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. 2015 Jun 16;6:7447. doi: 10.1038/ncomms8447

Figure 3. Morphology evolution of haematite as a result of the re-growth treatments.

Figure 3

Scanning electron micrographs image of (a) sdH, (b) rgH I, (c) rgH II and (d) rgH III; scale bars, 100 nm. Magnified views of selected areas in the main frames are presented in the insets. Transmission electron micrographs of focused ion beam prepared cross-sectional samples of (e) sdH, (f) rgH I, (g) rgH II and (h) rgH III, scale bars, 500 nm.