Answers are grounded in this paper and cite their sources.
We derive explicit expressions of the electromagnetic scattered field and Brillouin cross section for the elasto-optic coupling in a supported bilayer. We consider p-p light scattering and acoustic sagittal modes. The theory is applied to the system Si/SiO₂ on Si(001), whose properties are investigated versus the thickness of the Si and SiO₂ films. The properties studied are the dispersion relations of surface acoustic modes and pseudomodes, the elasto-optic cross section, and the displacement field profile. A pseudomode of longitudinal character, which is mainly localized in the buried SiO₂ film and whose velocity changes monotonically from the longitudinal velocity of Si to that of SiO₂, deserves particular interest.
No takes yet. Share an insight, caveat, or question.
Byloos et al. (1995) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: