Imaging of a suspended helium film with 2-D electrons by interferometry

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1998
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Valkering, Annemarie
Klier, Jürgen
Teske, Ekkehard
van der Heijden, R. W.
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Journal of Low Temperature Physics. 1998, 113(5-6), pp. 1115-1120. ISSN 0022-2291. eISSN 1573-7357. Available under: doi: 10.1023/A:1022537308297
Zusammenfassung

A helium film suspended between elevations on a substrate forms an excellent surface for a two-dimensional electron gas. With the structure on the substrate a quasi one-dimensional electron system can be created. Experiments probing the electrical transport properties of this system have raised questions about the suspended helium film itself. We report measurements of the suspended film using interferometry. The profile is mapped out as a function of the bulk helium level beneath the substrate. By measuring the electron signal simultaneously the relation between the signal and the film profile can be obtained.

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ISO 690VALKERING, Annemarie, Jürgen KLIER, Ekkehard TESKE, R. W. VAN DER HEIJDEN, Paul LEIDERER, 1998. Imaging of a suspended helium film with 2-D electrons by interferometry. In: Journal of Low Temperature Physics. 1998, 113(5-6), pp. 1115-1120. ISSN 0022-2291. eISSN 1573-7357. Available under: doi: 10.1023/A:1022537308297
BibTex
@article{Valkering1998Imagi-4871,
  year={1998},
  doi={10.1023/A:1022537308297},
  title={Imaging of a suspended helium film with 2-D electrons by interferometry},
  number={5-6},
  volume={113},
  issn={0022-2291},
  journal={Journal of Low Temperature Physics},
  pages={1115--1120},
  author={Valkering, Annemarie and Klier, Jürgen and Teske, Ekkehard and van der Heijden, R. W. and Leiderer, Paul}
}
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