Influences of A-site partial substitution for BaCo0.7Fe0.3O3 oxide on perovskite structure and oxygen permeability

Kazuya Kinoshita, Hajime Kusaba, Go Sakai, Kengo Shimanoe, Norio Miura, Noboru Yamazoe

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8 Citations (Scopus)


Oxygen permeation property of A-site partially substituted barium cobaltites, A′xBa1-xCo0.7Fe0.3 O3-δ (A′ = Ba, Pr, Gd, Dy, Y and Yb), were examined. Substitution of Ba by Dy, Y or Yb was found to stabilize cubic perovskite structure even when x remained as small as 0.05. As a result, oxygen permeation through the disks made of these oxides appeared at temperature lower than 500 °C, and reached fairly high levels at elevated temperature.

Original languageEnglish
Pages (from-to)344-345
Number of pages2
JournalChemistry Letters
Issue number3
Publication statusPublished - Mar 5 2002

All Science Journal Classification (ASJC) codes

  • Chemistry(all)

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