Upper critical fields of high-T/sub c/ superconducting Y/sub 2-//sub x/Ba/sub x/CuO/sub 4-//sub y/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
We have measured the upper critical field B/sub c//sub 2/(T) of Y/sub 2-//sub x/Ba/sub x/CuO/sub 4-//sub y/ with x = 0.4 near T/sub c/ in dc fields up to 20 T and at 77 K with pulsed fields to 45 T. The data yield (dB/sub c//sub 2//dT)/sub T //sub = //sub T>c/ = 1.3 T/K and T/sub c/ = 89.5 K for the midpoint of the resistive transitions, and (dB/sub c//sub 2//dT)/sub T //sub = //sub T>c/ = 5 +- 1 T/K and T/sub c/ = 95.1 K for the onset. The estimates for B/sub c//sub 2/(0) range from 80 to 320 T. Pulsed-field data suggest that a fraction of the material is still superconducting above 45 T at 77 K.
- Research Organization:
- Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technolgy, Cambridge, Massachusetts 02139
- OSTI ID:
- 6089604
- Journal Information:
- Phys. Rev. B: Condens. Matter; (United States), Journal Name: Phys. Rev. B: Condens. Matter; (United States) Vol. 35:13; ISSN PRBMD
- Country of Publication:
- United States
- Language:
- English
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Tue Mar 31 23:00:00 EST 1987
· Phys. Rev. B: Condens. Matter; (United States)
·
OSTI ID:5828484
Superconducting properties of the Ba/sub 1-//sub x/Y/sub x/CuO/sub 3-//sub y/ system
Journal Article
·
Mon Jul 13 00:00:00 EDT 1987
· Appl. Phys. Lett.; (United States)
·
OSTI ID:6423120
Upper critical fields and anisotropy limits of high-T/sub c/ superconductors R/sub 1/Ba/sub 2/Cu/sub 3/O/sub 7-//sub y/, where R = Nd, Eu, Gd, Dy, Ho, Er, and Tm, and
Journal Article
·
Sat Aug 01 00:00:00 EDT 1987
· Phys. Rev. B: Condens. Matter; (United States)
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OSTI ID:5905551
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
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL FIELD
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
INFORMATION
LOW TEMPERATURE
MAGNETIC FIELDS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PULSES
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
TYPE-II SUPERCONDUCTORS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
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
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL FIELD
DATA
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
INFORMATION
LOW TEMPERATURE
MAGNETIC FIELDS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PULSES
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
TYPE-II SUPERCONDUCTORS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES