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Ab Initio Calculations of Mean Free Paths and Stopping Powers
Published
Author(s)
A P. Sorini, J. Kas, J J. Rehr, M P. Prange, Zachary H. Levine
Abstract
An approach is presented for theortical calculations of inelastic losses in solids over a broad energy range. The method is based on a many-pole model dielectric function, which is derived from ab initio calculations of optical constants using a real-space Green s function formalism. The approach yields inelastic mean free paths (IMFP). Using the same dielectric function model, we also obtain relativistic stopping powers for high-energy electrons. The results are consistent with semi-empirical approaches and with experiment.
Citation
Physical Review B (Condensed Matter and Materials Physics)
Volume
74
Pub Type
Journals
Keywords
Bayesian, tomography, transmission electron microscope
Citation
Sorini, A.
, Kas, J.
, Rehr, J.
, Prange, M.
and Levine, Z.
(2006),
Ab Initio Calculations of Mean Free Paths and Stopping Powers, Physical Review B (Condensed Matter and Materials Physics)
(Accessed October 27, 2025)