Author:
Di Bartolomeo Elisabetta,D'Epifanio Alessandra,Yang Nan,Tebano Antonello,Balestrino Giuseppe,Licoccia Silvia
Abstract
Epitaxial heterostructures consisting of an yttrium doped barium cerate (BCY) layer sandwiched between two yttrium doped barium zirconate (BZY) thin layers have been deposited on insulating (001) MgO substrates by pulsed laser deposition. The first BZY layer was aimed at improving the lattice match with the MgO substrate, the second at protecting the BCY layer. Ionic conductivity has been studied in the 300 – 600 °C temperature range as a function of the BCY thickness. Due to the absence of blocking grain boundaries, heterostructures showed a conductivity larger than that of BCY pellets sintered under optimized conditions.
Publisher
The Electrochemical Society
Cited by
2 articles.
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