Fundamental physics and promising applications of superionic conductors

Hiroo Yugami, Mareo Ishigame

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


Recently, superionic conductors (SIC’s) have been considered to be a key material for several application fields as well as energy engineering and ceramic technology. We review the recent stage of the basic models and concepts for the physical understanding of high-speed ionic transport in solids. In the latter part of this paper, we briefly review the applications of SIC’s to solid-state fuel cells and sensors. As a new application of SIC’s, we introduce a technique developed on a complex system consisting of an oxygen ionic conductor and high-Tc oxide super-conductors. Finally, we introduce the possibility of the application of SIC’s to optical devices.

Original languageEnglish
Pages (from-to)853-859
Number of pages7
JournalJapanese Journal of Applied Physics
Issue number8 R
Publication statusPublished - 1993 Feb


  • Fractal
  • Fuel cell
  • High T
  • Luminescence and hole burning
  • Optical device
  • Oxide
  • Sensor
  • Superconductor
  • Superionic conductor


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