Sol--gel synthesis of fine-particle superconducting oxide, YBa/sub 2/Cu/sub 3/O/sub 7-//sub x/
Journal Article
·
· J. Mat. Res.; (United States)
OSTI ID:7127822
A sol--gel method of preparing fine-particle superconducting oxide YBa/sub 2/Cu/sub 3/O/sub 7-//sub x/ was developed. Single-phase superconducting oxide YBa/sub 2/Cu/sub 3/O/sub 7-//sub x/ formed at temperatures as low as 750 /sup 0/C. The particle size obtained by this method was found to be less than or equal to0.2 ..mu..m. Pellets sintered from these sol--gel powders exhibited very sharp resistivity drops at T/sub c/ = 90 /sup 0/C with a ..delta..T/sub c/ of approx.3 /sup 0/K.
- Research Organization:
- Materials Research Laboratory, The Pennsylvania State University, University Park, Pennsylvania 16802
- OSTI ID:
- 7127822
- Journal Information:
- J. Mat. Res.; (United States), Journal Name: J. Mat. Res.; (United States) Vol. 3:5; ISSN JMREE
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
DIFFRACTION
ELECTRON MICROSCOPY
MATERIALS
MICROSCOPY
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PARTICLES
PELLETS
SCANNING ELECTRON MICROSCOPY
SCATTERING
SINTERED MATERIALS
SIZE
SOL-GEL PROCESS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COHERENT SCATTERING
COPPER COMPOUNDS
COPPER OXIDES
CRYSTAL STRUCTURE
DIFFRACTION
ELECTRON MICROSCOPY
MATERIALS
MICROSCOPY
OXIDES
OXYGEN COMPOUNDS
PARTICLE SIZE
PARTICLES
PELLETS
SCANNING ELECTRON MICROSCOPY
SCATTERING
SINTERED MATERIALS
SIZE
SOL-GEL PROCESS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES