Effect of Si and SiO₂ Substrates on the Geometries of As-Grown Carbon Coils

Figure 4

FESEM images for sample E under the magnification of (a) 300, (b) 1,000, (c) 5,000, and (d) 20,000 and for sample F under the magnification of (e) 300, (f) 1,000, (g) 5,000, and (h) 20,000.

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