[1] Wu K, Cui J B, Kong X X, et al. J. Appl. Phys., 2011, 110(5): 3510.
[2] Wang Y, Liu K, Liu X M, et al. J. Phys. Chem. Lett., 2011, 2(17): 2083.
[3] Teshima K, Lee S H, Shikine N, et al. Cryst. Growth. Des., 2011, 11(4): 995.
[6] Chen S L, Stehr J, Koteeswara Reedy N, et al. Appl. Phys. B., 2012, 108(4): 919.
[7] Lu W Q, Fu C Y, Li R F, et al. Small, 2011, 7(21): 3046.
[8] Patra A, Friend C S, Kapoor R, et al. Appl. Phys. Lett., 2003, 83(2): 284.
[9] Gómez L A, Maciel G S, Araújo C B, et al. J. Appl. Phys., 2008, 103(5): 53507.
[10] Chen G Y, Somesfalean G, Liu Y, et al. Phys. Rev. B, 2007, 75(19): 5204.
[11] Xia X, Oldman R, Catlow R. Chem. Mater., 2009, 21(15): 3576.
[12] Amézaga-Madrid P, Hurtado-Macías A, Antúnez-Flores W, et al. Journal of Alloys and Compounds, 2012, 536S: S412.
[14] Amitava P, Christopher S F, Rakesh K, et al. J. Phys. Chem. B, 2002, 106(7): 1909.
[15] Fiorenzo V, Christopher B, John A C, et al. J. Phys. Chem. B, 2003, 107(5): 1107.
[16] Sun L, Yang C H, Li A H, et al. J. Appl. Phys., 2009, 105: 043512.