Investigation of phonon coherence and backscattering using silicon nanomeshes

Low thermal conductivities in nanomeshes have been attributed to both wave-like and particle-like behaviour of phonons. Here, the authors use periodicity-controlled silicon nanomeshes to show that the particle backscattering effect dominates for periodicities above 100 nm and temperatures above 14 K...

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Bibliographic Details
Main Authors: Jaeho Lee, Woochul Lee, Geoff Wehmeyer, Scott Dhuey, Deirdre L. Olynick, Stefano Cabrini, Chris Dames, Jeffrey J. Urban, Peidong Yang
Format: article
Language:EN
Published: Nature Portfolio 2017
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Online Access:https://doaj.org/article/11fabd7f2d1b43879f517bb22cfd5bab
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