[1] Maness P Smolinski S, Blake D, Huang Z, Wolfrum E, Jacoby W 1999 Appl. Environ. Microb. 65 4094
[2] Wu J, Lv X, Zhang L, Xia Y, Huang F, Xu F 2009 J. Alloys Compd. 496 1
[3] Regan B O, Gratzel M 1991 Nature 353 737
[4] Hu L H, Dai S Y, Wang K J 2005 Acta Phys Sin 54 1914 (in Chinese) [胡林华, 戴松元, 王孔嘉 2005 物理学报 54 1914]
[5] Danion A, Disdier J, Guillard C, Abdelmalek F, Jaffrezic Renault N 2004 Appl. Catal. B: Environ. 52 213
[6] Esquivel K, Arriaga L, Rodriguez F, Martinez L, Godinez L 2009 Water Res. 43 3593
[7] Moon J, Park J, Lee S, Zyung T, Kim I 2010 Sens. Actuators B: Chem. 149 301
[8] Asahi R, Taga Y,Mannstadt W, Freeman A J 2000 Phys. Rev. B 61 7459
[9] Tang H, Prasad K, Sanjines R, Schmid P E, Levy F 1994 J. Appl. Phys. 75 2042
[10] Liu X D, Jiang E Y, Li Z Q, Song Q G 2008 Appl. Phys. Lett. 92 252104
[11] Furubayashi Y, Hitosugi T, Yamamoto Y, Inaba K, Kinoda G, Hirose Y, Shimada T, Hasegawa T 2005 Appl. Phys. Lett. 86 252101
[12] Zhang S X, Kundaliya D C, Yu W, Dhar S, Young S Y, Riba L G S, Ogale S B, Vispute R D, Venkatesan T 2007 J. Appl. Phys. 102 013701
[13] Zhang R S, Liu Y, Teng F 2012 Acta Phys. Sin. 61 392 (in Chinese) [章瑞铄, 刘涌, 滕繁 2012 物理学报 61 392]
[14] Luo X D, Di G Q 2012 Acta Phys. Sin. 61 391 (in Chinese) [罗晓东, 狄国庆 2012 物理学报 61 391]
[15] Hitosugi T, Furubayashi Y, Ueda A, Itabashi K, Inaba K, Hirose Y, Kinoda G, Yamamoto Y, Shimada T, Hasegawa T 2005 Jpn. J. Appl. Phys. 44 L1063
[16] Gupta R K, Ghosh K, Mishra S R, Kahol P K 2008 Appl. Surf. Sci. 254 4018
[17] Yamada N, Hitosugi T, Hoang N L H, Furubayashi Y, Hirose Y, Shimada T, Hasegawa T 2007 Jpn. J. Appl. Phys. 46 5275
[18] Yamada N, Hitosugi T, Hoang N L H, Furubayashi Y, Hirose Y, Konuma S, Shimada T, Hasegawa T 2008 Thin Solid Films 516 5754
[19] Hitosugi T, Kamisaka H, Yamashita K, Nogawa H, Furubayashi Y, Nakao S, Yamada N, Chikamatsu A, Kumigashira H, Oshima M, Hirose Y, Shimada T, Hasegawa T 2008 Appl. Phys. Exp. 1 111203
[20] Patra A, Friend C S, Kapoor R, Prasad P N 2003 Chem. Mater. 15 3650
[21] Lee W E, Fang Y K, Ho J J, Chen C Y, Chiou L H, Wang S J, Dai F, Heieh T, Tsai R Y, Huang D, Ho F C 2002 Solid State Electron 46 477
[22] Tak Y H, Kim K B, Park H G, Lee K H, Lee J R 2002 Thin Solid Films 411 12
[23] Miao W, Li X, Zhang Q, Huang L, Zhang Z, Zhang L, Yan X 2006 Thin Solid Films 500 70
[24] Daude N, Gout C, Jouanin C 1977 Phys. Rev. B 15 3229
[25] Park S M, Ikegami T, Ebihara K, Shin P K 2006 Appl. Surf. Sci. 253 1522
[26] Yasuhiro I, Hirokazu K 2001 Appl. Surf. Sci. 169 508
[27] Zhang S X, Dhar S, Yu W, Xu H, Ogale S B, Venkatesan T 2007 Appl. Phys. L 91 112
[28] Yong T K, Tou T Y, Teo B S 2005 Appl. Surf. Sci. 248 388
[29] Sheng P, Abeles B, Arie Y 1973 Phys. Rev. Lett. 31 44
[30] Efros A L, Shklovskii B I 1975 J. Phys. C 8 L49
[31] Mott N F, Davis E A 1979 Calendon Press Oxford
[32] Yildiz A, Lisesivdin S B, Kasap M, Mardare D 2009 Physica B 404 1423
[33] Mott N F 1968 J. Non-Cryst. Solids 1 1