A planar force-constant model for phonons in wurtzite GaN and AlN: Application to hexagonal GaN/AlN superlattices

Guanghong Wei; Jian Zi; Lingjun Wang

arxiv: cond-mat/9812293 · v1 · submitted 1998-12-17 · ❄️ cond-mat.soft

A planar force-constant model for phonons in wurtzite GaN and AlN: Application to hexagonal GaN/AlN superlattices

Lingjun Wang , Guanghong Wei , Jian Zi This is my paper

classification ❄️ cond-mat.soft

keywords modelforce-constanthexagonallongitudinalphononphononsplanarsuperlattices

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A planar force-constant model is developed for longitudinal phonons of wurtzite GaN and AlN propagating along the [0001] direction. The proposed model is then applied to the study of the phonon modes in hexagonal GaN/AlN superlattices in the longitudinal polarization. The confinement of the superlattice phonon mode is discussed.

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A planar force-constant model for phonons in wurtzite GaN and AlN: Application to hexagonal GaN/AlN superlattices

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