Research Papers in Physics and Astronomy


Date of this Version

July 1967


Published by American Physical Society. Phys. Rev. Lett. 19, 113 (1967). Copyright © 1967 American Physical Society. Permission to use.


The measured electrical conductivity of pure RbCl is separated into the usual anion and cation contributions with activation energies of 2.55 and 1.58 eV, respectively. By comparison with corresponding results for KC1 and NaCl it is found that the alkali-chloride anion and cation activation energies differ most for nearly equal anion and cation radii. We conclude from this anomalous trend that an extension of conventional theory is required.

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