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Angular dependence of electron-energy-loss spectroscopy: Application to diamond
Phys. Rev. B 26, 3289 – Published 15 September, 1982
DOI: https://doi.org/10.1103/PhysRevB.26.3289
Abstract
New observations of electron-energy-loss spectra for diamond have been made by exploiting the direction dependence of the spectra. The loss peaks known from other workers were present with high intensities. The 23-eV loss peak is attributed mainly to interband transitions, in contrast to other earlier assignments as being mainly due to surface plasmons. The dependence of the loss spectra on direction is interpreted as being due to LEED (low-energy electron diffraction). We suggest that this effect, namely LEED-modulated loss spectroscopy, may be used as a complementary tool for the study of crystalline levels.
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