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Thermal Conductance of InAs Nanowire Composites

Författare:
Publiceringsår: 2009
Språk: Engelska
Sidor: 4484-4488
Publikation/Tidskrift/Serie: Nano Letters
Volym: 9
Nummer: 12
Dokumenttyp: Artikel
Förlag: Amer Chemical Soc

Sammanfattning

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.

Disputation

Nyckelord

  • Physics and Astronomy

Övriga

Published
Yes
  • ISSN: 1530-6984

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