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Raman spectroscopy of acoustic phonons in periodic and Fibonacci superlattices

✍ Scribed by M.W.C. Dharma-wardana; A.H. MacDonald; G.C. Aers; D.J. Lockwood; W.T. Moore; R.L.S. Devine

Publisher
Elsevier Science
Year
1987
Tongue
English
Weight
567 KB
Volume
3
Category
Article
ISSN
0749-6036

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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