Effect of Europium Valence on the Luminescent Properties of Sr2MgSi2O7:Eu
WU Hao-Yi, HU Yi-Hua, CHEN Li, WANG Xiao-Juan
Acta Phys. -Chim. Sin. . 2011, (05): 1201 -1206 .  DOI: 10.3866/PKU.WHXB20110523