High-T/sub c/ superconductivity in regions of possible compound formation: Y/sub 2-//sub x/Ba/sub x/CuO/sub 4-//sub x//sub /2+//sub delta/ and Y/sub 2-//sub x/Ba/sub 1+//sub x/Cu/sub 2/O/sub 6-//sub x//sub /2+//sub delta/
Journal Article
·
· Phys. Rev. B: Condens. Matter; (United States)
High-T/sub c/ superconductivity is investigated in the Y-Ba-Cu-O system. Regions of possible compound formation are Y/sub 2-//sub x/Ba/sub x/CuO/sub 4-//sub x//sub /2+//sub delta/ and Y/sub 2-//sub x/Ba/sub 1+//sub x/Cu/sub 2/O/sub 6-//sub x//sub /2+//sub delta/. T/sub c/ values >90 K are found for the former with x = 0.8 (the Chu material) and for the latter with x = 0.2 and may imply a common superconductivity phase in both samples. Critical fields determined by resistance and low-field d/sub c/ susceptibility measurements are reported.
- Research Organization:
- Materials Research Center, Northwestern University, Evanston, Illinois 60201
- OSTI ID:
- 6878729
- 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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Related Subjects
36 MATERIALS SCIENCE
360104* -- Metals & Alloys-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL FIELD
DATA
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
INFORMATION
LOW TEMPERATURE
MAGNETIC FIELDS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SCATTERING
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360104* -- Metals & Alloys-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL FIELD
DATA
DIFFRACTION
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
EXPERIMENTAL DATA
INFORMATION
LOW TEMPERATURE
MAGNETIC FIELDS
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SCATTERING
SUPERCONDUCTIVITY
THERMODYNAMIC PROPERTIES
TRANSITION ELEMENT COMPOUNDS
TRANSITION TEMPERATURE
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES