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Figure 6
Preliminary photoluminescence results of the N = 50 period sample as grown together with the result of the virtual substrate. It can clearly be seen that the majority of the signal is attributed to the SL structure. The found peak is very close to the predicted fundamental bandgap of 0.61 eV (Monazam et al., 2013BB11). Nevertheless, defects could not be completely eliminated as the source of the PL of the SL structure, as discussed in the text.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 48| Part 1| February 2015| Pages 262-268
https://doi.org/10.1107/S1600576715000849
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