Abstract
We have investigated the effects of nitrogen in the Ga(N)As barrier of an 1.5-μm-emitting GaIn- NAsSb quantum well (QW) on the localization and the defect density. The QW with the GaNAs barrier emitted brighter photoluminescence at a longer wavelength at 10 K than the GaAs barrier and showed less carrier localization. The lifetime at 10 K was almost the same for the QWs both with and without nitrogen in the barrier, implying comparable defect densities. This result clearly supports that GaInNAsSb QWs with a GaNAs barrier can emit light at a longer wavelength without increasing either the defect density or the localization.
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Jang, Y.D., Nguyen, D.H., Park, J. et al. Effects of nitrogen in the Ga(N)As barrier of GaInNAsSb quantum wells. Journal of the Korean Physical Society 68, 583–586 (2016). https://doi.org/10.3938/jkps.68.583
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DOI: https://doi.org/10.3938/jkps.68.583