Fig. 5

TEM images of (a) Mn2O3 nanoparticles without plasma treatment, (b) Mn2O3 under influence of plasma for t = 2 min, (c) Mn2O3 under influence of plasma for t = 7 min, (d) Mn2O3 under influence of plasma for t = 14 min.

TEM images of (a) Mn2O3 nanoparticles without plasma treatment, (b) Mn2O3 under influence of plasma for t = 2 min, (c) Mn2O3 under influence of plasma for t = 7 min, (d) Mn2O3 under influence of plasma for t = 14 min.