[1] Hoppe H A. Angewandtl Chemic (International ed. In English), 2009, 48(20): 3572.

[3] He X H, Lian N, Sun J H, et al. Journal of Materials Science, 2009, 44(18): 4763.

[4] Xie R J, Hirosaki N. Science and Technology of Advanced Materials, 2007, 8(7-8): 588.

[5] Fang Z L. Physics and Advanced Technology, 2003, 32(5): 295.

[7] Chen C H, Chang S J, Su Y K, et al. IEEE Photonics Technol. Lett., 2002, 14(7): 908.

[8] Guo X, Shen G D, Guan B L, et al. Appl. Phys. Lett., 2008, 92(1): 013507.

[9] Park J K, Lim M A, Kim C H, et al. Appl. Phys. Lett., 2003, 82(5): 683.

[10] Allen S C, Steckl A J. Appl. Phys. Lett., 2008, 92(14): 143309.

[14] Sato Y, Takahashi N, Sato S. Jpn. J. Appl. Phys. Part 2, 1996, 35(7A): L838.

[15] Kuo C H, Sheu J K, Chang S J, et al. Jpn. J. Appl. Phys., 2003, 42(45): 2284.

[16] Kim J S, Jeon P E, Park Y H, et al. Appl. Phys. Lett., 2004, 85(17): 3696.

[17] Nishida T, Ban T, Kobayashi N. Appl. Phys. Lett., 2003, 82(22): 3817.