Ionization by Impact Electrons in Solids: Electron Mean Free Path Fitted Over a Wide Energy Range

Details Ionization by Impact Electrons in Solids: Electron Mean Free Path Fitted Over a Wide Energy Range Ionization by Impact Electrons in Solids: Electron Mean Free Path Fitted Over a Wide Energy Range

2005-06-06

arxiv.org/abs/cond-mat/0506136v1

J.Appl.Phys. 99 (2006) 033514

Physics

Condensed Matter

Materials Science

28 pages, 6 figures, 2 tables

Scientific paper

10.1063/1.2161821

We propose a simple formula for fitting the electron mean free paths in solids both at high and at low electron energies. The free-electron-gas approximation used for predicting electron mean free paths is no longer valid at low energies (E < 50 eV), as the band structure effects become significant at those energies. Therefore we include the results of the band structure calculations in our fit. Finally, we apply the fit to 9 elements and 2 compounds.

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