Fig. 3. (Color online) (a) FTIR spectra of the CaTiO₃:Eu³⁺ powders at different Eu³⁺ doping concentration and (b) annealing temperatures.

New Phys.: Sae Mulli 2022;72:504~511 https://doi.org/10.3938/NPSM.72.504

© NPSM