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Anisotropy of long-wavelength optical phonons in GaAs/AlAs superlattices

✍ Scribed by Volodin, V. A.; Sinyukov, M. P.


Book ID
125393192
Publisher
SP MAIK Nauka/Interperiodica
Year
2014
Tongue
English
Weight
302 KB
Volume
99
Category
Article
ISSN
0021-3640

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Optical phonon damping in the ultrathin-
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We performed the precision measurements of the near-normal far-infrared reflection and transmission spectra of the MBE-grown (GaAs) n /(AlAs) n (n = 1, 2, 4) superlattices. The results obtained show a noticeable (almost twofold) increase in the AlAs-phonon damping when n is decreased from 4 to 1. We