Layer and size dependence of thermal conductivity in multilayer graphene nanoribbons

Details Layer and size dependence of thermal conductivity in multilayer graphene nanoribbons Layer and size dependence of thermal conductivity in multilayer graphene nanoribbons

2011-03-30

arxiv.org/abs/1103.5825v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

10 pages, 2 figures

Scientific paper

Using non-equilibrium molecular dynamics method(NEMD), we have found that the thermal conductivity of multilayer graphene nanoribbons monotonously decreases with the increase of the number of layers, such behavior can be attributed to the phonon resonance effect of out-of-plane phonon modes. The reduction of thermal conductivity is found to be proportional to the layer size, which is caused by the increase of phonon resonance. Our results are in agreement with recent experiment on dimensional evolution of thermal conductivity in few layer graphene.

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