Abstract
The site-selective excitation and emission spectroscopy and luminescence decay (lifetime) have been investigated in the region using a pulsed, tunable, and narrowband dye laser. We observed two crystallographic sites for in and one crystallographic site for in . The stark energy levels for at different sites were assigned from site-selective emission spectra. The luminescent properties of the as- synthesized samples were also investigated, which showed strong lines at in excitation spectra and intensive red emission, indicating that they could be used as red components for white LEDs.
© 2011 Optical Society of America
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