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|Title:||AlGaAs optical phonon replicas in the photoluminescence spectra of GaAs layer in an Al0.3Ga0.7As/GaAs heterostructure|
|Authors:||Chua, S.J. |
D. electron-phonon interactions
|Citation:||Chua, S.J., Xu, S.J., Tang, X.H. (1996-06). AlGaAs optical phonon replicas in the photoluminescence spectra of GaAs layer in an Al0.3Ga0.7As/GaAs heterostructure. Solid State Communications 98 (12) : 1053-1056. ScholarBank@NUS Repository. https://doi.org/10.1016/0038-1098(96)00158-5|
|Abstract:||We report the observation of AlGaAs optical phonon replicas in the photoluminescence spectra from GaAs layer of an Al0.3Ga0.7As/GaAs heterostructure at low temperature. The AlAs-like transverse and longitudinal optical modes of Al0.3Ga0.7As alloy are observed by using excitation light with 488 nm wavelength. Also, the replicas involving one and two GaAs-like longitudinal optical phonons are observed when the excitation light used is He-Ne laser with 632.8 nm wavelength. The phonon energies determined from our measurement are in agreement within 10% with those expected. Copyright © 1996 Published by Elsevier Science Ltd.|
|Source Title:||Solid State Communications|
|Appears in Collections:||Staff Publications|
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