Cathodo-, Thermo-, and Photoluminescent Properties of Nano-Y₂O₃:Eu³⁺ Fabricated by Controlled Combustion Synthesis

Figure 11

Photoluminescent excitation spectra of Y₂O₃:5 mol% Eu³⁺. Curve 1: 900, curve 2: 700, and curve 3: 350°C.