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    Effect of microstructure on the thermal conductivity of disordered carbon

    162000_39592_TC-Microstructure-rev.pdf (1.218Mb)
    Access Status
    Open access
    Authors
    Suarez-Martinez, Irene
    Marks, Nigel
    Date
    2011
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Suarez-Martinez, Irene and Marks, Nigel. 2011. Effect of microstructure on the thermal conductivity of disordered carbon. Applied Physics Letters. 99: pp. 033101-033101.
    Source Title
    Applied Physics Letters
    DOI
    10.1063/1.3607872
    ISSN
    00036951
    School
    Nanochemistry Research Institute (Research Institute)
    Remarks

    Copyright 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

    The following article appeared in Applied Physics Letters and may be found at http://apl.aip.org/resource/1/applab/v99/i3/p033101_s1

    URI
    http://hdl.handle.net/20.500.11937/14219
    Collection
    • Curtin Research Publications
    Abstract

    Computational methods are used to control the degree of structural order in a variety of carbonmaterials containing primarily sp2 bonding. Room-temperature thermal conductivities arecomputed using non-equilibrium molecular dynamics. Our results reproduce experimental data foramorphous and glassy carbons and confirm previously proposed structural models for vitreouscarbons. An atomistic model is developed for highly oriented thin films seen experimentally, with amaximum computed thermal conductivity of 35 W m1 K1. This value is much higher than thatof the amorphous and glassy structures, demonstrating that the microstructure influences thethermal conductivity more strongly than the density.

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