In semiconductor thin films below 10 nm thick, low-frequency surface phonons tied to topological nodal lines carry up to 30% of in-plane heat at 300 K, reaching 82 W/m-K in c-BN.
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Topological surface phonons modulate thermal transport in semiconductor thin films
In semiconductor thin films below 10 nm thick, low-frequency surface phonons tied to topological nodal lines carry up to 30% of in-plane heat at 300 K, reaching 82 W/m-K in c-BN.