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Figure 2 | Nanoscale Research Letters

Figure 2

From: Nanoscale measurement of the power spectral density of surface roughness: how to solve a difficult experimental challenge

Figure 2

PSD curves calculated from the topographic images shown in Figure 1. The graphs show the logarithm of the PSD of surface roughness plotted versus the logarithm of the inverse length scale. The thinner lines correspond to the PSD curves of the individual images shown in Figure 1, the thicker line to a master curve as described in the main text. The grid lines for the PSD graphs are Δlog[κ] = 1 (horizontal axis) and Δlog[PSD] = 1 (vertical axis).

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