| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Grande, P. L.
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Topics
Publications (6/6 displayed)
- 2020Elucidating the capability of electron backscattering for 3D nano-structure determinationcitations
- 2020The effect of ion implantation on reflection electron energy loss spectroscopycitations
- 2019Characterization of oxygen self-diffusion in TiO2 resistive-switching layers by nuclear reaction profilingcitations
- 2018The influence of shallow core levels on the shape of REELS spectracitations
- 2015Neutralization and wake effects on the Coulomb explosion of swift H2+ ions traversing thin filmscitations
- 2014The use of electron Rutherford backscattering to characterize novel electronic materials as illustrated by a case study of sputter-deposited NbOx filmscitations
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article
The influence of shallow core levels on the shape of REELS spectra
Abstract
<p>It is well established that the shape of spectra acquired using reflection electron energy loss spectroscopy (REELS) is determined by the dielectric function. Extracting the dielectric function from REELS spectra is a real challenge as it is governed by strong multiple scattering. It is generally assumed that the contribution of shallow core levels (with binding energies over 100 eV) to the REELS data can be neglected when one interprets valence band REELS data that usually extends to, at most, 100 eV energy loss. Here we show that, especially when incoming energies over 1 keV are used, this is not the case and that the intensity of the REELS spectrum can only be calculated correctly if the shallow core levels are taken into account. The implications for this for the extraction of the dielectric function from REELS data is discussed.</p>