Phase diagram of the screened two-dimensional electron crystal

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222_physicaB_1998.pdf
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1998
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Mistura, Giampaolo
Neser, Stephan
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Zusammenfassung

The melting line of the two-dimensional crystal formed by surface electrons above liquid helium films adsorbed on PMMA has been mapped out by means of a microwave cavity technique at temperature above 1 K. The influence of the dielectric substrate on such a transition has been measured at different temperatures and at various helium film thickness. The results are found to be in good agreement with existing theories. In general, screening reduces the stability range of the Wigner crystal in the phase diagram of the surface electrons.

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530 Physik
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Wigner solid, screening, liquid helium
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ISO 690MISTURA, Giampaolo, Stephan NESER, Paul LEIDERER, 1998. Phase diagram of the screened two-dimensional electron crystal. In: Physica / B [Condensed Matter]. 1998, 249-251, pp. 640-643. Available under: doi: 10.1016/S0921-4526(98)00277-4
BibTex
@article{Mistura1998Phase-9262,
  year={1998},
  doi={10.1016/S0921-4526(98)00277-4},
  title={Phase diagram of the screened two-dimensional electron crystal},
  volume={249-251},
  journal={Physica / B [Condensed Matter]},
  pages={640--643},
  author={Mistura, Giampaolo and Neser, Stephan and Leiderer, Paul}
}
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