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The Role of Impurity Precipitation on Ionic Conductivity of NaCl:Sr System
Authors:K. Narasimha Reddy  R. Sayanna
Abstract:
Ionic conductivity studies of NaCl crystals doped with 1 mole% of strontium both in as grown state and after quenching them from 550°C indicate that the conductivity depends on the impuritiy precipitates. It is found that all conductivity plots of pure NaCl, NaCl:Sr and NaCl:Sr crystals quenched from 550°C are straights lines, both in extensive and intrensic regions. The conductivity of NaCl: Sr system is always less than that of pure NaCl crystal. The results are explained on the basis of state of dispersion of impurities.
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