High frequency atomic tunneling yields ultralow and glass-like thermal conductivity in chalcogenide single crystals
Nature communications, pp. 60392020.
Crystalline solids exhibiting glass-like thermal conductivity have attracted substantial attention both for fundamental interest and applications such as thermoelectrics. In most crystals, the competition of phonon scattering by anharmonic interactions and crystalline imperfections leads to a non-monotonic trend of thermal conductivity wi...More
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