4.6 Article

Ionic conduction in the SrTiO3|YSZ|SrTiO3 heterostructure

Journal

PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 15, Issue 13, Pages 4505-4509

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cp44399j

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Funding

  1. DFG (German Science Foundation) within the collaborative research center [SFB 917]

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Employing previously published experimental data, we analyse the enhanced conductivity of the heterostructure comprising yttria-stabilised zirconia (YSZ) and SrTiO3. We confirm that the heterostructure's conductivity arises from SrTiO3, and we conclude that it is exclusively ionic below T similar to 540 K. The calculated excess conductance from space-charge layers is found to be negligible.

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