Band Structure in Carbon Nanostructure Phononic Crystals

Band Structure in Carbon Nanostructure Phononic Crystals

We investigate the band structure of elastic waves propagating in carbon nanostructure phononic crystals with square, rectangular, triangular, honeycomb and Kagomé lattices. We also study the influence of carbon nanostructure cross section geometry - circular, hollow circular, square and rotated square with a 45° angle of rotation with respect to the x and y axes. Plane wave expansion method is used to solve the governing equations of motion of a isotropic solid based on classical elasticity theory, ignoring nanoscopic size effects, considering two-dimensional periodicity and wave propagation in the xy plane. Complete band gaps between XY and Z modes are observed for all types of carbon nanostructures. The best performance is for nanophononic crystal with circular carbon nanostructures in a triangular lattice with high band gap width in a broad range of filling fraction. We suggest that carbon nanostructure phononic crystals are feasible for elastic vibration management in GHz.

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Main Authors: Miranda Júnior,Edson Jansen Pedrosa de, Santos,José Maria Campos Dos
Format: Digital revista
Language:English
Published: ABM, ABC, ABPol 2017
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800555
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spelling oai:scielo:S1516-143920170008005552018-04-12Band Structure in Carbon Nanostructure Phononic CrystalsMiranda Júnior,Edson Jansen Pedrosa deSantos,José Maria Campos Dos carbon nanostructure phononic crystal band structure plane wave expansion method complete band gaps vibration control We investigate the band structure of elastic waves propagating in carbon nanostructure phononic crystals with square, rectangular, triangular, honeycomb and Kagomé lattices. We also study the influence of carbon nanostructure cross section geometry - circular, hollow circular, square and rotated square with a 45° angle of rotation with respect to the x and y axes. Plane wave expansion method is used to solve the governing equations of motion of a isotropic solid based on classical elasticity theory, ignoring nanoscopic size effects, considering two-dimensional periodicity and wave propagation in the xy plane. Complete band gaps between XY and Z modes are observed for all types of carbon nanostructures. The best performance is for nanophononic crystal with circular carbon nanostructures in a triangular lattice with high band gap width in a broad range of filling fraction. We suggest that carbon nanostructure phononic crystals are feasible for elastic vibration management in GHz.info:eu-repo/semantics/openAccessABM, ABC, ABPolMaterials Research v.20 suppl.2 20172017-01-01info:eu-repo/semantics/articletext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800555en10.1590/1980-5373-mr-2016-0898
institution SCIELO
collection OJS
country Brasil
countrycode BR
component Revista
access En linea
databasecode rev-scielo-br
tag revista
region America del Sur
libraryname SciELO
language English
format Digital
author Miranda Júnior,Edson Jansen Pedrosa de
Santos,José Maria Campos Dos
spellingShingle Miranda Júnior,Edson Jansen Pedrosa de
Santos,José Maria Campos Dos
Band Structure in Carbon Nanostructure Phononic Crystals
author_facet Miranda Júnior,Edson Jansen Pedrosa de
Santos,José Maria Campos Dos
author_sort Miranda Júnior,Edson Jansen Pedrosa de
title Band Structure in Carbon Nanostructure Phononic Crystals
title_short Band Structure in Carbon Nanostructure Phononic Crystals
title_full Band Structure in Carbon Nanostructure Phononic Crystals
title_fullStr Band Structure in Carbon Nanostructure Phononic Crystals
title_full_unstemmed Band Structure in Carbon Nanostructure Phononic Crystals
title_sort band structure in carbon nanostructure phononic crystals
description We investigate the band structure of elastic waves propagating in carbon nanostructure phononic crystals with square, rectangular, triangular, honeycomb and Kagomé lattices. We also study the influence of carbon nanostructure cross section geometry - circular, hollow circular, square and rotated square with a 45° angle of rotation with respect to the x and y axes. Plane wave expansion method is used to solve the governing equations of motion of a isotropic solid based on classical elasticity theory, ignoring nanoscopic size effects, considering two-dimensional periodicity and wave propagation in the xy plane. Complete band gaps between XY and Z modes are observed for all types of carbon nanostructures. The best performance is for nanophononic crystal with circular carbon nanostructures in a triangular lattice with high band gap width in a broad range of filling fraction. We suggest that carbon nanostructure phononic crystals are feasible for elastic vibration management in GHz.
publisher ABM, ABC, ABPol
publishDate 2017
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-14392017000800555
work_keys_str_mv AT mirandajunioredsonjansenpedrosade bandstructureincarbonnanostructurephononiccrystals
AT santosjosemariacamposdos bandstructureincarbonnanostructurephononiccrystals
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