Heat capacity of the high-temperature superconductor Ba/sub 2/DyCu/sub 3/O/sub 7/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
The high-temperature superconductor Ba/sub 2/DyCu/sub 3/O/sub 7/ has been prepared, and characterized by electrical resistivity and dc magnetic susceptibility measurements. The heat capacity has been measured by an adiabatic calorimeter between 14 and 300 K. A typical second-order type of anomaly is observed due to the superconducting phase transition at 92.5 K. The heat-capacity jump at the transition point is obtained as 3.7 x JK/sup -1/ mol/sup -1/ which leads to the electronic heat-capacity coefficient ..gamma.. of 28 mJ K/sup -2/ mol/sup -1/ in the weak-coupling limit of the Bardeen-Cooper-Schrieffer theory.
- Research Organization:
- Research Laboratory of Engineering Materials, Tokyo Institute of Technology, 4259 Nagatsuta-cho, Midori-ku, Yokohama 227, Japan
- OSTI ID:
- 5679927
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 37:1; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Fri May 01 00:00:00 EDT 1987
· Phys. Rev. B: Condens. Matter; (United States)
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Wed Dec 31 23:00:00 EST 1986
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OSTI ID:6597703
Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
BCS THEORY
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DATA
DYSPROSIUM COMPOUNDS
DYSPROSIUM OXIDES
EXPERIMENTAL DATA
INFORMATION
LOW TEMPERATURE
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MEDIUM TEMPERATURE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SPECIFIC HEAT
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VERY LOW TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
BCS THEORY
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
DATA
DYSPROSIUM COMPOUNDS
DYSPROSIUM OXIDES
EXPERIMENTAL DATA
INFORMATION
LOW TEMPERATURE
MAGNETIC PROPERTIES
MAGNETIC SUSCEPTIBILITY
MEDIUM TEMPERATURE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE EARTH COMPOUNDS
SPECIFIC HEAT
SUPERCONDUCTORS
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
VERY LOW TEMPERATURE