Color Centers Formation in Lithium Fluoride Nanocubes Doped with Different Elements

Figure 3

XRD pattern of the as-synthesized nanocubes of (a) pure LiF and Eu doped samples at different concentrations: (b) 0.1 mole%, (c) 0.2 mole%, (d) 0.5 mole%, and (e) 1 mole%.