[1] Thangavel R, Sabarinathan V, Ramasamy S, et al. Materials Letters, 2007, 61: 4090.
[2] Basri S H, Sarjidan M A M, Majid W H A. Advanced Materials Research, 2014, 895: 250.
[3] Zhang Y, Nayak T R, Hong H, et al. Curr. Mol. Med., 2013, 13(10): 1633.
[4] Tang Z K, Wong G K L, Yu P, et al. Appl. Phys. Lett., 1998, 72: 3270.
[5] Alenezi M R, Henley S J, Emersona N G, et al. Nanoscale, 2014, 6: 235.
[6] Maiti U N, Ghosh P K, Nandy S, et al. Physica B: Condensed Matter, 2007, 387: 103.
[7] Catto A C, da Silva L F, Bernardi M I B, et al. Journal of Nanoparticle Research, 2014, 16: 2760.
[8] Cuscó R, Alarcón-Lladó E, Ibáez J, et al. Phys. Rev. B, 2007, 75: 165.
[9] Meyer B K, Alves H, Hofmann D M, et al. Physica Status Solidi (B), 2004, 241: 231.
[11] Kennedy J, Murmu P P, Manikandan E, et al. Journal of Alloys and Compounds, 2014, 616: 614.
[12] Teke A, zgür ü, Doan S, et al. Phys. Rev. B, 2004, 70: 195207 .
[13] zgür , Alivov Y I, Liu C, et al. Journal of Applied Physics, 2005, 98: 041301.
