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Determining the band gap and mean kinetic energy of atoms from reflection electron energy loss spectra

Vos, Maarten; Marmitt, G.G.; Finkelstein, Y; Moreh, R


Reflection electron energy loss spectra from some insulating materials (CaCO<inf>3</inf>, Li<inf>2</inf>CO<inf>3</inf>, and SiO<inf>2</inf>) taken at relatively high incoming electron energies (5-40 keV) are analyzed. Here, one is bulk sensitive and a well-defined onset of inelastic excitations is observed from which one can infer the value of the band gap. An estimate of the band gap was obtained by fitting the spectra with a procedure that includes the recoil shift and recoil broadening...[Show more]

CollectionsANU Research Publications
Date published: 2015
Type: Journal article
Source: Journal of Chemical Physics
DOI: 10.1063/1.4929911
Access Rights: Open Access


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