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Paper presents the synthesis of single crystalline α-Si 3 N 4 nanowires and the comparison of their photoluminescence spectra between room (298K) and low temperature (77K) under excitation with 362nm. The emission spectrum obtained at temperature 77K consists of three sharp lines peaked at 389nm (3.19eV), 410nm (3.02eV), and 434nm (2.86eV). However, the PL spectrum at room temperature...
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