[1] [1] Zhao L, Diao H W, Zeng X B, et al. Physica B, 2010, 405(1): 61.

[2] [2] Barro R, Gandia J J. Solar Energy Materials and Solar Cells, 2010, 94(2): 282.

[3] [3] Li Z, Zhang X W. Physica Status Solidi A, 2010, 207(1): 144.

[4] [4] Amor S B, Atyaoui M, Bousbih R. Solar Energy, 2014, 108: 126.

[5] [5] Amor S B, Bousbih R, Ouertani R. Solar Energy, 2014, 103: 12.

[7] [7] Tsu D V, Chao B S, Ovshinsky S R. Applied Physics Letters, 1997, 71: 1317.

[8] [8] Voyles P M, Abelson J R. Solar Energy Materials & Solar Cells, 2003, 78: 85.

[9] [9] Danesh P, Pantchev B, Antonova K. Journal of Physics D: Applied Physics, 2003, 37(2): 249.

[10] [10] Smets A H M, Matsui T, Kondo M. Applied Physics Letters, 2008, 92: 033506.

[12] [12] Schropp R E I, Li H. Thin Solid Films, 2008, 516: 6818.

[13] [13] Schropp R E I, Rath J K. Journal of Crystal Growth, 2009, 311: 760.

[14] [14] Kiriluk K G, Fields J D, Simonds B J. Applied Physics Letters , 2013, 102: 133101.