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The general properties of reflected electron energy loss spectroscopy (REELS) data from 59 clean metals using a 1keV electron beam are analysed. The average loss spectrum is close so that for a Tougaard universal cross section with B=681.2eV 2 and C=355.0eV 2 . However, individual spectra differ markedly from this but may be approximated by Tougaard backgrounds with a characteristic...
An analysis is made of Tougaard-style backgrounds for homogeneous materials to show how parameters interact together and comprise the general inelastic scattering background in electron spectroscopy. It is shown that insight is usefully gained by rewriting the Tougaard universal loss function in terms of two parameters, the characteristic energy, E 1 , of the exponential decay observed in...
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