Figure 1
From: Cobalt and Nickel Nanopillars on Aluminium Substrates by Direct Current Electrodeposition Process
ESEM images of a template before and after the complete removal of the oxide barrier layer from the pore bottom tips.a Cross-section of an AAO film before the removal of alumina barrier layer;b Magnified view of the area marked ina with awhite rectangle;c Pore bottom detail on which we can see how the pore bottoms are opened as a whole after the process described has been carried out (thewhite arrowheads indicate the pore bottom tips)