Abstract
A model based on the presence of two-level systems identified with defect clusters is used to study different properties of superionic lead fluoride and calcium fluoride. The high degeneracy of the higher level indicates a liquid-like arrangement of anions within the cluster.
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Makur, M., Ghosh, S. Liquid-like defects in superionic fluorites. Pramana - J Phys 35, 151–157 (1990). https://doi.org/10.1007/BF02875288
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DOI: https://doi.org/10.1007/BF02875288