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. 2013 Jul 17;3:2208. doi: 10.1038/srep02208

Figure 4. AFM images showing the surface morphology of BFO thin films deposited on Pt/Ti/SiO2/Si substrates at 550°C (a) and 650°C (b), and on Pt/sapphire (c) and Pt/Ti/sapphire (d) substrates at 650°C.

Figure 4

The scanning area is 4 × 4 μm2, and the color scale on the right side is 200 nm.