Environmental and solvent effects on yttrium barium cuprate (Y sub 1 Ba sub 2 Cu sub 3 O sub x )

Conference · Wed Jul 01 04:00:00 EDT 1987 · Advanced Ceramic Materials; (USA)

OSTI ID:5122889

Frase, K G; Liniger, E G; Clarke, D R ^[1]

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1. IBM, Yorktown Heights, NY (USA)

Water is shown to have a highly detrimental effect on powders of the yttrium barium cuprate (Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub x}) superconducting compound. The effect is particularly pronounced in the case of immersion in water, in which hydroxide corrosion products are rapidly produced. The superconducting material appears to be completely unstable in the presence of strong acids and bases. In addition to chemical reactions with the powders, the presence of humidity appears to promote slow crack growth in the material. Powders of the Y{sub 1}Ba{sub 2}Cu{sub 3}O{sub x} compound are observed to undergo surface reduction at 100{degree}C in the presence of certain organic solvents. The powder can be regenerated by annealing in oxygen. No such effect was observed upon the removal of organic solvents by evaporation at room temperature.

• OSTI ID: 5122889
• Report Number(s): CONF-8704372--
• Conference Information: Journal Name: Advanced Ceramic Materials; (USA) Journal Volume: 2:3B
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360205* -- Ceramics
Cermets
& Refractories-- Corrosion & Erosion
656100 -- Condensed Matter Physics-- Superconductivity
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALKALINE EARTH METAL COMPOUNDS
ANNEALING
BARIUM COMPOUNDS
BARIUM OXIDES
CERAMICS
CHALCOGENIDES
CHEMICAL REACTIONS
COPPER COMPOUNDS
COPPER OXIDES
CORROSION
CORROSION PRODUCTS
CORROSIVE EFFECTS
CRACK PROPAGATION
HEAT TREATMENTS
HYDROGEN COMPOUNDS
HYDROXIDES
ORGANIC SOLVENTS
OXIDES
OXYGEN COMPOUNDS
PERFORMANCE
POWDERS
SOLVENTS
SUPERCONDUCTORS
TRANSITION ELEMENT COMPOUNDS
WATER
YTTRIUM COMPOUNDS
YTTRIUM OXIDES