Direct observation of confined acoustic phonon polarization branches in free-standing semiconductor nanowires

In nanostructures, phonon confinement could lead to better control of phonon-electron coupling and thermal properties. Here, the authors use light scattering spectroscopy to measure acoustic phonons confinement in individual free-standing nanowires, their energy dispersion and energy scaling.

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Detalles Bibliográficos
Autores principales: Fariborz Kargar, Bishwajit Debnath, Joona-Pekko Kakko, Antti Säynätjoki, Harri Lipsanen, Denis L. Nika, Roger K. Lake, Alexander A. Balandin
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
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Acceso en línea:https://doaj.org/article/b491ab58f0464bd7955d67a63401afb8
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Sumario:In nanostructures, phonon confinement could lead to better control of phonon-electron coupling and thermal properties. Here, the authors use light scattering spectroscopy to measure acoustic phonons confinement in individual free-standing nanowires, their energy dispersion and energy scaling.