[1] [1] Ray S K, Maikap S, Banerjee W, et al. J. Phys. D: Appl. Phys., 2013, 46: 153001.

[2] [2] Patrice Miska, Manuel Dossot, Thi D Nguyen, et al. J. Phys. Chem. C, 2010, 114: 17344.

[3] [3] Jayatilleka H, Diamare D, Wojdak M, et al. Journal of Applied Physics, 2011, 110: 033522.

[4] [4] Lu Peng, Wang Xiaotong, Yang Shengzhi, et al. Chin. Sci. Bull., 2014, 59(34): 4758.

[5] [5] Lin L H, Sun X Z, Tao R, et al. Journal of Applied Physics, 2011, 110(7): 073109.

[6] [6] Katerina Kusova, Lukas Ondic, Eva Klimesova, et al. Applied Physics Letters, 2012, 101: 143101.

[7] [7] Viktor Danko, Katerina Michailovska, Ivan Indutnyi, et al. Nanoscale Research Letters, 2014, 9: 165.

[8] [8] Lin Gongru, Pai Yihao, Lin Chengtao, et al. Applied Physics Letters, 2010, 96: 263514.

[9] [9] Sombrio G, Franzen P L, Maltez R L, et al. Journal of Physics D: Applied Physics, 2013, 46: 235106.

[10] [10] Sain B, Das D. Phys. Chem. Chem. Phys., 2013, 15: 3881.

[11] [11] Wang Minghua, Li Dongsheng, Yuan Zhizhong, et al. Applied Physics Letters, 2007, 90: 131903.

[12] [12] Nadjet Hafsi, Hachemi Bouridah, Mahmoud Riad Beghou, et al. Journal of Applied Physics, 2015, 117: 063105.

[13] [13] Hakim Haoues, Hachemi Bouridah, Mahmoud Riad Beghoul, et al. Materials Science in Semiconductor Processing, 2013, 16: 1849.

[14] [14] Zeng Xiangbin, Liao Wugang, Wen Guozhi, et al. Journal of Applied Physics, 2014, 115: 154314.

[15] [15] Hartel A M, Gutsch S, Hiller D, et al. Physical Review B, 2012, 85: 165306.

[16] [16] Hartel A M, Gutsch S, Hiller D, et al. Physical Review B, 2013, 87: 035428.

[17] [17] Huang R, Song J, Wang X, et al. Optics Letters, 2012, 37(4): 692.

[18] [18] Kwack Ho-Sang, Sun Yuanping, Cho Yong-Hoon, et al. Applied Physics Letters, 2003, 83(14): 2901.

[19] [19] Park Nae-Man, Choi Chel-Jong, Seong Tae-Yeon, et al. Physcal Review Letters, 2001, 86(7): 1355.

[20] [20] Ma L B, Song R, Miao Y M, et al. Applied Physics Letters, 2006, 88: 093102.

[21] [21] Wen Xiaoming, Lap Van Dao, Peter Hannaford. Journal of Physics D: Applied Physics, 2007, 40: 3573.

[22] [22] Jacques I Pankore. Optical Processes in Semiconductors. New York: Dover, 1975.

[23] [23] Bisi O, Ossicini S, Pavesi L. Surface Science Reports, 2000, 38(1): 1.

[24] [24] Van Driel A F, Nikolaev I S, Vergeer P, et al. Physical Review B, 2007, 75: 035329.