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Type: Artigo de periódico
Title: Observation Of Acoustic Modes Inside The Phonon Dispersion Gaps
Author: Lemos V.
Pilla O.
Montagna M.
de Souza C.F.
Abstract: Raman spectra of Si/GexSi1-x superlattices have been measured, probing close to the mini Brillouin zone edge. The data reveal sharp lines appearing between those of folded phonon doublets. These lines have been interpreted with the aid of a computational method based on the photoelastic theory for low frequency Raman scattering by longitudinal acoustic phonons in finite size superlattices. © 1995 Academic Press. All rights reserved.
Rights: fechado
Identifier DOI: 10.1006/spmi.1995.1012
Date Issue: 1995
Appears in Collections:Unicamp - Artigos e Outros Documentos

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