3He-4He Mixtures in 95% Porous Aerogel

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

doi:10.1023/a:1022575303949

³He-⁴He Mixtures in 95% Porous Aerogel

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

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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 language	English (US)
Pages (from-to)	585-590
Number of pages	6
Journal	Journal of Low Temperature Physics
Volume	110
Issue number	1-2
DOIs	https://doi.org/10.1023/a:1022575303949
State	Published - 1998

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics
General Materials Science
Condensed Matter Physics

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title = "3He-4He Mixtures in 95% Porous Aerogel",

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.",

author = "Jongsoo Yoon and Norbert Mulders and Chan, {Moses H.W.}",

year = "1998",

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AU - Yoon, Jongsoo

AU - Mulders, Norbert

AU - Chan, Moses H.W.

PY - 1998

Y1 - 1998

N2 - 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.

AB - 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.

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JO - Journal of Low Temperature Physics

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ER -

³He-⁴He Mixtures in 95% Porous Aerogel

Abstract

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