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Rietveld refinement of the powder XRD pattern of with , , and (observed—cross, calculated—line, and difference between observed and calculated—bottom line).
Effect of (a) the value , (b) the concentration on the emission peak of , and (c) the excitation and emission spectra of with different values . The emission spectrum was measured under the excitation, and the excitation spectrum was monitored at .
Temperature-dependent emission intensity and emission spectra of with varying (a) concentration, and (b) . The emission spectrum was measured under the excitation.
Emission spectra of white LEDs using a single with different emission wavelengths, showing that tunable white light can be created.
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