Beijing Jiaotong Univ, Inst Optoelect Technol, Minist Educ, Key Lab Luminescence & Opt Informat, Beijing 100044, Peoples R China
; Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China
Article; Proceedings Paper
The absorption of the BO3 groups ransed from 120 to 170 nm. Main peak of the host absorption moves about 30 nm to high-energy region as Sr2+ replaces Ba2+ partially. The charge transfer band of Eu3+ can be enhanced by codoping Al3+ ion into the LnZr(BO3)(2) lattices. The PL spectra show an intense and sharp red emission (616 nm) from Eu3+ (D-5(0) -> F-7(2)) and sharp green (546 nm) from Tb3+ (D-5(4) -> F-7(5)) transition under 147 nm excitation. (c) 2006 Elsevier B.V. All rights reserved.