参考文献/References:
[1] Service F R. Will UV lasers beat the blues? [J]. Science, 1997, 276: 895-897.
[2] Makino T, China C H, Nguen T T, et al. Radiative and nonradiative recombination processes in lattice-matched (Cd, Zn)O/(Mg, Zn)O multiquantum wells [J]. Appl Phys Lett, 2001, 77: 1632- 1634.
[3] Webb J B, Williams D F, Buchanan M. Transparent and highly conductive films of ZnO prepared by rf reactive magnetron sputtering [J]. Appl Phys Lett, 1981, 39: 640-645.
[4] Sato H, Minami T, Tamura Y, et al. Aluminium content dependence of milky transparent conducting ZnO: Al films with textured surface prepared by dc magnetron sputtering [J]. Thin Solid Films. 1994, 246: 86-91.
[5] Khare N, Kappers M J, Wei M, et al. Macmanus-driscoll, defect-induced ferromagnetism in Co-doped ZnO [J]. Adv Mater, 2006, 18: 1449-1452.
[6] Han Jiaping, Shen Mingrong, Cao Wenwu, et al. Hopping conduction in Mn-doped ZnO [J]. Appl Phys Lett, 2003, 82: 67-70.
[7] Hong Y W, Kim J H. The electrical properties of Mn3O4- doped ZnO [J]. Ceramics International, 2004, 30: 1301-1306.
[8] Kuo S T, Tuan W H, Shieh J, et al. Effect of Ag on the microstructure and electrical properties of ZnO [J]. J Eur Ceram Soc, 2007, 27: 4521-4526.
[9] Jayakumar O D, Gopalakrishnan I K, Kulshreshtha S K. The structural and magnetization studies of Co-doped ZnO co-doped with Cu: Synthesized by co-precipitation method [J]. J Mater Chem, 2005, 15: 3514-3518.
[10] Okutan M, Basaran E, Bakan H I, et al. AC conductivity and dielectric properties of co-doped TiO2 [J]. Physica B, 2005, 364: 300-305.
[11] Jonscher A K. The ‘universal’ dielectric response [J]. Nature, 1977, 267: 673-679.
[12] Jonscher A K. Dielectric relaxation in solid [M]. Lodon: Chelsea Dielectric Press, 1983: 1-6.
[13] Zaki H M. Temperature dependence of dielectric properties for copper doped magnetite [J]. J Alloys Compd, 2007, 439: 1-8.