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Manganese-activated strontium hexa-aluminate (SrAl 12 O 19 ) phosphor has been prepared at low temperature (500°C) and in a very short time (<5min) by urea combustion route. Powder X-ray diffraction pattern showed the presence of hexagonal SrAl 12 O 19 phase. Scanning electron microscopy (SEM) indicated the presence of several particles with sizes of 200nm. The luminescence...
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