Abstract

The theory of secondary electron emission (SEE), which was proposed by Feder and Pendry, is extended. The new argument allows us to predict not only the fine structure but also all the features of SEE spectra. The secondary electron current is described as a multiplication of the fine structure part, which is easily obtained by dynamical low-energy electron diffraction (LEED) theory and the cascade function for the electron-gas system. Good agreement is found in the comparison between the theory and experiment for Cu(100) and (111) surfaces.

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