Abstract
Inelastic scattering of low-energy electrons from nonmagnetic metals due to electron-hole pair excitation is treated in a distorted-wave first Born approximation including exchange. Screened Coulomb interaction matrix elements between bulk Bloch states and plane waves (including elastic scattering in a simple approximation) are evaluated to yield, for a spin-polarized primary beam, the intensities of electrons scattered with and without spin flip. Some basic insight is obtained by calculations for a homogeneous electron gas. Numerical results for Cu(001) are found to agree fairly well with experimental data and provide clear evidence for the importance of elastic scattering processes in electron energy loss spectroscopy.
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