Preparation of dense, ultra-thin MIEC ceramic membranes by atmospheric spray-pyrolysis technique

A. Abrutis*, A. Teiserskis, G. Garcia, V. Kubilius, Z. Saltyte, Z. Salciunas, V. Faucheux, A. Figueras, S. Rushworth

*Corresponding author for this work

Research output: Contribution to journalArticleResearchpeer-review

25 Citations (Scopus)


Dense ceramic mixed ionic and electronic conducting membranes have been deposited by atmospheric spray-pyrolysis technique onto porous ceramic substrates. Perovskite oxide layers, i.e. manganites La1-xSr xMnO3, ferrites La1-xSrxFe 1-y(Co,Ni)yO3, gallates La1-xSr xGa1-y(Co,Ni,Fe)yO3, cobaltites La1-xSrxCoO3 and related perovskites such as lanthanum nickelate La2NiO4 layers have been prepared. The structure, morphology and composition of the layers were characterised by XRD, SEM and WDS, respectively. Density and gas tightness of the layers were studied as a function of deposition process parameters, film thickness (from ∼0.5 to ∼3 μm) and preparation procedure. The presence of cracks and defects due to thermo-mechanical stresses applied during or after the preparation process were correlated with the membrane composition and the corresponding thermal expansion coefficient differences between substrates and membranes.

Original languageEnglish
Pages (from-to)113-122
Number of pages10
JournalJournal of Membrane Science
Issue number1-2
Publication statusPublished - 1 Sept 2004


  • MIEC
  • Mixed ionic and electronic conductors
  • Oxygen conducting membranes
  • Spray-pyrolysis
  • Thin films


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