[1] [1] Qiu W, Kang Y L, Li Q. Applied Physics Letters, 2008, 92(4): 041906.

[2] [2] Li Q, Kang Y L, Qiu W. Nanotechnology, 2011, 22(22): 225704.

[3] [3] Ward Y, Young R J, Shatwell R A. Journal of Materials Science, 2004, 39(22): 6781.

[4] [4] Prasithphol W, Young R J. Journal of Materials Science, 2005, 40(20): 5381.

[5] [5] Lei Z K, Qiu W, Kang Y L. Composites Part A, 2008, 39(1): 113.

[6] [6] Liu L, Ma P C, Xu M, et al. Composites Science and Technology, 2012, 72(13): 1548.

[7] [7] Gao Y, Li L Y, Tan P H, et al. Chinese Science Bulletin, 2010, 55(35): 3978.

[8] [8] Cooper C A, Young R J, Halsall M. Composites Part A, 2001, 32(3-4): 401.

[9] [9] Cronin S B, Swan A K, Unlu M S. Physical Review B, 2005, 72(3): 035425.

[10] [10] Frogley M D, Zhao Q, Wagner H D. Physical Review B, 2002, 65(11): 113413.

[11] [11] Qiu W, Kang Y L, Lei Z K. Journal of Raman Spectroscopy, 2010, 41(10): 1216.