Effect of annealing atmosphere on oxygen diffusion through Ba-Fe-based perovskite oxide

Ken Watanabe, Tetsuya Kida, Isao Sakaguchi, Naoki Ohashi, Kengo Shimanoe, Hajime Haneda

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

To determine the effect of the annealing atmosphere on oxygen diffusion through Ba0.95La0.05FeO3-δ pellets, 18O2 tracer diffusion and high-resolution secondary ion mapping were performed. When annealing in air, the 18O concentration around the surface up to a depth of 40 μm was almost constant. On the other hand, when annealing in vacuum, the 18O concentration obviously decreased. High-resolution secondary ion mapping indicated that the 18O concentration around the grain boundary was reduced. These results suggested that the grain boundary of BLF annealed in vacuum prevents oxygen diffusion.

Original languageEnglish
Title of host publicationElectroceramics in Japan XIV
Pages141-144
Number of pages4
DOIs
Publication statusPublished - Jul 26 2011
Event30th Electronics Division Meeting of the Ceramic Society of Japan - Tokyo, Japan
Duration: Oct 29 2010Oct 30 2010

Publication series

NameKey Engineering Materials
Volume485
ISSN (Print)1013-9826

Other

Other30th Electronics Division Meeting of the Ceramic Society of Japan
CountryJapan
CityTokyo
Period10/29/1010/30/10

Fingerprint

Perovskite
Oxides
Annealing
Oxygen
Grain boundaries
Vacuum
Ions
Air
perovskite

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Watanabe, K., Kida, T., Sakaguchi, I., Ohashi, N., Shimanoe, K., & Haneda, H. (2011). Effect of annealing atmosphere on oxygen diffusion through Ba-Fe-based perovskite oxide. In Electroceramics in Japan XIV (pp. 141-144). (Key Engineering Materials; Vol. 485). https://doi.org/10.4028/www.scientific.net/KEM.485.141

Effect of annealing atmosphere on oxygen diffusion through Ba-Fe-based perovskite oxide. / Watanabe, Ken; Kida, Tetsuya; Sakaguchi, Isao; Ohashi, Naoki; Shimanoe, Kengo; Haneda, Hajime.

Electroceramics in Japan XIV. 2011. p. 141-144 (Key Engineering Materials; Vol. 485).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Watanabe, K, Kida, T, Sakaguchi, I, Ohashi, N, Shimanoe, K & Haneda, H 2011, Effect of annealing atmosphere on oxygen diffusion through Ba-Fe-based perovskite oxide. in Electroceramics in Japan XIV. Key Engineering Materials, vol. 485, pp. 141-144, 30th Electronics Division Meeting of the Ceramic Society of Japan, Tokyo, Japan, 10/29/10. https://doi.org/10.4028/www.scientific.net/KEM.485.141
Watanabe K, Kida T, Sakaguchi I, Ohashi N, Shimanoe K, Haneda H. Effect of annealing atmosphere on oxygen diffusion through Ba-Fe-based perovskite oxide. In Electroceramics in Japan XIV. 2011. p. 141-144. (Key Engineering Materials). https://doi.org/10.4028/www.scientific.net/KEM.485.141
Watanabe, Ken ; Kida, Tetsuya ; Sakaguchi, Isao ; Ohashi, Naoki ; Shimanoe, Kengo ; Haneda, Hajime. / Effect of annealing atmosphere on oxygen diffusion through Ba-Fe-based perovskite oxide. Electroceramics in Japan XIV. 2011. pp. 141-144 (Key Engineering Materials).
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