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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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Vos, Maarten
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 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
- 2018Room temperature synthesis of HfO2/HfO x heterostructures by ion-implantationcitations
- 2018Room temperature synthesis of HfO2/HfO x heterostructures by ion-implantationcitations
- 2018The influence of shallow core levels on the shape of REELS spectracitations
- 2016A model dielectric function for low and very high momentum transfercitations
- 2016Measurement of the band gap by reflection electron energy loss spectroscopycitations
- 2015Energy Loss Function of Solids Assessed by Ion Beam Energy-Loss Measurements: Practical Application to Ta2O5citations
- 2015Energy Loss Function of Solids Assessed by Ion Beam Energy-Loss Measurementscitations
- 2015Neutralization and wake effects on the Coulomb explosion of swift H2+ ions traversing thin filmscitations
- 2014Direct observation of the major components of mouse bones and related compounds by electron Rutherford backscattering spectroscopy
- 2014The use of electron Rutherford backscattering to characterize novel electronic materials as illustrated by a case study of sputter-deposited NbOx filmscitations
- 2010Experimental observation of the strong influence of crystal orientation on Electron Rutherford Backscattering Spectracitations
- 2007Electron inelastic mean free path in solids as determined by electron Rutherford back-scatteringcitations
- 2007Metal interface formation studied by high-energy reflection energy loss spectroscopy and electron Rutherford backscatteringcitations
- 2005Spectral momentum densities of vanadium and vanadium oxide as measured by high energy (e, 2e) spectroscopycitations
- 2005Electron and neutron scattering from polymer films at high momentum transfercitations
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article
A model dielectric function for low and very high momentum transfer
Abstract
<p>A model dielectric function is derived for TiO<sub>2</sub> based on reflection electron energy loss spectroscopy data and photoabsorption cross sections. The model is based on a set of Mermin oscillators. The input data is dominated by excitations at low momentum transfer, i.e. near the optical limit. Surprisingly the dielectric function derived at low momentum transfer describes the Compton profile quite well, while approaches based on Drude oscillators fail dramatically. The link between the dielectric function in the high-momentum transfer limit and a Compton profile is discussed. The underlying reason why the Mermin approach, which is based on a free electron model, is successful in describing the Compton profile is tentatively discussed.</p>