Figure 3.

aTEM image of the α-Fe2O3nanoflake before plasma treatment,bHigh-resolution TEM image ofa,cTEM image of the α-Fe2O3nanoflake after plasma treatment.Insetofcshows the high-resolution TEM image thehighlightedpart

Zheng et al. Nanoscale Research Letters 2009 4:1115-1119   doi:10.1007/s11671-009-9363-1