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Title: Comparison of electron and phonon transport in disordered semiconductor carbon nanotubes
Authors: Sevinçli, Haldun
Lehmann, T.
Ryndyk, D. A.
Cuniberti, G.
Sevinçli, Haldun
Izmir Institute of Technology. Materials Science and Engineering
Keywords: Disordered nanostructures
Disordered semiconductors
Electron and phonon transports
Electronic application
Thermal conductivity
Carbon nanotubes
Issue Date: Dec-2013
Publisher: Springer Verlag
Source: Sevinçli, H., Lehmann, T., Ryndyk, D.A., and Cuniberti, G. (2013). Comparison of electron and phonon transport in disordered semiconductor carbon nanotubes. Journal of Computational Electronics, 12(4), 685-691. doi:10.1007/s10825-013-0539-7
Abstract: Charge and thermal conductivities are the most important parameters of carbon nanomaterials as candidates for future electronics. In this paper we address the effects of Anderson type disorder in long semiconductor carbon nanotubes (CNTs) to electron charge conductivity and lattice thermal conductivity using the atomistic Green function approach. The electron and phonon transmissions are analyzed as a function of the length of the disordered nanostructures. The thermal conductance as a function of temperature is calculated for different lengths. Analysis of the transmission probabilities as a function of length of the disordered device shows that both electrons and phonons with different energies display different transport regimes, i.e. quasi-ballistic, diffusive and localization regimes coexist. In the light of the results we discuss heating of the semiconductor device in electronic applications. Disordered nanostructures; Disordered semiconductors; Electron and phonon transports; Electronic application
ISSN: 1569-8025
Appears in Collections:Materials Science and Engineering / Malzeme Bilimi ve Mühendisliği
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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