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Electrical properties of novel mixed-conducting oxides

  • Solid-state Ionics
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Abstract

Zirconia-titania-yttria oxide solutions are novel mixed-electrical conductors in which both oxygen-ions and electrons are mobile. A determination of their electrical properties is necessary for an evaluation of their potential applications. Single-phase oxide solutions have been prepared and characterized. Phase studies indicates extensive solid solution of titania into zirconia stabilized with 12 mol % yttria. The observed decrease in lattice parameter with increasing titania concentration in these oxide solutions indicates that titanium cations substitute for the zirconium cations in the fluorite lattice. The lattice and grain-boundary electrical conductivities have been determined using impedance spectroscopy at temperatures between 400 and 950 °C.

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Authors and Affiliations

  1. Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street, 19104, Philadelphia, PA, USA

    S. S. Lion & W. L. Worrell

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  1. S. S. Lion
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  2. W. L. Worrell
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Lion, S.S., Worrell, W.L. Electrical properties of novel mixed-conducting oxides. Appl. Phys. A 49, 25–31 (1989). https://doi.org/10.1007/BF00615461

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  • DOI: https://doi.org/10.1007/BF00615461

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