Electrical conductivity of zirconia stabilized with scandia and yttria
Journal Article
·
· Journal of the American Ceramic Society; (United States)
- Akita Univ., Akita (Japan). Dept. of Materials Engineering and Applied Chemistry
- Tosoh Co., Tsukuba (Japan). Tsukuba Research Lab.
Electrical conductivity of zirconia stabilized with scandia and yttria (Sc[sub 2]O[sub 3] + Y[sub 2]O[sub 3] = 8 mol%) has been measured by the complex impedance method in the temperature range 573 to 1,173 K. With increasing Sc[sub 2]O[sub 3] concentration, electrical conductivity increases at temperatures above 640K, but it decreases below this temperature. Electrical conductivity in the electrolytes examined is a result of two processes: an activation energy of 59 to 79 kJ/mol predominant at high temperatures and an activation energy of 109 to 125 kJ/mol predominant at low temperatures.
- OSTI ID:
- 6050179
- Journal Information:
- Journal of the American Ceramic Society; (United States), Journal Name: Journal of the American Ceramic Society; (United States) Vol. 76:3; ISSN 0002-7820; ISSN JACTAW
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ACTIVATION ENERGY
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DATA
DIFFRACTION
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY
EXPERIMENTAL DATA
GRAIN SIZE
IMPEDANCE
INFORMATION
MATERIALS
METALLOGRAPHY
METALLURGICAL EFFECTS
MICROSTRUCTURE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SCANDIUM COMPOUNDS
SCANDIUM OXIDES
SCATTERING
SIZE
STABILIZATION
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE
TEMPERATURE RANGE 0400-1000 K
TETRAGONAL LATTICES
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES
360204* -- Ceramics
Cermets
& Refractories-- Physical Properties
ACTIVATION ENERGY
CHALCOGENIDES
COHERENT SCATTERING
CRYSTAL LATTICES
CRYSTAL STRUCTURE
CUBIC LATTICES
DATA
DIFFRACTION
DOPED MATERIALS
ELECTRIC CONDUCTIVITY
ELECTRICAL PROPERTIES
ENERGY
EXPERIMENTAL DATA
GRAIN SIZE
IMPEDANCE
INFORMATION
MATERIALS
METALLOGRAPHY
METALLURGICAL EFFECTS
MICROSTRUCTURE
NUMERICAL DATA
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
SCANDIUM COMPOUNDS
SCANDIUM OXIDES
SCATTERING
SIZE
STABILIZATION
TEMPERATURE DEPENDENCE
TEMPERATURE RANGE
TEMPERATURE RANGE 0400-1000 K
TETRAGONAL LATTICES
TRANSITION ELEMENT COMPOUNDS
X-RAY DIFFRACTION
YTTRIUM COMPOUNDS
YTTRIUM OXIDES
ZIRCONIUM COMPOUNDS
ZIRCONIUM OXIDES