Abstract
The computational procedures necessary to include the effects of physical absorption and the elastic scattering of initially inelastically scattered electrons in a computer-simulated high-resolution electron microscopic image are outlined. Results of a study of this type carried out on the high-Tc superconductor YBa2Cu3O7-x are described, using the plasmon-loss data derived from experimental electron energy-loss spectra, initially by taking the two effects separatedly but also by considering them together, and an assessment of the approximations used is made. The results indicate that, for a specimen thickness of 8 nm, both processes have only a slight effect on the image contrast, but the influence of absorption is the more significant.
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