Abstract:Single-common-gate quadruple-dot single-electron devices with asymmetric gate capacitances (C g ) can transfer a single electron to a negativebiased electrode by alternating only one gate voltage. The pumping is possible for non-monotonic C g distributions such as saw-toothed and various random C g distributions, though the C g distributions of the previously reported common-gate triple-dot pumping devices are limited to monotonic ones. The maximum absolute value of negative-biasing voltage against which a sin… Show more
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