Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification

Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification

Using molecular dynamics simulations, the thermal transport properties of boron nitride nanoribbons (BNNR) containing geometrically-asymmetric triangular nano-vacancies were investigated. By suitably interpreting the time-evolution of spatially decomposed heat-current autocorrelation function in ter...

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Main Authors: Krishna Muralidharan, R. G. Erdmann, K. Runge, P. A. Deymier
Format: Article
Language:English
Published: AIP Publishing LLC 2011-12-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.3675924
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spelling doaj-5c2cac0891594965a9dbf9c570c436e42020-11-24T21:09:08ZengAIP Publishing LLCAIP Advances2158-32262011-12-0114041703041703-810.1063/1.3675924098104ADVAsymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectificationKrishna Muralidharan0R. G. Erdmann1K. Runge2P. A. Deymier31235 E James E Rogers Way, Department of Materials Science and Engineering, University of Arizona, Tucson, Arizona 85721, USA1235 E James E Rogers Way, Department of Materials Science and Engineering, University of Arizona, Tucson, Arizona 85721, USA1235 E James E Rogers Way, Department of Materials Science and Engineering, University of Arizona, Tucson, Arizona 85721, USA1235 E James E Rogers Way, Department of Materials Science and Engineering, University of Arizona, Tucson, Arizona 85721, USAUsing molecular dynamics simulations, the thermal transport properties of boron nitride nanoribbons (BNNR) containing geometrically-asymmetric triangular nano-vacancies were investigated. By suitably interpreting the time-evolution of spatially decomposed heat-current autocorrelation function in terms of phonon propagation characteristics, we have demonstrated the possibility of observing defect induced direction-dependent thermal transport in BNNR. This was further confirmed by appropriate analysis of direction dependent thermal diffusivity estimations in BNNR.http://dx.doi.org/10.1063/1.3675924
collection DOAJ
language English
format Article
sources DOAJ
author Krishna Muralidharan
R. G. Erdmann
K. Runge
P. A. Deymier
spellingShingle Krishna Muralidharan
R. G. Erdmann
K. Runge
P. A. Deymier
Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification
AIP Advances
author_facet Krishna Muralidharan
R. G. Erdmann
K. Runge
P. A. Deymier
author_sort Krishna Muralidharan
title Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification
title_short Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification
title_full Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification
title_fullStr Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification
title_full_unstemmed Asymmetric energy transport in defected boron nitride nanoribbons: Implications for thermal rectification
title_sort asymmetric energy transport in defected boron nitride nanoribbons: implications for thermal rectification
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2011-12-01
description Using molecular dynamics simulations, the thermal transport properties of boron nitride nanoribbons (BNNR) containing geometrically-asymmetric triangular nano-vacancies were investigated. By suitably interpreting the time-evolution of spatially decomposed heat-current autocorrelation function in terms of phonon propagation characteristics, we have demonstrated the possibility of observing defect induced direction-dependent thermal transport in BNNR. This was further confirmed by appropriate analysis of direction dependent thermal diffusivity estimations in BNNR.
url http://dx.doi.org/10.1063/1.3675924
work_keys_str_mv AT krishnamuralidharan asymmetricenergytransportindefectedboronnitridenanoribbonsimplicationsforthermalrectification
AT rgerdmann asymmetricenergytransportindefectedboronnitridenanoribbonsimplicationsforthermalrectification
AT krunge asymmetricenergytransportindefectedboronnitridenanoribbonsimplicationsforthermalrectification
AT padeymier asymmetricenergytransportindefectedboronnitridenanoribbonsimplicationsforthermalrectification
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