Сonducting and dielectric properties of mono- and polycrystals Na 3 Cr 2 (PO 4 ) 3
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DOI:
https://doi.org/10.32523/2616-6836-2021-134-1-14-21Abstract
This article studies the structure, conductivity and dielectric properties of polycrystalline Na 3 Cr 2 (PO 4 ) 3 .
Distinctive features of the temperature of phase transitions between mono- and polycrystalline Na 3 Cr 2 (PO 4 ) 3 , although the conductive and dielectric properties of the models are practically slightly different from each other. A relationship has been established between structural changes, conductive and dielectric properties of the Na 3 Cr 2 (PO 4 ) 3 polycrystal. Models are given to explain the dielectric character of the low-temperature α –phase of Na 3 Cr 2 (PO 4 ) 3 and the superionic properties of the high-temperature γ –phase.