Influence of Al
3+
doping on the energy levels and thermal property of the 3.5MgO·0.5MgF
2
·GeO
2
:Mn
4
+ red-emitting phosphor
Yuan Lin-lin, Xiao-Song Zhang, Xu Jian-Ping, Sun Jian, Jin Han, Liu Xiao-Juan, Li Lin-Lin, Li Lan†
The SEM images and EDS spectra of the samples at Al
2
O
3
content values of 0, 0.05, 0.1, and 0.15 mol.