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AC Small-Signal Response of Graphene Nanoribbons

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3 Author(s)
Zhidong Chen ; Inst. of Microelectron., Tsinghua Univ., Beijing ; Jinyu Zhang ; Zhiping Yu

The ac small-signal conductance of graphene nanoribbons (GNRs) was investigated using non-equilibrium Green's function. Simulation results of ac conductance of GNRs with and without the edge effect are presented. The edge effect and the influence of a slight change in width have great impacts on the ac conductance of GNRs. The ac conductance of GNRs presents oscillatory response with frequency. At low frequencies, a metallic GNR displays an inductive behavior, whereas a semi-conductive GNR displays a capacitive behavior.

Published in:

Computational Electronics, 2009. IWCE '09. 13th International Workshop on

Date of Conference:

27-29 May 2009