Heat guiding and focusing using ballistic phonon transport in phononic nanostructures

Heat conduction at the nanoscale is unlike macroscopic diffusion and phonons can travel in straight lines without dissipation. Here Anufrievet al. show that heat conduction can be spatially directed in nanostructured silicon and exploit this effect to concentrate heat into a focal point.

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Detalles Bibliográficos
Autores principales: Roman Anufriev, Aymeric Ramiere, Jeremie Maire, Masahiro Nomura
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/64667add64a1499395f37f87f8cf216c
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Descripción
Sumario:Heat conduction at the nanoscale is unlike macroscopic diffusion and phonons can travel in straight lines without dissipation. Here Anufrievet al. show that heat conduction can be spatially directed in nanostructured silicon and exploit this effect to concentrate heat into a focal point.