ZHOU Guo-xiong, ZHAO Wei-ren, SONG En-hai, DOU Xi-hua, YI Chun-yu, ZHOU Min-kang. Preparation and Luminescence Characteristics of White-Light Emitting Ca9.95-xNa0.75K0.25(PO4)7∶Eu2+0.05, Mn2+x Phosphors[J]. Spectroscopy and Spectral Analysis, 2011, 31(8): 2058