3He-4He Mixtures in 95% Porous Aerogel

Jongsoo Yoon, Norbert Mulders, Moses H.W. Chan

Research output: Contribution to journalArticle

8 Scopus citations

Abstract

Torsional oscillator measurements of 3He-4 He mixtures in 95% porous aerogel found a phase diagram similar to that in 98% porous aerogel. The coexistence boundary on the 3He rich side resides very close to, but nevertherless is detached from the superfluid transition line. Together with the findings in 98%, 87%, and 99.5% porous aerogel, this result supports the interpretation that the phase separation of 3He-4 He mixture in aerogel is induced by the capillary condensation of 4He films from neighboring silica strands into 4He rich domains.

Original languageEnglish (US)
Pages (from-to)585-590
Number of pages6
JournalJournal of Low Temperature Physics
Volume110
Issue number1-2
DOIs
StatePublished - 1998

All Science Journal Classification (ASJC) codes

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

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