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Resolution: standard / high Figure 3.
FESEM images of TiO2 nanotubes fabricated in EG containing 0.5 wt% NH4F and 0.2 wt% H2O via second-step anodization: (a) top surface view at low magnification, (b) top surface view at high magnification, (c) cross-sectional view.
Ali et al. Nanoscale Research Letters 2011 6:332 doi:10.1186/1556-276X-6-332 |
