Dependence of the conductivity of polycrystalline Li0.33Ba xLa0.56-2/3xTiO3 on Ba loading

Takashi Teranishi, Akane Kouchi, Hidetaka Hayashi, Akira Kishimoto

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20 Citations (Scopus)


The dependence of lithium ion conductivity on barium loading was investigated for Li0.33BaxLa0.56-2/3xTiO 3 (LBLT, 0 & x 0.1) ceramics. The highest bulk conductivity, σdc, of 1.24 × 10- 3 S cm- 1 obtained for 0.25 mol.% Ba loading was slightly improved compared to that of non-doped Li0.33La0.56TiO3 (1.18 × 10- 3 S cm- 1). The intensities of the XRD patterns in the independent cubic and tetragonal reflections, i.e., Ic(100) and It(101), were analyzed; a larger Ic(100)/I t(101) ratio corresponded to a larger σdc. A possible reason for the only slight enhancement of the σdc by a small loading of Ba is an increased volume fraction of the more highly conductive LBLT cubic phase.

Original languageEnglish
Pages (from-to)33-38
Number of pages6
JournalSolid State Ionics
Publication statusPublished - Oct 1 2014


  • Ba loading
  • Complex conductivity
  • Li ion conductivity
  • Lithium lanthanum titanate

ASJC Scopus subject areas

  • General Chemistry
  • General Materials Science
  • Condensed Matter Physics


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