[1] Huang L H, Liu X R, Xu W, et al. J. Appl. Phys., 2001, 90(11): 5550.
[2] Man S O, Pun E Y B, Chung P S. J. Appl. Phys., 2000, 77(4): 483.
[3] Malta O L, Brito H F, Menezes J F S, et al. J. Lumin., 1997, 75: 255.
[4] Xiao S G, Yang X L, Liu Z W, et al. Chinese Journal of Lasers. 2002, 11(4): 286.
[5] Luo X X, Cao W H. Journal of Materials Research, 2008, 23(7): 2078.
[6] Du Y P, Zhang Y W, Sun L D, et al. The Journal of Physical Chemistry C, 2008, 112(15): 405.
[7] Vetrone F, Mahalingam V, Capobianco J A. Chemistry of Materials, 2009, 21(10): 1847.
[9] Li Y H, Hong G Y. J. Solid State Chem., 2005. 178: 645.
[10] Bai Y F, Wang Y X, Yang K, et al. Optics Communications, 2008, 281(4): 5448.
[11] Su Y G, Li L P, Li G S. Chem. Mater., 2000, 20: 6060.