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Title: Lattice vibrations in In1-x-yGaxAlxAs quaternary alloys
Authors: Ramam, A. 
Chua, S.J. 
Issue Date: 15-Dec-1996
Citation: Ramam, A.,Chua, S.J. (1996-12-15). Lattice vibrations in In1-x-yGaxAlxAs quaternary alloys. Journal of Applied Physics 80 (12) : 7157-7159. ScholarBank@NUS Repository.
Abstract: We report here Raman observations due to lattice vibrations in the InGaAlAs quaternary alloy grown on an InP substrate by molecular-beam epitaxy. The variation with doping, alloy composition, and lattice mismatch are presented. The dominant bands observed in the spectra are of the three binaries, namely, the GaAs-, InAs-, and AlAs-like optical phonon vibrations. The relative intensity of the peaks and the Raman shifts are related to the alloy composition in the band-gap engineered quaternary material. © 1996 American Institute of Physics.
Source Title: Journal of Applied Physics
ISSN: 00218979
Appears in Collections:Staff Publications

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