Electrical properties and phase stability in the high oxygen conducting system Bi sub 2 O sub 3 -Y sub 2 O sub 3 -Nb sub 2 O sub 5
Thesis/Dissertation
·
OSTI ID:5941263
Bi{sub 2}O{sub 3} in its defect fluorite structure exhibits exceptional oxygen conductivity behavior. The conductivity and phase equilibria was investigated for the Bi{sub 2}O{sub 3} - Y{sub 2}O{sub 3} - Nb{sub 2}O{sub 5} ternary system over a range of compositions of {ge} 76 mol% Bi{sub 2}O{sub 3}. The relative stability of a fluorite structure where it exists metastably was also investigated. Reactions between the Bi{sub 2}O{sub 3} based electrolytes with their platinum electrodes were found which greatly affected the conductance.
- Research Organization:
- Ohio State Univ., Columbus, OH (USA)
- OSTI ID:
- 5941263
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CRYSTAL STRUCTURE
ELECTRICAL PROPERTIES
ELECTRODES
ELECTROLYTES
ELEMENTS
METALS
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PLATINUM
PLATINUM METALS
REFRACTORY METAL COMPOUNDS
STABILITY
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
360202 -- Ceramics
Cermets
& Refractories-- Structure & Phase Studies
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
BISMUTH COMPOUNDS
BISMUTH OXIDES
CHALCOGENIDES
CHEMICAL COMPOSITION
CRYSTAL STRUCTURE
ELECTRICAL PROPERTIES
ELECTRODES
ELECTROLYTES
ELEMENTS
METALS
NIOBIUM COMPOUNDS
NIOBIUM OXIDES
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
PLATINUM
PLATINUM METALS
REFRACTORY METAL COMPOUNDS
STABILITY
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES