The European Physical Journal Special Topics

, Volume 153, Issue 1, pp 69–73 | Cite as

Lateral heat diffusion in layered structures: Theory and photothermal experiments

  • D. Fournier
  • C. Fretigny


It is very important to understand how the heat diffuses in the case of nano objects and of layered structures. We will demonstrate that the lateral diffusion could be very different in the case of a good conductor layer deposited on a bad one and for the reverse (bad one on good substrate). Moreover, we will show how a thermoreflectance experiment can reveal both the thermal conductivity and the thermal diffusivity of thin layers deposited on substrates.


European Physical Journal Special Topic Thermal Wave Lateral Heat Thermal Length Plane Heat Source 
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Copyright information

© EDP Sciences/Società Italiana di Fisica/Springer-Verlag 2008

Authors and Affiliations

  • D. Fournier
    • 1
  • C. Fretigny
    • 2
  1. 1.UPR A0005 CNRS/UPMCParisFrance
  2. 2.UMR 7615 ESPCIParisFrance

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