Oxygen diffusion phenomena and hydrogen incorporation in reducing BaTiO 3 ceramics doped with ho below solubility limit

Isao Sakaguchi, Ken Watanabe, Shunichi Hishita, Naoki Ohashi, Hajime Haneda

研究成果: Contribution to journalArticle査読

5 被引用数 (Scopus)

抄録

Oxygen diffusion phenomena in BaTiO 3 ceramics doped with Ho of 5.2×10 18/cm3 were studied in order to reveal the effect of reduction thermal annealing. The samples were reduced at 850°C in a 3% H2-Ar atmosphere before the oxygen diffusion experiments. The oxygen diffusion was carried out in the temperature range of 700-800°C. The measurement of diffusion profiles and ion images revealed the oxygen defect distribution caused by the annealing. The results show that the grain boundary acts as a layer blocking oxygen diffusion when the diffusion temperature is below the reduction temperature of 850°C.

本文言語英語
論文番号101801
ジャーナルJapanese journal of applied physics
51
10
DOI
出版ステータス出版済み - 10 2012
外部発表はい

All Science Journal Classification (ASJC) codes

  • 工学(全般)
  • 物理学および天文学(全般)

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