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Folded acoustic and quantized optic phonons in (GaAl)As superlattices

✍ Scribed by Colvard, C.; Gant, T.; Klein, M.; Merlin, R.; Fischer, R.; Morkoc, H.; Gossard, A.

Book ID
115476734
Publisher
The American Physical Society
Year
1985
Tongue
English
Weight
623 KB
Volume
31
Category
Article
ISSN
1098-0121

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## Abstract We use Raman scattering to investigate the folded longitudinal acoustic (LA) phonons in a series of In~__x__~Ga~1βˆ’__x__~N/GaN superlattices (SLs) grown by molecular beam epitaxy with different compositions (15% < __x__ < 38%) and SL periods (from 8 to 20 nm). A novel, ultralow wavenumbe