Figure 12
From: Phase Transformation and Intense 2.7 μm Emission from Er3+ Doped YF3/YOF Submicron-crystals
The 1.5 μm emission of xEr3+ (x = 2, 4, 6, 8 mol%) doped YOF submicron-crystals (calcined at 1100°C for 2 h).
Inset: Er3+ concentration dependence of the peak intensity of the 1.5 μm emission.
