Synthesis and Optical Characterization of Europium Doped MY₂O₄ (M = Mg, Ca, and Sr) Nanophosphors for Solid State Lightening Applications

Table 2

Showing the calculated size of particles and structure of prepared MY₂O₄:Eu³⁺ nanophosphors.

Phosphor compound	2	Crystal size (nm)			Matched JCPDS file number	Crystalline structure
	All temperatures	600°C	800°C	1100°C
MgY2O4:Eu^3+	30.6	25.64	41.03	52.36	—	—
CaY2O4:Eu^3+	29.04	12.62	16.74	28.37	19–0265	—
SrY2O4:Eu^3+	29.04	7.67	19.35	32.38	32–1272	Orthorhombic