Photoluminescence Spectroscopic Study of BaMgAl₁₀O₁₇:Eu Phosphor Coated with CaF₂ via a Sol-Gel Process

Table 2

The chromaticity coordinates of the 0.6 wt%  CaF₂-coated BAM and raw BAM.

	Before heat treatment		After heat treatment
	Raw	0.6 wt%	Raw	0.6 wt%
𝑥	0.14	0.14	0.14	0.14
𝑦	0.09	0.10	0.13	0.11