Research Article
Luminescence Properties of CaF2 Nanostructure Activated by Different Elements
Figure 7
SEM images of (a) pure and Dy doped nanostructures of CaF2 sample ((b) 0.05, (c) 0.1, (d) 0.2, (e) 1, and (f) 2 mole%).
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |
| (a) |
| (b) |
| (c) |
| (d) |
| (e) |
| (f) |