{sup 3}He melting pressure thermometry
Journal Article
·
· Journal of Low Temperature Physics
- Univ. of Florida, Gainesville, FL (United States); and others
High-precision measurements of the {sup 3}He melting pressure versus temperature have been made from 500 {mu}K to 25 mK using a {sup 60}Co nuclear orientation primary thermometer and a Pt NMR susceptibility secondary thermometer. Temperatures for the fixed points on the melting curve are: the superfluid A transition T{sub A}=2.505 mK, the A-B transition T{sub AB}=1.948 mK, and the solid ordering temperature T{sub N}=0.934 mK. These fixed points and a functional form for P(T) constitute a convenient temperature scale, based on a primary thermometer, usable to well below 1 mK.
- Sponsoring Organization:
- USDOE
- OSTI ID:
- 198186
- Report Number(s):
- CONF-950676--
- Journal Information:
- Journal of Low Temperature Physics, Journal Name: Journal of Low Temperature Physics Journal Issue: 1-2 Vol. 101; ISSN JLTPAC; ISSN 0022-2291
- Country of Publication:
- United States
- Language:
- English
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