Research Article

Oxygen Defect-Mediated Magnetism in Fe-C Codoped TiO2

Figure 4

Hysteresis loops of the C doped TiO2 films, C doped TiO2 films (annealed in O2), Fe-C codoped TiO2 films, and Fe-C codoped TiO2 films (annealed in O2) at RT.