Simulation of electromagnetic properties in carbon nanotubes and graphene-based nanostructures

Yuri N. Shunin; Yuri F. Zhukovskii; Victor I. Gopeyenko; Nataly Bulutskaya; Tamara Lobanova-Shunin; Stefano Bellucci

doi:10.1117/1.JNP.6.061706

1 October 2012 Simulation of electromagnetic properties in carbon nanotubes and graphene-based nanostructures

Yuri N. Shunin, Yuri F. Zhukovskii, Victor I. Gopeyenko, Nataly Bulutskaya, Tamara Lobanova-Shunin, Stefano Bellucci

Author Affiliations +

Journal of Nanophotonics, Vol. 6, Issue 1, 061706 (October 2012). https://doi.org/10.1117/1.JNP.6.061706

Abstract

As carbon nanotubes (CNT) and graphene nanostructures (GNR) constitute the basis of high-speed nanoelectronics and nanosensors, we examine the fundamental properties of various CNT-metal (Me), GNR-Me, and CNT-graphene interconnects. The cluster approach based on the multiple scattering theory as well as effective medium approximation were used to model the dispersion law, electronic density of states (DOS), and conductivity, etc. Multiple scattering problems were solved for nanostructures with radial (quantum dots) and axial (nanowires, nanotubes) symmetry. Interconnect capacitances and impedances have been evaluated in the GHz and THz regimes. Parametrical numerical simulations of conductivity were carried out for zig-zag (m,0) , armchair (m,m) , and chiral (m,n) CNTs, and the sensitivity of conductivity to the local electronic DOS in CNTs with local impurities (N and B atoms) was demonstrated. CNTs, CNT-Me, and GNR-Me based nanostructures are prospective nanosensor structures.

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Yuri N. Shunin, Yuri F. Zhukovskii, Victor I. Gopeyenko, Nataly Bulutskaya, Tamara Lobanova-Shunin, and Stefano Bellucci "Simulation of electromagnetic properties in carbon nanotubes and graphene-based nanostructures," Journal of Nanophotonics 6(1), 061706 (1 October 2012). https://doi.org/10.1117/1.JNP.6.061706

Published: 1 October 2012

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