Preparation of Oxygen Permeable Thin Films on YSZ Porous Substrates

• Takahashi Hiroo

  Department of Materials Science, Graduate School of Engineering, Tohoku University

• Takamura Hitoshi

  Department of Materials Science, Graduate School of Engineering, Tohoku University

• Okada Masuo

  Department of Materials Science, Graduate School of Engineering, Tohoku University

Abstract

Mixed oxide-ion and electronic conductive thin films with the composition of (Ce_0.85Sm_0.15)O_2−δ-15 vol%MnFe₂O₄ (CSO-MFO) were prepared on porous yttria stabrized zirconia substrates by a spin coating process, and their oxygen permeation flux densities were measured. The porous substrates were prepared from ZrO₂-3 mol%Y₂O₃ (3YSZ)-33 vol%carbon and NiFe₂O₄. 3YSZ porous substrates were obtained from 3YSZ-33 vol%carbon by sintering at 1350°C under Ar for 5 h and following oxidation at 800°C under air for 2 h. For 3YSZ-33 vol%NiFe₂O₄, the optimum condition was sintering at 1400°C under air for 5 h and following reduction at 800°C under H₂ for 2 h. A CSO-MFO film was prepared by a spin coating process on the substrate. The thickness of the CSO-MFO was approximately 150 nm. Oxygen flux density of the CSO-MFO sample was found to be 8.9×10⁻⁸ mol·cm⁻²·s⁻¹.

Journal

• MATERIALS TRANSACTIONS

  MATERIALS TRANSACTIONS 49 (3), 453-456, 2008

  The Japan Institute of Metals and Materials

Keywords

• oxygen permeable ceramics
• porous substrate
• spin coating process
• ceria

Details

• CRID: 1390282679226367232
• NII Article ID: 10021144653
• NII Article ID: 130004453928
• NII Book ID: AA1151294X
• DOI: 10.2320/matertrans.mbw200726
• ISSN: 13475320
• ISSN: 13459678
• NDL BIB ID: 9412908
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I9412908
• Web Site: https://www.jstage.jst.go.jp/article/matertrans/49/3/49_MBW200726/_pdf
• Text Lang: en
• Data Source:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• Abstract License Flag: Disallowed