[1] Bhattacharyya S R, Majumder S. Functional Materials Letters, 2010, 3 (2): 111.
[2] Zhou J C, Li L, Rong L Y, et al. International Journal of Modern Physics B, 2011, 25(20): 2741.
[3] Pearton S J, Lim W T, Wright J S, et al. Journal of Electronic Materials, 2008, 37(9): 1426.
[4] Mahajan J R. International Journal of Modern Physics B, 2011, 25(31): 4294.
[8] Yoshino K, Oyama S, Yoneta M. J Mater Sci: Mater Electron, 2008, 19: 203.
[9] Vashaei Z, Minegishi T, Suzuk i H, et al. J. Appl. Phys., 2005, 98: 4911.
[10] Cho J Y, Kim I K, Jung I O, et al. J. Electroceram, 2009, 23: 442.
[11] Nakamura A, Yamamoto K, Ishihara J, et al. Jpn. J. Appl. Phys., 2005, 44: 7267.
[12] Ji Z, Song Y, Xiang Y, et al. J. Cryst. Growth, 2004, 265: 537.
[13] Huang Q L, Fang L, Ruan H B, et al. Surface Review and Letters, 2011, 18(5): 189.