Photoluminescence tuning via cation substitution in oxonitridosilicate phosphors: DFT calculations, different site occupations, and luminescence mechanisms

Guogang Li, Chun Che Lin, Wei Ting Chen, Maxim S. Molokeev, Victor V. Atuchin, Chang Yang Chiang, Wuzong Zhou, Chin Wei Wang, Wen Hsien Li, Hwo Shuenn Sheu, Ting Shan Chan, Chonggeng Ma, Ru Shi Liu