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Relations between Crystal Structures and Ionic Conductivity

  • Heinz Schulz
Part of the NATO Advanced Science Institutes Series book series (volume 92)

Abstract

High ionic conductivity combined with very low electronic conductivity has been observed in several crystals. Crystal structure analysis and the interpretation of diffuse X-ray scattering have been successfully applied in the investigation of the ionic conduction mechanism in such crystals. Ions may move easily and rapidly in crystals if their ionic radius fits into the cross sections of the conducting pathsand if these paths connect regular lattice sites. The crystal field potential shows a rather weak variation along these diffusion paths. The regular lattice sites form local but shallow potential minima in such paths. These sites are not allowed to be completely occupied. The amount of underoccupancy ranges from about 1% to more than 50%.

Keywords

Residual Density Silver Iodide Edgeworth Expansion Residual Electron Density Anharmonic Potential 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Plenum Press, New York 1983

Authors and Affiliations

  • Heinz Schulz
    • 1
  1. 1.Max-Planck-Institut fur FestkorperforschungStuttgart 80Federal Republic of Germany

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