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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
Places of action
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article
Spectral momentum densities of vanadium and vanadium oxide as measured by high energy (e, 2e) spectroscopy
Abstract
<p>The spectral momentum densities of vanadium metal and V<sub>2</sub>O <sub>3</sub> are measured by electron momentum spectroscopy. Results are compared with band structure calculations based on density functional theory (DFT). Qualitatively, the agreement between theory and experiment is good. The calculated total band width of vanadium metal (6.5 eV) is in excellent agreement with the observed one (6.5 ± 0.25 eV). The splitting between the outer and inner valence bands in V<sub>2</sub>O<sub>3</sub> is 2 eV larger in the experiment than in the density functional theory calculation. The observed momentum distributions agree reasonably well with the calculated distributions with the exception of the intensity of the outer valence band relative to the inner valence band in V<sub>2</sub>O<sub>3</sub>: the outer valence band is less intense than calculated. The momentum density near the Fermi level in V metal resembles that of atomic V 3d orbitals. However, momentum profiles of the V 3d orbitals in V<sub>2</sub>O<sub>3</sub> are much more sharply peaked than the atomic 3d orbital in both the theory and experiment. Correlation effects are discussed and theoretical problems in describing EMS data from narrow band systems are identified.</p>