[1] Bronold M, Kubala S. Thin Solid Films, 1997, 304: 178.
[2] Ennaoui A, Fiechter S, Pettenkofer Ch, et al. Solar Energy Materials and Solar Cells, 1993, 29(4): 289.
[3] Ennaoui A, Fiechter S, Goslowsky H, et al. Electrochem. Soc., 1985, 132(7): 1579.
[4] Ferrer I J, Nevskaia D M, Heras C de Las, et al. Solid State Communications, 1990, 74(9): 913.
[5] Nakamula S Y K, Yamamoto A. Solid Energy Materials and Solar Cells, 2001, 65: 79.
[6] Seehra S S, Montano P A, Seehra M S, et al. Journal of Material Science, 1979, 15: 2673.
[7] Brikholz M, Lichtenberger D. Solar Energy Materials and Solar Cells, 1992, 27(1): 243.
[9] Oertel J, Ellmer K. Journal of Crystal Growth, 1999, 199: 1205.
[12] Ferrer I J, Sanchez C. Journal of Applied Physics, 1991, 70(5): 2641.
[13] Takahashi N, Yatomi T, Nakamura T. Solid State Science, 2004, 6(11): 1269.
[14] Fiechter S. Solar Energy Materials and Solar Cells, 2004, 83(4): 459.
[15] Ferrer I J, Cballero F, C de las Heras, et al. Solid State Communications, 1994, 89(4): 349.
[16] Ferrer I J, C de las Heras, Sanchez C. J. Phys.: Condens Matter, 1995, 7(17): 2115.