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Dispersion of acoustic phonons in layered SrGa2

โœ Scribed by H. Meyer; A. Weiss; B. Dorner


Publisher
Elsevier Science
Year
1978
Tongue
English
Weight
250 KB
Volume
25
Category
Article
ISSN
0038-1098

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Observation of acoustic modes inside the
โœ V. Lemos; O. Pilla; M. Montagna; C.F. de Souza ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 163 KB

Raman spectra of \(S i / G e_{x} S i_{1-x}\) 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 photoelas