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Wyatt AF, Klier J. Model for the extreme wetting hysteresis of liquid helium on cesium. Phys Rev Lett. 2000;85(13):2769-72doi: 10.1103/PhysRevLett.85.2769.
Wyatt, A. F., & Klier, J. (2000). Model for the extreme wetting hysteresis of liquid helium on cesium. Physical review letters, 85(13), 2769-72. https://doi.org/10.1103/PhysRevLett.85.2769
Wyatt, and Klier. "Model for the extreme wetting hysteresis of liquid helium on cesium." Physical review letters vol. 85,13 (2000): 2769-72. doi: https://doi.org/10.1103/PhysRevLett.85.2769
Wyatt AF, Klier J. Model for the extreme wetting hysteresis of liquid helium on cesium. Phys Rev Lett. 2000 Sep 25;85(13):2769-72. doi: 10.1103/PhysRevLett.85.2769. PMID: 10991229.
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Phys Rev Lett. 2000 Sep 25;85(13):2769-72. doi: 10.1103/PhysRevLett.85.2769.

Model for the extreme wetting hysteresis of liquid helium on cesium.

Physical review letters

Wyatt, Klier

Affiliations

  1. Department of Physics, University of Exeter, Exeter EX4 4QL, United Kingdom.

PMID: 10991229 DOI: 10.1103/PhysRevLett.85.2769

Abstract

Although the liquid- 4He-cesium system is a nearly ideal one for studying wetting phenomena, it can show extreme hysteresis which is profoundly nonideal in behavior. It is suggested that this is due to the roughness of these Cs surfaces. We show that stable micropuddles of liquid 4He can form in shallow cavities on a Cs surface. It is the potential to form micropuddles, as the liquid tries to recede, which pins the contact line due to the large energy needed to create the surface of a micropuddle. This model also accounts for the memory that these surfaces have of being in contact with liquid 4He.

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