Significant thickness dependence of the thermal resistance between few layer graphenes

International audienceThe inter-layer resistance in few layer graphene (FLG) is an unknown intrinsic property that affectsthe heat removal efficiency of FLG-based thermal devices. Here we present data that demonstratesthe layer number dependence of the resistance between FLGs, by using molecular dynamicssimulations. The resistance was found to decrease as the layer number increases. FLGs with largerthicknesses are proposed to be advantageous in heat spreading owing to their lower contactresistances. The observed properties do not depend on temperature, which is crucial for FLG basedstructures to retain a stable heat removal efficiency while working at a large temperature range.VC 2013 AIP Publishing LLC. [http://dx.doi.org/10.1063/1.4818341