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  • Title: Thermal conductance of InAs nanowire composites.
    Author: Persson AI, Koh YK, Cahill DG, Samuelson L, Linke H.
    Journal: Nano Lett; 2009 Dec; 9(12):4484-8. PubMed ID: 19995087.
    Abstract:
    The ability to measure and understand heat flow in nanowire composites is crucial for applications ranging from high-speed electronics to thermoelectrics. Here we demonstrate the measurement of the thermal conductance of nanowire composites consisting of regular arrays of InAs nanowires embedded in PMMA using time-domain thermoreflectance (TDTR). On the basis of a proposed model for heat flow in the composite, we can, as a consistency check, extract the thermal conductivity Lambda of the InAs nanowires and find Lambda(NW) = 5.3 +/- 1.5 W m(-1) K(-1), in good agreement with theory and previous measurements of individual nanowires.
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