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Showing 1 to 1 of 1 for “"confined LO phonons"”.
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I. Raman scattering and x-ray diffraction study of annealing effects on confined LO and folded LA phonons in GaAs-AlAs superlattices ; II. Picosecond light scattering studies of relaxation and tunneling in GaAs/AlxGa1-xAs mulitple quatum well structures
… effects of interface broadening on folded LA and confined LO phonons. During the annealing process we followed three folded LA phonon doublets and up to the ninth order of confined LO phonons in the Raman spectrum. The frequencies of folded LA phonons in annealed samples did not shift, but the …