Abstract
ABSTRACTControlling thermal transport in optoelectronic devices is a fundamental determinant of optimum performance. We study in-plane thermal transport mechanisms in GaAs/AlAs and their alloy-based superlattices while rigorously accounting for phonon interlayer coupling and interface scattering. We provide an extensive microscopic analysis of phonon transport to enable rational thermal material design. We also predict the thermal conductivity of realistic finite-sized GaAs/AlAs superlattices for efficient heat control in III–V superlattice-based optoelectronic devices.
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More From: Nanoscale and Microscale Thermophysical Engineering
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