Preparation of 90. Kappa. superconductor YBa/sub 2/Cu/sub 3/O/sub 7-. delta. / via oxide precursors BaCuO/sub 2/ and Y/sub 2/Cu/sub 2/O/sub 5/
Journal Article
·
· Materials Research Bulletin; (USA)
- Seoul National Univ. (Republic of Korea). Coll. of Natural Sciences
A new method that takes advantage of the phase diagram in the system Y/sub 2/O/sub 3/-BaO-CuO has been applied to prepare a single phase of the 90{Kappa} superconductor YBa/sub 2/Cu/sub 3/O/sub 7-{delta}/ from the oxide precursors BaCuO/sub 2/ and Y/sub 2/Cu/sub 2/O/sub 5/. Microstructural analysis proves that this precursor method would be a more effective synthetic route to prepare single-phase samples than the conventional method using Y/sub 2/O/sub 3/, BaCO/sub 3/ and CuO as starting reagents. Moreover, sintered pellets exhibits c-axis orientation.
- OSTI ID:
- 5372876
- Journal Information:
- Materials Research Bulletin; (USA), Journal Name: Materials Research Bulletin; (USA) Vol. 24:7; ISSN MRBUA; ISSN 0025-5408
- Country of Publication:
- United States
- Language:
- English
Similar Records
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Conference
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Thu Feb 28 23:00:00 EST 1991
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·
OSTI ID:5777904
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM CARBONATES
BARIUM COMPOUNDS
BARIUM OXIDES
CARBON COMPOUNDS
CARBONATES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FABRICATION
GRAIN ORIENTATION
MICROSTRUCTURE
ORIENTATION
OXIDES
OXYGEN COMPOUNDS
PHASE DIAGRAMS
PHYSICAL PROPERTIES
PRECURSOR
SINTERING
SUPERCONDUCTIVITY
SUPERCONDUCTORS
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
BARIUM CARBONATES
BARIUM COMPOUNDS
BARIUM OXIDES
CARBON COMPOUNDS
CARBONATES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
DIAGRAMS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
FABRICATION
GRAIN ORIENTATION
MICROSTRUCTURE
ORIENTATION
OXIDES
OXYGEN COMPOUNDS
PHASE DIAGRAMS
PHYSICAL PROPERTIES
PRECURSOR
SINTERING
SUPERCONDUCTIVITY
SUPERCONDUCTORS
SYNTHESIS
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES