Abstract
AbstractThe ionic conductivity of undoped BaFCl, BaFBr, BaFI, SrFCl, and SrFBr single crystals is measured. The activation energies for a variety of anion vacancy mechanisms and the Schottky energy are defined. They are found to be in good agreement with Baetzold's theoretical data. Partial measurements of the static dielectric constant point out that these materials show an important dipolar contribution which is connected with their antiferroelectric character.
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