Observation of one electron charge in an enhancement-mode InAs single electron transistor at 4.2K

Details Observation of one electron charge in an enhancement-mode InAs single electron transistor at 4.2K Observation of one electron charge in an enhancement-mode InAs single electron transistor at 4.2K

2005-09-28

arxiv.org/abs/cond-mat/0509752v1

Physics

Condensed Matter

Other Condensed Matter

5 figures

Scientific paper

10.1063/1.2202100

We propose and demonstrate experimentally a novel design of single-electron quantum dots. The structure consists of a narrow band gap quantum well that can undergo a transition from the hole accumulation regime to the electron inversion regime in a single-top-gate transistor configuration. We have observed large size quantization and Coulomb charging energies over 10meV. This quantum dot design can be especially important for scalable quantum computing.

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