Generalized Thin-Wire Hybrid VFETD/FDTD Schemes for Nanocomposite and Graphene Applications

Nikolaos Kantartzis; Tadao Ohtani; Yasushi Kanai; Theodoros Tsiboukis

doi:10.4028/www.scientific.net/MSF.856.58

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HomeMaterials Science ForumMaterials Science Forum Vol. 856Generalized Thin-Wire Hybrid VFETD/FDTD Schemes...

Generalized Thin-Wire Hybrid VFETD/FDTD Schemes for Nanocomposite and Graphene Applications

Abstract:

A family of consistent thin-wire representation models blended with a 3-D optimized vector finite-element time-domain/finite-difference time-domain method is developed in this paper for nanomaterial and graphene devices. Based on a tailored set of telegrapher’s equations, the novel technique approximates traveling waves along the radial direction of the wire and minimizes artificial instabilities. Also, through a non-overlapping grid discretization algorithm, the hyperbolic character of Maxwell’s laws is physically preserved. In this way, tilted or circular-loop structures of arbitrary orientation are accurately coupled with the curvilinear algorithm. These attributes are successfully verified via various nanoscale components and finite-sized graphene arrangements.

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Periodical:

Materials Science Forum (Volume 856)

Pages:

58-63

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.856.58

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Online since:

May 2016

Authors:

Nikolaos Kantartzis*, Tadao Ohtani, Yasushi Kanai, Theodoros Tsiboukis

Keywords:

FDTD/FEM Methods, Graphene, Hybrid Schemes, Nanomaterials, Thin-Wire Models

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