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Eu 3+ -doped Y 2 O 3 @SiO 2 systems were synthesized using yttrium oxide and TEOS in order to produce glass ceramic nanoparticles. The glass ceramic phosphor system was prepared taking into account two methodologies: the first one (PS) using the crystallized ceramic added into the SiO 2 sol, and the second one (SS) crystallizing the Y 2 O 3 :Eu...
Luminescent properties of single and co-doped samples of sol–gel polycrystalline BaTiO 3 with trivalent Er 3+ and Yb 3+ ions are reported. Under 520nm pumping, visible radiative emission from 2 H 7/2 , 4 S 3/2 → 4 I 15/2 , and 4 F 9/2 → 4 I 15/2 ; and near infrared emission from 4 S ...
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