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Zone-center optical phonons in wurtzite GaN and AlN

1997; American Institute of Physics; Volume: 82; Issue: 9 Linguagem: Inglês

10.1063/1.366212

1520-8850

Guanghong Wei, Jian Zi, Kaiming Zhang, Xide Xie,

Acoustic Wave Resonator Technologies

Phonons at the zone-center of wurtzite semiconductors GaN and AlN are studied theoretically within a rigid-ion model. The anisotropies of the zone-center optical phonons induced by the macroscopic electric field are investigated.