Hopping Excitons in GaInNAs - Simulation of Micro- and Macrophotoluminescence Spectra |
M. Baranowski, M. Latkowska, R. Kudrawiec and J. Misiewicz
Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland |
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Model of hopping excitons has been applied to explain the origin of sharp lines observed in microphotoluminescence spectra of GaInNAs layers. It has been shown that shape of the micro- and macrophotoluminescence spectra results from the exciton hopping between localizing centers and this phenomenon is responsible for the observation of sharp lines in microphotoluminescence experiment. In addition, the influence of different model parameters on photoluminescence spectra and their characteristic parameters such as the Stokes shift and full width at half maximum has been investigated. |
DOI: 10.12693/APhysPolA.120.899 PACS numbers: 78.66.Fd, 78.55.Cr, 78.20.Bh |