Substitution priority of Eu2+ in multi-cation compound Sr0.8Ca0.2Al2Si2O8 and energy transfer |
(color online) (a) XRD patterns and (b) the detailed XRD patterns ranging from 35° to 36.4° of as-prepared samples SCAS: xEu2+ (x = 0, 0.1%, 1%, 3%, 5%, 7%, 8%, and 10%). The standard data for SrAl2Si2O8 (JCPDS 38-1454) is shown as a reference. |