Minimum Thermal Conductivity of Superlattices
classification
❄️ cond-mat.mtrl-sci
keywords
conductivitylayerstransportminimumthermalcalculatedcalculationscross
read the original abstract
The phonon thermal conductivity of a multilayer is calculated for transport perpendicular to the layers. There is a cross over between particle transport for thick layers to wave transport for thin layers. The calculations shows that the conductivity has a minimum value for a layer thickness somewhat smaller then the mean free path of the phonons.
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