Phonon sidebands in photoluminescence of beryllium delta-doped GaAs/AlAs multiple quantum wells

Jurgis Kundrotas; Aurimas Čerškus; Agnė Johannessen; Steponas Ašmontas; Gintaras Valušis; Matthew P. Halsall; Paul Harrison

doi:10.1117/12.726488

25 January 2007 Phonon sidebands in photoluminescence of beryllium &dgr;-doped GaAs/AlAs multiple quantum wells

Jurgis Kundrotas, Aurimas Čerškus, Agnė Johannessen, Steponas Ašmontas, Gintaras Valušis, Matthew P. Halsall, Paul Harrison

Author Affiliations +

Proceedings Volume 6596, Advanced Optical Materials, Technologies, and Devices; 659612 (2007) https://doi.org/10.1117/12.726488
Event: Advanced Optical Materials, Technologies, and Devices, 2006, Vilnius, Lithuania

Abstract

We present a study of phonon sidebands in the photoluminescence spectra of Be acceptor-doped GaAs/AlAs multiple quantum wells at liquid nitrogen temperature. Up to two phonon satellites with a separation close to the GaAs longitudinal optical phonon energy are observed in the sideband of the photoluminescence. A theoretical analysis of the satellite-related photoluminescence lineshapes and their energetic position and impurity induced spectra is presented. The results show that the phonon satellites can be attributed to free-electron-Be acceptor transitions involving longitudinal optical phonon of GaAs - the host material of the studied quantum wells.

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Jurgis Kundrotas, Aurimas Čerškus, Agnė Johannessen, Steponas Ašmontas, Gintaras Valušis, Matthew P. Halsall, and Paul Harrison "Phonon sidebands in photoluminescence of beryllium &dgr;-doped GaAs/AlAs multiple quantum wells", Proc. SPIE 6596, Advanced Optical Materials, Technologies, and Devices, 659612 (25 January 2007); https://doi.org/10.1117/12.726488

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