| Issue |
Europhys. Lett.
Volume 38, Number 5, May II 1997
|
|
|---|---|---|
| Page(s) | 353 - 358 | |
| Section | Condensed matter: structure, thermal and mechanical properties | |
| DOI | https://doi.org/10.1209/epl/i1997-00103-6 | |
| Published online | 01 September 2002 | |
Heat capacity of 3-He in Vycor glass
Physikalisches Institut, Universität Bayreuth - D-95440 Bayreuth, Germany
Received:
23
January
1997
Accepted:
7
April
1997
We have measured the heat capacity of 
confined in porous Vycor glass
at temperatures from 10 to 500 mK and pressures from 0 to 28 bar.
No significant change of the Fermi temperature or other size-effect
corrections to the heat capacity of the liquid part in the center of
the Vycor pores have been found.
A broad heat capacity peak from the surface layer appears below 50 mK
due to the ordering of spins in amorphous solid 
. Replacing all the surface
by 
removes this contribution and thus reveals the linear heat capacity of
confined liquid alone.
PACS: 67.55.Cx – Thermodynamic properties / 67.70.+n – Films (including physical adsorption) / 67.80.Gb – Thermal properties
© EDP Sciences, 1997
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