Luminescence Performance of Yellow Phosphor Sr_xBa_1−xTiO₃: Eu³⁺, Gd³⁺ for Blue Chip

Figure 7

The Sr_xBa_1−xTiO₃: Eu³⁺ (Sr : Ba = 1 : 0, 4 : 1, 3 : 2, 2 : 3, 1 : 4) XRD patterns.