Unraveling the defect chemistry and proton uptake of yttrium-doped barium zirconate

Yoshihiro Yamazaki, Chih Kai Yang, Sossina M. Haile

Research output: Contribution to journalArticlepeer-review

64 Citations (Scopus)


A review of the experimental literature documenting water uptake in yttrium-doped barium zirconate in combination with new results obtained here show that much of the observed scatter can be explained in terms of barium deficiency, which furthermore induces a lowering in cell volume. In addition, through a comparison of weight changes under regular and heavy water vapor pressure, strong evidence is found for bulk oxidation of the oxide by water simultaneous with hydration.

Original languageEnglish
Pages (from-to)102-107
Number of pages6
JournalScripta Materialia
Issue number2
Publication statusPublished - Jul 2011
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys


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