A model for phononheat conduction in a semiconductornanowire with dimensions comparable to the phonon mean free path is developed
2002
Key concepts
Scholarcy highlights
- A model for phononheat conduction in a semiconductornanowire with dimensions comparable to the phonon mean free path is developed
- Numerical simulation is performed for a silicon nanowire with boundaries characterized by different interface roughness.Phonon confinement and boundary scattering lead to a significant decrease of the lattice thermal conductivity
- The value of this decrease and its interface roughness and temperature dependence are different from the predictions of the early models
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