Superconducting glass ceramics with T/sub c/ = 100 K based on the Bi-Pb-Sr-Ca-Cu-O system
Journal Article
·
· Appl. Phys. Lett.; (United States)
Superconducting glass ceramics of Bi/sub 0.8/Pb/sub 0.2/SrCaCu/sub 1.5/O/sub y/ (sample A) and BiPb/sub 0.2/SrCaCu/sub 1.5/O/sub y/ (sample B) have been prepared by using the melt quenching method. It was found that the volume fraction of the high T/sub c/ phases in sample A annealed at 830 or 840 /sup 0/C for 250 h was much higher than that in sample B. The annealed (840 /sup 0/C, 250 h) sample A exhibited superconductivity with a T/sub c/ (zero) of 100 K and a critical current density (77 K, zero magnetic field) of 120 A/cm/sup 2/.
- Research Organization:
- Department of Chemistry, Nagaoka University of Technology, Nagaoka 940-21, Japan
- OSTI ID:
- 6479769
- Journal Information:
- Appl. Phys. Lett.; (United States), Journal Name: Appl. Phys. Lett.; (United States) Vol. 54:12; ISSN APPLA
- Country of Publication:
- United States
- Language:
- English
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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
ANNEALING
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CERAMICS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
GLASS
HEAT TREATMENTS
HIGH TEMPERATURE
LEAD COMPOUNDS
LEAD OXIDES
LOW TEMPERATURE
OXIDES
OXYGEN COMPOUNDS
PEROVSKITES
PHYSICAL PROPERTIES
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
TYPE-II SUPERCONDUCTORS
VERY HIGH TEMPERATURE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BISMUTH COMPOUNDS
BISMUTH OXIDES
CALCIUM COMPOUNDS
CALCIUM OXIDES
CERAMICS
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
ELECTRIC CONDUCTIVITY
ELECTRIC CURRENTS
ELECTRICAL PROPERTIES
GLASS
HEAT TREATMENTS
HIGH TEMPERATURE
LEAD COMPOUNDS
LEAD OXIDES
LOW TEMPERATURE
OXIDES
OXYGEN COMPOUNDS
PEROVSKITES
PHYSICAL PROPERTIES
STRONTIUM COMPOUNDS
STRONTIUM OXIDES
SUPERCONDUCTIVITY
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
TYPE-II SUPERCONDUCTORS
VERY HIGH TEMPERATURE