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(Color online) PL spectra from as-grown and annealed samples, obtained at under a low excitation power of .
(Color online) Peak energy, integrated intensity, and FWHM of the peaks in Fig. 1 plotted as a function of annealing temperature. Solid squares indicate the data for the samples with the GaAs proximity capping while solid circles stand for the samples with the capping.
(Color online) FWHM dependence of the peaks in Fig. 1 on the peak energy.
(Color online) Excitation-dependent spectra from the samples annealed at 650 and , respectively.
(Color online) Peak-energy dependence of the peaks from the QDs, WL, and bulk GaAs on annealing temperature, obtained at under the excitation power of .
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