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Phonons and radiative recombination in self-assembled quantum dots

From National Research Council Canada

DOIResolve DOI: https://doi.org/10.1103/PhysRevB.52.5752
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Abstract
The radiative recombination of photocarriers has been studied in various self-assembled InxGa1-xAs/GaAs and AlxIn1-xAs/AlyGa1-yAs quantum dot samples, prepared with the spontaneous island formation during molecular-beam epitaxy. Depending on the relative values of the interlevel spacings and the phonon energies, some structures display strong enhancement of the photoluminescence for excitation energies permitting resonant phonon relaxations, or strong level filling and emission from the excited states with saturation of the ground states at higher excitation intensities.
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  • Physical Review. B, Condensed Matter and Materials Physics 52, no. 8 (15 August 1995): 5752–5755.
LanguageEnglish
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NPARC number12330042
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Record created2009-09-10
Record modified2020-04-29
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