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Acoustic phonons in a-Si:H/a-SiNx:H superlattices

โœ Scribed by Roswitha Hotz


Publisher
Elsevier Science
Year
1990
Tongue
English
Weight
370 KB
Volume
5
Category
Article
ISSN
0921-5107

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๐Ÿ“œ SIMILAR VOLUMES


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Size effects in a-Si:H/a-SiN,:H (x = 1, 13) superlattices have been studied by photothermal deflection spectroscopy and infrared luminescence measurements. It is found that despite of the explanation of the changes in the band gap by a one dimensional quantum well model, the variations in the optic

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Surface Rayleigh acoustic waves and related elastic properties of quasiperiodic and periodic modulated a- \(\mathrm{Si}: \mathrm{H} / \mathrm{a}-\mathrm{SiN}_{x}: \mathrm{H}\) superlattices have been studied by means of a light-scattering technique. Changes in the phase velocity of the surface Rayle