Published April 1995
| Version v1
Journal article
Superfluid density and heat capacity measurements of 4He in porous gold
Description
Superfluid density of full pore 4He as well as thin film 4He confined in porous gold were measured as a function of temperature. The superfluid transition temperature of full pore was found to be 2.156 K. In both cases power law dependence on reduced temperature was found and the exponent was found to be the same as that of bulk 4He. Porous gold is made by electrochemically leaching out silver from silver-gold alloy. The porous gold sample the authors fabricated has porosity of 55 with a diameter of 250 angstrom. Electron microscope picture shows that the structure of porous gold is exceedingly similar to that of Vycor. Heat capacity measurement of full pore 4He in porous gold is in progress
Additional details
Publishing Information
- Journal Title
- Bulletin of the American Physical Society
- Journal Volume
- 40
- Journal Issue
- 2
- Journal Page Range
- p. 1048c.
- ISSN
- 0003-0503
- CODEN
- BAPSA6
Conference
- Title
- 1993 joint meeting of the American Physical Society and the American Association of Physics Teachers.
- Dates
- 12-15 Apr 1993.
- Place
- Washington, DC (United States).
INIS
- Country of Publication
- United States
- Country of Input or Organization
- United States
- INIS RN
- 28004093
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Resource subtype / Literary indicator
- Conference
- Descriptors DEI
- DENSITY; GOLD; HELIUM 4; POROUS MATERIALS; SPECIFIC HEAT
- Descriptors DEC
- ELEMENTS; EVEN-EVEN NUCLEI; HELIUM ISOTOPES; ISOTOPES; LIGHT NUCLEI; MATERIALS; METALS; NUCLEI; PHYSICAL PROPERTIES; STABLE ISOTOPES; THERMODYNAMIC PROPERTIES; TRANSITION ELEMENTS
Optional Information
- Secondary number(s)
- CONF-9304297--.