ac conductivity of Li2ONa2OB2O3 mixed-alkali glasses: Analysis due to transition rate distribution

Junichi Kawamura, Rikito Sato, Shinya Mishina, Mitsuo Shimoji

Research output: Contribution to journalArticlepeer-review

45 Citations (Scopus)


The complex ac conductivity of Li2ONa2OB2O3 glasses was measured in the frequency range from 5Hz to 500 kHz and in the temperature range from 200 to 400°C. The observed results were analyzed by using the complex nonlinear least square fitting technique. In order to describe the frequency dependence of the conductivity, the distribution function for the transition rate of mobile ions, P(γ), was defined and was calculated by applying the inverse Stieltjes-Hilbertt transform to the experimental values. The form of P(γ) in the present mixed alkali glasses shows a broad enhanced peak in the region of low transition rate, which demonstrates the mixed-alkali effect on the ac conductivity.

Original languageEnglish
Pages (from-to)155-164
Number of pages10
JournalSolid State Ionics
Issue number2-3
Publication statusPublished - 1987 Nov
Externally publishedYes

ASJC Scopus subject areas

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

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