y1 - 2004/5/15

N2 - The absorption and dispersion of the aligned single walled carbon nanotubes (SWNT) film from 0.2 to 2.0 THz were measured without invoking the Kramers-Kronig relationship. The real conductivity was found to increase with increasing frequencies. The measured conductivity was fitted by employing the Maxwell-Garnet (M-G) model combined with the drude-Lorentz model to explain the carbon nanotube network in an effective air medium. The results show that a significant portion of the conductivity is contributed from the localized states or phonon scattering from the doped semiconducting nanotubes.

AB - The absorption and dispersion of the aligned single walled carbon nanotubes (SWNT) film from 0.2 to 2.0 THz were measured without invoking the Kramers-Kronig relationship. The real conductivity was found to increase with increasing frequencies. The measured conductivity was fitted by employing the Maxwell-Garnet (M-G) model combined with the drude-Lorentz model to explain the carbon nanotube network in an effective air medium. The results show that a significant portion of the conductivity is contributed from the localized states or phonon scattering from the doped semiconducting nanotubes.

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JF - Journal of Applied Physics

IS - 10

ER -

Optical and electrical properties of preferentially anisotropic single-walled carbon-nanotube films in terahertz region

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