Abstract
The interference electron microscopy was applied to investigate the mean inner potential of Bi spheres. With an electric biprism a system of equidistant and parallel interference lines was produced. The Bi spheres were evaporated on carbon foils in the electron microscope. From shift of the interference lines in the image plane the mean inner potential was calculated. The method allows to measure the mean inner potential at different temperatures. The results offer the possibility to measure the mean potential at the surface of an object.
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More From: Zeitschrift f�r Physik B Condensed Matter and Quanta
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