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Acoustic waves in finite superlattices: Influence of buffer layers

✍ Scribed by Hammouchi, M.; El Boudouti, E. H.; Nougaoui, A.; Djafari-Rouhani, B.; Lahlaouti, M. L. H.; Akjouj, A.; Dobrzynski, L.


Book ID
123617584
Publisher
The American Physical Society
Year
1999
Tongue
English
Weight
280 KB
Volume
59
Category
Article
ISSN
1098-0121

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Infrared reflectivity spectra of GaAs/AlGaAs thick multiple heterostructures in the far-infrared range up to 450 cm\ have been investigated. A big influence of the buffer layer in the transparency region between the two 'Reststrahlen' bands, of GaAs and AlAs, is observed. It was shown that a simple