Facile synthesis and magnetic properties of manganese dioxide nanowires

Figures & data

Figure 1. (a) XRD patterns of the MnO₂ nanowires and (b) SEM image of the MnO₂ nanowires.

Figure 2. (a) TEM image of a large area of MnO₂ nanowires; (b) TEM image of a individual MnO₂ nanowire; (c) EDS spectrum of the MnO₂ nanowires; and (d) HRTEM image of the MnO₂ nanowire.

Figure 3. (a) Temperature dependence of magnetisation measured under a field-cooled mode at the temperature range from 80 to 300 K and (b) (colour online) magnetic hysteresis loop of MnO₂ nanowires measured at 300, 150, and 80 K, respectively.

Figure 4. Discharge capacities of the MnO₂ nanowires over the first 25 cycles.