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Calculation of high resolution electron and helium energy loss cross sections using surface vibration spectral densities

Authors
Journal
Surface Science
0039-6028
Publisher
Elsevier
Publication Date
Volume
224
Identifiers
DOI: 10.1016/0039-6028(89)90894-7

Abstract

Abstract It is shown that vibrational eigenvectors (outputs of a slab calculation) are not required for the calculation of high resolution electron energy loss spectra (EELS) or helium energy loss spectra. Instead, vibrational spectral densities (outputs of a Green's function calculation) may be input directly to such calculations. This facilitates the treatment of scattering from bulk phonons as well as from surface phonons.

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