Figure 3 | Scientific Reports

Figure 3

From: Ultrathin Carbon with Interspersed Graphene/Fullerene-like Nanostructures: A Durable Protective Overcoat for High Density Magnetic Storage

Figure 3

STM images.

Samples S-3 [(a–f)] and S-2 [(g–i)] for topographical analysis. (a) The size of STM image in (a) is 300 × 300 nm2. (b) and (c) are the close-up STM images. (d), (e) and (f) are the STM topographical images of sample S-3 after annealing at 573 K in UHV. (d) The size of the STM image in (d) is 300 × 300 nm2. (e) and (f) are the close-up STM image. (g) The size of STM image in (g) is 300 × 300 nm2. (h) and (i) are the close-up STM images. (j), (k) and (l) are RMS histograms of the surfaces in (a), (d) and (g), respectively. All the STM images were recorded at similar conditions (It = 0.5–1 nA, Vg = 1 ~ 3 V).

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