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Oxygen Permeable Properties of Ce0.8Gd0.2O1.9 - MFe2O4 Composite Thin Films Prepared by a Chemical Solution Deposition Method

Published online by Cambridge University Press:  01 February 2011

Isao Kagomiya ,
Takashi Iijima  and
Hitoshi Takamura
Isao Kagomiya
Affiliation:
Research Institute Instrumental Frontier, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1–1–1, Umezono, Tsukuba 305–8568, Japan Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency (JST), 2–1–13, Higashi-Ueno, Taito-ku, Tokyo 110–0015, Japan
Takashi Iijima
Affiliation:
Research Institute Instrumental Frontier, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1–1–1, Umezono, Tsukuba 305–8568, Japan
Hitoshi Takamura
Affiliation:
Department of Materials Science, Graduate School of Engineering, Tohoku University, Aoba 6–6–02, Sendai 980–8579, Japan
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Abstract

Ce0.8Gd0.2O1.9 (CGO) - MFe2O4 (M=divalent cation) is a composite-type oxygen-ionic and electronic mixed conductor. Dense nanocrysalline CGO-CoFe2O4 thin films with a thickness of approximately 1 μm were prepared on CGO porous substrates by a chemical solution spin-coating method. The oxygen permeable flux of the thin film was investigated in temperature range of 700°C - 800°C without physical leak of N2 gas. The permeable flux depends on the measuring time, when the measuring temperature was kept at 750°C before increasing to 800°C. This fact suggests that the O2 permeable properties were affected by a slight change of the film morphology and the crystallinity.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 835: Symposium K – Solid-State Ionics , 2004 , K2.7
Copyright
Copyright © Materials Research Society 2005

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References

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