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High accuracy determination of the thermal properties of supported 2D materials.


ABSTRACT: We present a novel approach for the simultaneous determination of the thermal conductivity κ and the total interface conductance g of supported 2D materials by the enhanced opto-thermal method. We harness the property of the Gaussian laser beam that acts as a heat source, whose size can easily and precisely be controlled. The experimental data for multi-layer graphene and MoS2 flakes are supplemented using numerical simulations of the heat distribution in the Si/SiO2/2D material system. The procedure of κ and g extraction is tested in a statistical approach, demonstrating the high accuracy and repeatability of our method.

SUBMITTER: Judek J 

PROVIDER: S-EPMC4503949 | biostudies-other | 2015

REPOSITORIES: biostudies-other

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