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Figure 7 | Nanoscale Research Letters

Figure 7

From: AFM, SEM and TEM Studies on Porous Anodic Alumina

Figure 7

a FESEM images with dull stripes of PAA fabricated in 0.3 M oxalic acid under 40 V for 2 h and post-treated in 5 wt% H3PO4 at 30°C for 40 min, b and c blurry FESEM images of cross-section and top view of PAA fabricated in 0.3 M oxalic acid under 40 V and 0°C for 5 h

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