Abstract
Auger analysis made along the conduction planes of sodium beta "-alumina crystals shows an increase of the Na signal intensity with time. The rate of increase is observed to depend only on the primary electron fluxes. Scanning microscopy analysis reveals the growth of sodium metallic clusters on the surface at the point of impact of the primary electron beam. Results obtained bombarding the surface parallel to the crystallographic c-axis direction show that the sodium concentration either remains stable or decreases, depending on the electron fluxes. these results give some insights to the mechanisms of Na+ transport in beta "-alumina crystals under electron irradiation.
Published Version
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