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Emission Processes in Ionic Crystals under the Synergetic Effect of Thermal and Electrical Fields

Bulletin of the Russian Academy of Sciences Physics 2018 1 citation ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count.
Л. Г. Карыев, В. А. Федоров, A. P. Zanina

Summary

This study showed that the combined action of heating and an electric field on ionic crystals causes emission of matrix ions from the crystal surface, with microplastic shear on the bombarded surface reducing the ion work function. The work function of ions of different signs was experimentally determined and a method for estimating it from crack surface emission currents was proposed.

It is shown that the synergetic effect heating and an electrical field have on ionic crystals leads to the emission of matrix ions from the free surface of a crystal. Some fundamental patterns of emission are established, and the work function of ions of different signs is experimentally determined. The creation of emission current between the surfaces of a crack results in microplastic shears on the bombarded surface, reducing the work function of ions. The work function of ions is in this case also estimated.

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