Substrate Dependence of the Superfluid Onset of 4He Films

G. A. Csáthy, M. H.W. Chan

Research output: Contribution to journalArticle

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Abstract

We have performed torsional oscillator measurements of 4He films adsorbed on porous gold and gold preplated with Ar, Ne, D2. HD, and H2. On all substrates, the superfluid response is similar. The thickness of the non-superfluid layer as function of the substrate, however, increases monotonically with the well depth of the atom-sub strate interaction potential.

Original languageEnglish (US)
Pages (from-to)451-458
Number of pages8
JournalJournal of Low Temperature Physics
Volume121
Issue number5-6
StatePublished - Dec 1 2000

All Science Journal Classification (ASJC) codes

  • Atomic and Molecular Physics, and Optics
  • Materials Science(all)
  • Condensed Matter Physics

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    Csáthy, G. A., & Chan, M. H. W. (2000). Substrate Dependence of the Superfluid Onset of 4He Films. Journal of Low Temperature Physics, 121(5-6), 451-458.