Fig. 1. XRD patterns of MCNO films prepared at different deposition temperatures.

Fig. 2. AFM images of MCNO films deposited at （a）500 ℃, （b）550 ℃, （c）600 ℃, （d）650 ℃, （e）700 ℃

Fig. 3. Relations between electrical resistivity ρ and temperature T of MCNO films. The inset describes the electrical resistivity vs the deposition temperature, testing at 300 K.

Fig. 4. Plots of lnW vs lnT for MCNO films of different deposition temperatures.

Fig. 5. Plots of ln(ρ/T)vs 1000/T ^0.5 (a), and 1000/T (b) for MCNO films of different deposition temperatures.

Fig. 6. Temperature dependence of magnetization (M-T) for MCNO films under 10 000 Oe recorded in FC mode

Fig. 7. Plots of the reciprocal magnetization vs temperature for MCNO films under 10 000 Oe recorded in FC mode