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Article | REF: BE8291 V1

Submicron-scale thermics - Nanoscale heat conduction

Authors: Sebastian VOLZ, Patrice CHANTRENNE

Publication date: April 10, 2002

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4. Thermal conductivity

Since the 1960s, two main methods have been used to model the thermal conductivity of dielectric and semiconducting solids:

  • the phenomenological Callaway model based on the Boltzmann transport equation (ETB). This model is simple, but introduces parameters to adjust the strength of diffusive mechanisms to match experimental results;

  • a variational approach to solving the transfer equation

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