Table 4: Donor and acceptor density of the oxide films formed on UB6 stainless steel at different temperatures between 20 and 80°C.

Temperature (1020·cm−3) (1020·cm−3) (µF·cm−2) (µF·cm−2) (nm) (nm)

20°C5.542.0324.6620.890.670.66
40°C9.333.9520.6129.550.660.46
60°C10.34.7118.636.520.600.37
80°C24.35.6017.075.210.570.18