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Journal article

Low-Temperature Superionic Conductivity in Strained Yttria-Stabilized Zirconia

From

Aarhus University1

Linköping University2

Thermo Ceramics, Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark3

Fuel Cells and Solid State Chemistry Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark4

Risø National Laboratory for Sustainable Energy, Technical University of Denmark5

Metal Structures in Four Dimensions, Materials Research Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark6

Materials Research Division, Risø National Laboratory for Sustainable Energy, Technical University of Denmark7

Very high lateral ionic conductivities in epitaxial cubic yttria-stabilized zirconia (YSZ) synthesized on single-crystal SrTiO3 and MgO substrates by reactive direct current magnetron sputtering are reported. Superionic conductivities (i.e., ionic conductivities of the order 1 -1cm-1) are observed at 500 °C for 58-nm-thick films on MgO.

The results indicate a superposition of two parallel contributions - one due to bulk conductivity and one attributable to conduction along the film-substrate interface. Interfacial effects dominate the conductivity at low temperatures (

Language: English
Publisher: WILEY‐VCH Verlag
Year: 2010
Pages: 2071-2076
ISSN: 16163028 and 1616301x
Types: Journal article
DOI: 10.1002/adfm.201000071
ORCIDs: Pryds, Nini

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