Preparation of oxygen permeable thin films on YSZ porous substrates

Hiroo Takahashi; Hitoshi Takamura; Masuo Okada

doi:10.2320/matertrans.MBW200726

Preparation of oxygen permeable thin films on YSZ porous substrates

Hiroo Takahashi, Hitoshi Takamura, Masuo Okada

ENG - Materials Science

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

Mixed oxide-ion and electronic conductive thin films with the composition of (Ce_0.85Sm_0.15)O_2-δ-15 vol%MnFe ₂O₄ (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 ZrO ₂-3 mol%Y₂O₃ (3YSZ)-33 vol%carbon and NiFe ₂O₄. 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 2h. 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.

Original language	English
Pages (from-to)	453-456
Number of pages	4
Journal	Materials Transactions
Volume	49
Issue number	3
DOIs	https://doi.org/10.2320/matertrans.MBW200726
Publication status	Published - 2008 Mar

Keywords

Ceria
Oxygen permeable ceramics
Porous substrate
Spin coating process

ASJC Scopus subject areas

Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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title = "Preparation of oxygen permeable thin films on YSZ porous substrates",

abstract = "Mixed oxide-ion and electronic conductive thin films with the composition of (Ce0.85Sm0.15)O2-δ-15 vol%MnFe 2O4 (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 ZrO 2-3 mol%Y2O3 (3YSZ)-33 vol%carbon and NiFe 2O4. 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 2h. 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.",

keywords = "Ceria, Oxygen permeable ceramics, Porous substrate, Spin coating process",

author = "Hiroo Takahashi and Hitoshi Takamura and Masuo Okada",

year = "2008",

month = mar,

doi = "10.2320/matertrans.MBW200726",

language = "English",

volume = "49",

pages = "453--456",

journal = "Materials Transactions",

issn = "1345-9678",

publisher = "Japan Institute of Metals (JIM)",

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TY - JOUR

T1 - Preparation of oxygen permeable thin films on YSZ porous substrates

AU - Takahashi, Hiroo

AU - Takamura, Hitoshi

AU - Okada, Masuo

PY - 2008/3

Y1 - 2008/3

N2 - Mixed oxide-ion and electronic conductive thin films with the composition of (Ce0.85Sm0.15)O2-δ-15 vol%MnFe 2O4 (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 ZrO 2-3 mol%Y2O3 (3YSZ)-33 vol%carbon and NiFe 2O4. 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 2h. 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.

AB - Mixed oxide-ion and electronic conductive thin films with the composition of (Ce0.85Sm0.15)O2-δ-15 vol%MnFe 2O4 (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 ZrO 2-3 mol%Y2O3 (3YSZ)-33 vol%carbon and NiFe 2O4. 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 2h. 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.

KW - Ceria

KW - Oxygen permeable ceramics

KW - Porous substrate

KW - Spin coating process

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JO - Materials Transactions

JF - Materials Transactions

SN - 1345-9678

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Preparation of oxygen permeable thin films on YSZ porous substrates

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Keywords

ASJC Scopus subject areas

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