Lattice dynamics of zinc-blende GaN and AlN: II. Superlattice phonons

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, , Citation Jian Zi et al 1996 J. Phys.: Condens. Matter 8 6329 DOI 10.1088/0953-8984/8/35/004

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1 Fudan - T D Lee Physics Laboratory and Surface Physics Laboratory, Fudan University, Shanghai 200433, People's Republic of China

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  1. Received 2 January 1996

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0953-8984/8/35/6329

Abstract

Phonon dispersions of (001)-oriented cubic GaN/AlN superlattices in the longitudinal polarization were calculated by a planar-force-constant model. Raman spectra were calculated by a bond-polarizability model. The confinement of the optical modes was discussed.

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10.1088/0953-8984/8/35/004