CrossRef 53. Dietl T, Ohno

H, Matsukura F, Cibert J, Ferrand D: Zener model description of ferromagnetism in zinc-blende magnetic semiconductors. Science 2000, 287:1019–1022.CrossRef 54. Liu H, Zhang X, Li L, Wang Y, Gao K, Li Z, Zheng R, Ringer S, Zhang B, Zhang X: Role of point defects in room-temperature ferromagnetism of Cr-doped ZnO. Appl Phys Lett 2007, 91:072511–SAHA HDAC cell line 072513.CrossRef 55. Li L, Liu H, Luo X, Zhang X, Wang W, Cheng Y, Song Q: Ferromagnetism in polycrystalline Cr-doped ZnO films: Selleck BI 10773 experiment and theory. Solid State Commun 2008, 146:420–424.CrossRef 56. Venkatesan M, Fitzgerald C, Lunney J, Coey J: Anisotropic ferromagnetism in substituted zinc oxide. Phys Rev Lett 2004, 93:177206–177209.CrossRef 57. Ueda K, Tabata H, Kawai T: Magnetic Necrostatin-1 order and electric properties of transition-metal-doped ZnO films. Appl Phys Lett 2001, 79:988–990.CrossRef 58. Jian W, Wu Z, Huang R, Chen F, Kai J, Wu C, Chiang S, Lan M, Lin J: Direct observation of structure effect on ferromagnetism in Zn 1- x Co x O nanowires. Phys Rev B 2006, 73:233308–233311.CrossRef 59. Ivill M, Overberg M, Abernathy C, Norton D, Hebard A, Theodoropoulou N, Budai J: Properties of Mn-doped Cu 2 O semiconducting thin films grown

by pulsed-laser deposition. Solid State Electron 2003, 47:2215–2220.CrossRef 60. Shuai M, Liao L, Lu H, Zhang L, Li J, Fu D: Room-temperature ferromagnetism in Cu + implanted ZnO nanowires. J Phys D 2008, 41:135010–135014.CrossRef 61. Wu H, Tsai C, Chen L: Room temperature ferromagnetism in Mn + -implanted Si nanowires. Appl Phys Lett 2007, 90:043121–043123.CrossRef 62. Jungwirth T, Wang K, Mašek J, Edmonds K, König J, Sinova J, Polini M, Goncharuk N, MacDonald A, Sawicki M: Prospects for high temperature ferromagnetism in (Ga, Mn) As semiconductors. Oxymatrine Phys Rev B 2005, 72:165204–165216.CrossRef

63. Choi HJ, Seong HK, Chang J, Lee KI, Park YJ, Kim JJ, Lee SK, He R, Kuykendall T, Yang P: Single-crystalline diluted magnetic semiconductor GaN: Mn Nanowires. Adv Mater 2005, 17:1351–1356.CrossRef 64. Reed M, El-Masry N, Stadelmaier H, Ritums M, Reed M, Parker C, Roberts J, Bedair S: Room temperature ferromagnetic properties of (Ga, Mn) N. Appl Phys Lett 2001, 79:3473–3475.CrossRef 65. Wang X, Feng Z, Fan D, Fan F, Li C: Shape-Controlled Synthesis of CdS Nanostructures via a solvothermal method. Cryst Growth Des 2010, 10:5312–5318.CrossRef 66. Gao T, Wang T: Two-dimensional single crystal CdS nanosheets: synthesis and properties. Cryst Growth Des 2010, 10:4995–5000.CrossRef 67. Gao T, Wang T: Catalyst-assisted vapor–liquid–solid growth of single-crystal CdS nanobelts and their luminescence properties. J Phys Chem B 2004, 108:20045–20049.CrossRef 68. Yang ZX, Zhong W, Deng Y, Au CT, Du YW: Design and synthesis of novel single-crystalline hierarchical CdS nanostructures generated by thermal evaporation processes. Cryst Growth Des 2011, 11:2172–2176.CrossRef Competing interests The authors declare that they have no competing interests.