Dielectric properties of superionic lead fluoride |
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Authors: | Mohua Makur Sujata Ghosh |
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Institution: | (1) Department Physics, Jadavpur University, 700 032 Calcutta, India |
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Abstract: | Recent experimental studies show that the dielectric constant of lead fluoride increases rapidly as the superionic transition
temperatureT
c is approached. In this work the static dielectric constant (ε) is calculated theoretically for low and high temperature limits. Assuming conduction to take place through a percolation
mechanism,ε is found to diverge at the threshold temperatureT
th where ionic conduction starts. |
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Keywords: | Superionic conductor dielectric constant percolation teso-level-system |
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