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VOLUME 54 (1991) | ISSUE 1 | PAGE 44
Penetration of optical vibrations localized in the layers of GaAs/AIAs periodic structures into the barrier according to reflection spectra
Reflection spectra have been used for a study of optical vibrational modes localized in the GaAs layers of periodic (GaAs) n (Al As) m structures. Spectras indicating a partial penetration of GaAs phonons into the neighboring Al As layers are presented. The penetration depth is calculated in the model of a linear chain.