Analysis of Eu³⁺ Emission from Mg₂TiO₄ Nanoparticles by Judd-Ofelt Theory

Table 2

Intensity parameters, radiative and nonradiative emission probabilities, quantum efficiencies, and asymmetry ratios of Eu³⁺ emission from Mg₂TiO₄ nanoparticles prepared at different temperatures from 400°C to 650°C.

(°C)	(10^−20 cm^−2)	(10^−20 cm^−2)	(s^−1)	(s^−1)	(%)
400	5.23	2.94	309.68	1435.51	17.75	3.22
450	8.80	4.50	487.37	862.15	36.11	5.46
500	10.71	5.08	577.53	644.96	47.24	6.65
550	11.42	5.30	609.79	562.53	52.01	7.10
600	12.46	6.23	671.20	475.58	58.53	7.75
650	12.24	5.88	654.54	520.54	55.70	7.60