由于Ba的加入提高了荧光粉晶体结构对称性,抑制了其在617nm处5D0→7F2红光发射,由电偶极跃迁占主导转变为磁偶极跃迁占主导。
Due to the addition of Ba improves the phosphor powder crystal structure symmetry, inhibits the 5D0→7F2 at 617 nm red light emission, by the electric dipole transition leading into the magnetic dipole transition dominate.