1. S.J. Pearton, D.P. Norton, K. Ip, Y.W. Heo, T. Steiner, Prog. Mater. Sci. 3, 50 (2005)
2. C.F. Wan, H.R. Tan, S.M. Jin, H.M. Yang, M.T. Tang, J. He, Mater. Sci. Eng. B 3, 150 (2008)
3. D.W. Kang, S.H. Kuk, K.S. Ji, H.M. Lee, M.K. Han, Sol. Energy Mater. Sol. Cells 1, 95 (2011)
4. W.M. Tsang, F.L. Wong, M.K. Fung, Thin Solid Flims 2, 517 (2008)
5. R.B.H. Tahar, J. Eur. Ceram. Soc 14, 25 (2005)