IONIC CONDUCTIVITY MEASUREMENTS OF HEAVILY DOPED AgCl : Cd CRYSTALS

Abstract
Ionic conductivity measurements in heavily doped AgCl : Cd crystals (from 0 to 5 000 ppm) were carried out. A solubility curve of Cd2+ in AgCl for the temperature range 250 K to 400 K is presented. Very high Arrhenius energies were measured below 240 K. A dipole association model and a superstructure model are discussed to explain the obtained conductivity data. It is shown that the experimental results can appropriately be described by the assumption of the precipitation of this superstructure (CdCl2. 6 AgCl)

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