Figure 3From: Enhanced Field Emission from Argon Plasma-Treated Ultra-sharp α-Fe2O3Nanoflakesa TEM image of the α-Fe2O3nanoflake before plasma treatment,b High-resolution TEM image ofa,c TEM image of the α-Fe2O3nanoflake after plasma treatment.Inset ofc shows the high-resolution TEM image thehighlighted partBack to article page