Figure 2 | Scientific Reports

Figure 2

From: In-situ terahertz optical Hall effect measurements of ambient effects on free charge carrier properties of epitaxial graphene

Figure 2

Best-match model results for sheet carrier density N s and mobility μ as a function of time. The shaded regions correspond to exposure to different types of gas at various relative humidities (RH). The flow rate of 0.5 liters/minute at normal pressure is constant for all exposure phases. Error bars for the best-match model parameters are shown here for each data point as vertical lines. Solid lines depict single-process exponential decay functions, for which rate constants and equilibrium parameters are given in the text.

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