Bu, Xianhui Department of Chemistry, University of California, Riverside, California.
Feng, Pingyun Department of Chemistry, University of California, Riverside, California.
Last reviewed:January 2020
- Superionic conductors
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The electrical conductivity exhibited by a small group of solids with high ionic conductivity and negligible electronic conductivity. In general, ionic conductivity is due to the motion of ions, whereas the electronic conductivity results from the flow of electrons. For superionic conductors, also called fast ion conductors or solid electrolytes, the specific conductivity (σ) is usually within the range from about 10−3 to 10 siemens per centimeter. These values are very high for a crystalline ionic solid, but are still lower than many electronic conductors such as metals, which have typical values ranging from 10 to 105 S cm−1. See also: Conductance; Conduction (electricity); Electrical conductivity of metals; Electrolytic conductance; Solid-state chemistry
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