Electrical conductivity of yttria-stabilized zirconia single crystals

The electrical conductivities of YSZ single crystals with various compositions covering (fully stabilized zirconia) (FSZ) and (partially stabilized zirconia) (PSZ) regions were measured by a complex impedance method and a four-probe a.c. method. The conductivities changed significantly as a function...

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Bibliographic Details
Published in:Journal of materials science 1985-12, Vol.20 (12), p.4593-4600
Main Authors: IKEDA, S, SAKURAI, O, UEMATSU, K, MIZUTANI, N, KATO, M
Format: Article
Language:English
Subjects:
Condensed matter: structure, mechanical and thermal properties
Diffusion in solids
Diffusion of other defects
Exact sciences and technology
Physics
Transport properties of condensed matter (nonelectronic)
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Summary:The electrical conductivities of YSZ single crystals with various compositions covering (fully stabilized zirconia) (FSZ) and (partially stabilized zirconia) (PSZ) regions were measured by a complex impedance method and a four-probe a.c. method. The conductivities changed significantly as a function of composition. A simple conduction model for PSZ showed that the tetragonal phase is a good oxygen ionic conductor having an activation energy for motion of approx 0.8-0.9 eV. It is promising for low temp. application of a solid state electrolyte. 27 ref.--AA
ISSN:0022-2461
1573-4803
DOI:10.1007/bf00559349