Figure 2

FESEM images of MgO film surfaces for (a) the as-deposited sample (b) thermal annealed sample (c) the sample with CF4 plasma treatment. (The scale of the normal FESEM images (a) and (b) is the same as (c)).

FESEM images of MgO film surfaces for (a) the as-deposited sample (b) thermal annealed sample (c) the sample with CF4 plasma treatment. (The scale of the normal FESEM images (a) and (b) is the same as (c)).