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Universal phonon mean free path spectra in crystalline semiconductors at high temperature

Thermal conductivity in non-metallic crystalline materials results from cumulative contributions of phonons that have a broad range of mean free paths. Here we use high frequency surface temperature modulation that generates non-diffusive phonon transport to probe the phonon mean free path spectra o...

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Detalles Bibliográficos
Autores principales: Freedman, Justin P., Leach, Jacob H., Preble, Edward A., Sitar, Zlatko, Davis, Robert F., Malen, Jonathan A.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2013
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3797423/
https://www.ncbi.nlm.nih.gov/pubmed/24129328
http://dx.doi.org/10.1038/srep02963