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

Krishna Muralidharan | Zendy; Robert G. Erdmann | Zendy; K. Runge | Zendy; P. A. Deymier | Zendy

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

Author(s) -

Krishna Muralidharan,

Robert G. Erdmann,

K. Runge,

P. A. Deymier

Publication year - 2011

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.3675924

Subject(s) - boron nitride , materials science , phonon , thermal diffusivity , thermal , molecular dynamics , heat current , rectification , graphene nanoribbons , thermal conductivity , chemical physics , nitride , condensed matter physics , nanotechnology , thermodynamics , computational chemistry , chemistry , graphene , composite material , physics , power (physics) , layer (electronics)

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

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