Imperfectly mixed superlattice interfaces can reduce thermal conductivity below the random-alloy limit, and an optimal amount of intermixing exists for long-period structures.
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Optimizing phonon scattering by tuning surface-interdiffusion-driven intermixing to break the random-alloy limit of thermal conductivity
Imperfectly mixed superlattice interfaces can reduce thermal conductivity below the random-alloy limit, and an optimal amount of intermixing exists for long-period structures.