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We present a theoretical study of quantum charge pumping with a single acgate applied to graphene nanoribbons and carbon nanotubes operating with lowresistance contacts. By combining Floquet theory with Green's functionformalism, we show that the pumped current can be tuned and enhanced by up totwo orders of magnitude by an appropriate choice of device length, gate voltageintensity and driving frequency and amplitude. These results offer a promisingalternative for enhancing the pumped currents in these carbon-based devices.

Enhancing single-parameter quantum charge pumping in carbon-based devices