Lithium ion conduction in substituted Li5GaO4 phases

T. Esaka, M. Greenblatt

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The electrical conductivity of substituted Li5GaO4 phases was investigated by complex impedance techniques. Substitution by divalent cations to increase the concentration of vacancies in Li5-2xZnxGaO4 did not enhance the ionic conductivity in β-Li5GaO4 -type solid solutions. High Li+ conduction was observed in Li5+xGa1-xMxO4 with M=Mg and Zn in the β-Li5GaO4 structure. The maximum conductivity at 300°C is 4.1 × 10-3 (ω-cm)-1 for Li5.4Ga0.6Zn0.4O4 and 1.3 × 10-3 (ω-cm)-1 for Li5.7Ga0.7Mg 0.3O4. These results are discussed in relation to the structural properties.

Original languageEnglish (US)
Pages (from-to)255-261
Number of pages7
JournalSolid State Ionics
Issue number3
StatePublished - Oct 1986

All Science Journal Classification (ASJC) codes

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

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