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Type: Artigo de periódico
Title: Optical phonon modes of wurtzite InP
Author: Gadret, EG
de Lima, MM
Madureira, JR
Chiaramonte, T
Cotta, MA
Iikawa, F
Cantarero, A
Abstract: Optical vibration modes of InP nanowires in the wurtzite phase were investigated by Raman scattering spectroscopy. The wires were grown along the [0001] axis by the vapor-liquid-solid method. The A(1)(TO), E-2h, and E-1(TO) phonon modes of the wurtzite symmetry were identified by using light linearly polarized along different directions in backscattering configuration. Additionally, forbidden longitudinal optical modes have also been observed. Furthermore, by applying an extended 11-parameter rigid-ion model, the complete dispersion relations of InP in the wurtzite phase have been calculated, showing a good agreement with the Raman experimental data. (C) 2013 American Institute of Physics. []
Country: EUA
Editor: Amer Inst Physics
Citation: Applied Physics Letters. Amer Inst Physics, v. 102, n. 12, 2013.
Rights: aberto
Identifier DOI: 10.1063/1.4798324
Date Issue: 2013
Appears in Collections:Unicamp - Artigos e Outros Documentos

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