Electrical transport properties of doubly Gd- and Al-doped LaGa0.9Mg0.1O2.95 perovskite compounds

Masahiro Kajitani, Motohide Matsuda, Michihiro Miyake

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Oxide ion conduction properties of La1-xGdxGa0.8Al0.1Mg0.1O2.95 were discussed in terms of tolerance factor and free volume. The oxide ion conductivities increased with Gd content and attained the maximum at x = 0.10. Enhancement in oxide ion conduction up to x = 0.10 was attributable to the approach to an optimum tolerance factor, which is reportedly around 0.96, whereas degradation above x = 0.10 was considered to result from the reduction of free volume caused by replacement of smaller Gd for La.

Original languageEnglish
Pages (from-to)1721-1724
Number of pages4
JournalSolid State Ionics
Volume177
Issue number19-25 SPEC. ISS.
DOIs
Publication statusPublished - Oct 15 2006

Keywords

  • Conduction property
  • Lanthanum gallate
  • Perovskite
  • Tolerance factor

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

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