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The mean inner potential of a crystal is calculated for 49 different metals by using the Thomas‐Fermi‐Dirac model of a compressed atom. The dependence of the mean inner potential on the atomic number Z has a distinctly periodic character. The effect of the exchange interaction and the conduction electrons on the potential are taken into account. A comparison with experimental data shows good agreement for the heavy elements.
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R. I. Anishchenko (1966) studied this question.
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