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

Figure 3

FESEM images for sample C under the magnification of (a) 500, (b) 1,000, (c) 5,000, and (d) 15,000 and for sample D under the magnification of (e) 150, (f) 1,000, (g) 5,000, and (h) 20,000.

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