3He film flow on a round rim beaker

  1. Get@NRC: 3He film flow on a round rim beaker (Opens in a new window)
DOIResolve DOI: http://doi.org/10.1007/BF00754714
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Journal titleJournal of Low Temperature Physics
Pages759788; # of pages: 30
AbstractThe superfluid properties of thin (100-150 nm) of3He were investigated by measuring the rate at which a beaker of liquid3He emptied itself through the adsorbed film, with the film thickness δ decreasing as the level dropped. A beaker rim with a semicircular cross-section was used to provide a well defined geometry and to avoid the effects of small scratches that may have affected earlier experiments. The film thicknesses were determined by Atkins' oscillaton measurements of4He films on the same surface. The superfluid transition temperature in the film Tc F was suppressed below the bulk value Tc B, and was close to being described by 2δ/ξ(Tc F) = π, as expected for A-phase. The critical current density was more than an order of magnitude smaller than expected for pair-breaking. When a4He monolayer was adsorbed on the substrate, there was no suppresson of Tc F. © 1994 Plenum Publishing Corporation.
Publication date
AffiliationNRC Institute for Microstructural Sciences; National Research Council Canada
Peer reviewedYes
NPARC number21274615
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Record identifier66dffa78-b364-4292-93d5-f049b4f23cbb
Record created2015-03-18
Record modified2016-05-09
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