An introduction to GaAs multiplexed electron pump arrays

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• Mr Teng Yi, Department of Physics, University of Cambridge, UK
• Wednesday 06 December 2017, 14:15-15:00
• Mott Seminar Room (Mott Building Room 531), Cavendish Laboratory.

If you have a question about this talk, please contact Dr Kaveh Delfanazari.

Single electron pumps can transport electrons one at a time at high speed. Moving individual electrons at a known rate through a circuit using these devices gives a very precise standard of current.

Multiplexer architecture allows the measurement of a large number of electron pumps to be carried out in a single cooldown using a limited number of lines. Rectified current can mask the phenomenon of single electron features, especially in the wide channel electron pump devices.

I will present the preliminary results of GaAs multiplexed electron pump arrays and our model to explain the rectified current.

This talk is part of the Semiconductor Physics Group Seminars series.

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