Skip to main content
. 2015 Mar 13;5:9094. doi: 10.1038/srep09094

Figure 3. M-H loopes of Li, Na, K doped MnO2 nanotubes.

Figure 3

(a) M-H loops of K-MnO2 with different doping concentrations; (b) Narrow scale of M-H loops of 12 at% and 16 at% K doped MnO2; (c) M-H loops of Li-MnO2, Na-MnO2 and K-MnO2 taken at 40 K.