Abstract
N-layer superlattices are formed out of a periodic repetition of a unit cell containing N (N > 2) different slabs. Polytype superlattices made from three constituents (InAs — GaSb — AlSb) were proposed recently.1 We review here the studies of phonons in N-layer superlattices.2–9 A recent Raman determination10 of folded acoustic phonons in a four-layer superlattice is then compared with the theoretical results. We discuss also the existence of surface phonons for three-layer superlattices and the possible extensions of these studies to more complex composite materials.
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© 1991 Springer Science+Business Media New York
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Dobrzynski, L., Rodriguez, A., Mendialdua, J., Lockwood, D.J., Rouhani, B.D. (1991). N-Layer Superlattice Phonons. In: Lockwood, D.J., Young, J.F. (eds) Light Scattering in Semiconductor Structures and Superlattices. NATO ASI Series, vol 273. Springer, Boston, MA. https://doi.org/10.1007/978-1-4899-3695-0_32
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DOI: https://doi.org/10.1007/978-1-4899-3695-0_32
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