Sol-Gel Derived Eu³⁺-Doped Gd₂Ti₂O₇ Pyrochlore Nanopowders

Figure 7

(a) Luminescence decay curves of ⁵D₀ level ( = 588 nm, = 393 nm) for Gd₂Ti₂O₇: at.% Eu³⁺ ( = 0.5; 1; 3; 5; 7; 10) samples and (b) change of ⁵D₀ level lifetime with doping concentration.

(a)

(b)