Substitution priority of Eu2+ in multi-cation compound Sr0.8Ca0.2Al2Si2O8 and energy transfer
Yang Zhi-Ping, Li Zhen-Ling, Wang Zhi-Jun †, Li Pan-Lai ‡, Tian Miao-Miao, Cheng Jin-Ge, Wang Chao
       

(color online) Photographs of the fabricated warm white-LEDs driven by 350 mA current (x = 3%, 5%, 7%, 8%, and 10%).