Abstract
By taking into account the wavelike nature of phonons, a new superlattice design minimizes heat conduction through the material and sets the stage for new avenues of phonon engineering.
Highlights
The lattice thermal conductivity, in semiconductors and insulators, has been a key thermophysical property that determines the usability and functionality of materials in various applications such as thermal management, thermal barriers, and thermoelectrics [1]
We demonstrate the ultimate controllability of coherent phonon heat conduction by aperiodic SL, which opens a new route for phonon engineering
We demonstrate the ultimate controllability of coherent phonon thermal transport in the gallium arsenide (GaAs)/aluminum arsenide (AlAs) SL structure using materials informatics
Summary
The lattice thermal conductivity, in semiconductors and insulators, has been a key thermophysical property that determines the usability and functionality of materials in various applications such as thermal management, thermal barriers, and thermoelectrics [1].
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