Figure 1 | Scientific Reports

Figure 1

From: Application of sodium-ion-based solid electrolyte in electrostatic tuning of carrier density in graphene

Figure 1

(a) Scanning electron microscope image of the surface of a hand-polished Nasicon type solid electrolyte substrate. Inset: photo of a hand-polished Na+-SE substrate. (b) Resistance variation of a single-layer graphene sheet with back gate voltage. The arrows in the figure indicate the direction of the voltage sweeping. The dashed line at zero gate voltage describes the evolution of the sample resistance during the relaxation of the accumulated sodium ions at the solid electrolyte/graphene interface.

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