First-principles Monte Carlo simulations show that phonon scattering selection rules and boundary mode conversion compete in semiconductor nanofilms, producing transverse-acoustic-polarized heat currents at temperatures below 100 K, most strongly in InP.
Experimental observation of high thermal conductivity in boron arsenide.Science, 361(6402):575–578, 2018
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Semiconductor nanofilms as thermal phonon polarizers: competing effects of scattering selection rules and boundary mode conversion
First-principles Monte Carlo simulations show that phonon scattering selection rules and boundary mode conversion compete in semiconductor nanofilms, producing transverse-acoustic-polarized heat currents at temperatures below 100 K, most strongly in InP.