Structural changes and elastic properties in aerogels investigated by Brillouin scattering
β Scribed by Eric Anglaret; Jacques Pelous; Lawrence H. Hrubesh
- Book ID
- 115990301
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 340 KB
- Volume
- 186
- Category
- Article
- ISSN
- 0022-3093
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## Abstract Resonant Brillouin scattering by the transverse acoustic phonons is investigated for the first time in red HgI~2~ single crystal at room temperature by using the acoustic domain injection method. The measured results in the spectral region 579 to 800 nm show a nonβdispersive feature at
The elastic properties of Si/Ge strained-layer superlattices have been studied by means of Brillouin light scattering spectroscopy in order to verify the validity of the most reliable explanations for the so-called "supermodulus e β ectΓ. The superstructures, grown along the [ 001 ] direction, have c