Part of the NATO Advanced Science Institutes Series book series (volume 92)
Thermodynamic and Transport Properties of Superionic Conductors and Electrode Materials
The terms “superionic conductor” and “solid electrolyte” are used to denote those solids that exhibit anomalously large (~ 1 (ohm-cm)−1) ionic conductivities. Such a definition is rather too wide since most solids have high ionic conductivities provided the temperature is high enough so it is common to suggest further features of this class of material. These include
Exceptions can be found to all of these criteria; for example stabilised zirconia has an activation energy of about 1 eV and yet is counted a superionic material in most of the literature.
weak temperature dependence of the ionic conductivity
low activation energies (few tenths of an eV)
anomalously low prefactors in the Arrhenius expression.
KeywordsElectrode Material Defect Concentration Molecular Dynamic Calculation SUPERIONIC Conductor Jump Frequency
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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© Plenum Press, New York 1983