Photoluminescence Spectroscopic Study of BaMgAl<sub>10</sub>O<sub>17</sub>:Eu Phosphor Coated with CaF<sub>2</sub> via a Sol-Gel Process

<table>Emission spectra of 0.4 wt% CaF<sub>2</sub>-coated BAM and raw BAM. </table>

Journal of Spectroscopy

Figure 4: Photoluminescence Spectroscopic Study of BaMgAl<sub>10</sub>O<sub>17</sub>:Eu Phosphor Coated with CaF<sub>2</sub> via a Sol-Gel Process 