Research Papers in Physics and Astronomy


Date of this Version

March 1968


Published by American Physical Society. Phys. Rev. Lett. 20, 662 (1968). Copyright © 1968 American Physical Society. Permission to use.


The electrical conductivity of potassium chloride is discussed within the framework of a four-defect model of the crystal. The four defects are mobile anion and cation vacancies and immobile divalent cation impurities and divalent cation impurity-cation vacancy complexes. The Teltow formulation of the four-defect mode1 fails to describe precisely the measured electrical conductivity of KCl over the entire intrinsic and extrinsic range.

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