First dc measurements of electrons on liquid helium : the Helium-FET

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2000
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Klier, Jürgen
Doicescu, Irena
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We present the first dc-measurements on a 2-dimensional (2D) electron system floating above a liquid 4He-film which covers a structured metal surface. With our arrangement of a source-, gate-, and drain-electrode a 2-dimensional charge transport is realized in analogy to a field-effect-transistor. The electrons which are moving along the x-direction due to different dc potentials are directly measured. This dc current, of the order of pA, is strongly dependent on the applied split-gate voltage. So the electrons were laterally confined to a narrow channel between the two gate electrodes. The effective width of the channel is reduced by the gate potential, so that a quasi-1D configuration can be realized. The measured electron current through the split-gate is analyzed and discussed on grounds of reduced dimensionality and 1D electron transport behaviour.

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ISO 690KLIER, Jürgen, Irena DOICESCU, Paul LEIDERER, 2000. First dc measurements of electrons on liquid helium : the Helium-FET. In: Journal of Low Temperature Physics. 2000, 121(5-6), pp. 603-608. ISSN 0022-2291. eISSN 1573-7357. Available under: doi: 10.1023/A:1017567611934
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@article{Klier2000First-9186,
  year={2000},
  doi={10.1023/A:1017567611934},
  title={First dc measurements of electrons on liquid helium : the Helium-FET},
  number={5-6},
  volume={121},
  issn={0022-2291},
  journal={Journal of Low Temperature Physics},
  pages={603--608},
  author={Klier, Jürgen and Doicescu, Irena and Leiderer, Paul}
}
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