Fig. 1. Normalized PL spectra for the three annealed samples with annealing temperatures of 650 °C (A0), 700 °C (A1), and 750 °C (A2) at 20 K.

Applied Science and Convergence Technology 2023;32:12~15 https://doi.org/10.5757/ASCT.2023.32.1.12

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