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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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Joly, Yves
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2022Charge Reorganization at the Adsorbate Covered Electrode Surface Probed through in Situ Resonant X-ray Diffraction Combined with ab Initio Modelingcitations
- 2022Charge reorganization at the adsorbate covered electrode surface probed through in-situ resonant x-ray diffraction combined with ab initio modellingcitations
- 2022In situ resonant x-ray scattering at the French “CRG-IF” beamline at ESRF
- 2022In situ resonant x-ray scattering at the French “CRG-IF” beamline at ESRF
- 2020Static magnetic proximity effects and spin Hall magnetoresistance in Pt/Y3Fe5O12 and inverted Y3Fe5O12/Pt bilayerscitations
- 2020Magnetic field induced structural changes in magnetite observed by resonant x-ray diffraction and Mössbauer spectroscopycitations
- 2020Static magnetic proximity effects and spin Hall magnetoresistance in Pt/Y$_{3}$Fe$_{5}$O$_{12}$ and inverted Y$_{3}$Fe$_{5}$O$_{12}$/Pt bilayerscitations
- 2019Epitaxial growth and structure of cobalt ferrite thin films with large inversion parameter on Ag(001)citations
- 2019Epitaxial growth and structure of cobalt ferrite thin films with large inversion parameter on Ag(001)citations
- 2017Temperature Variation of Magnetic Anisotropy in Pt / Co / AlO x Trilayerscitations
- 2016Determination of the cationic distribution in oxidic thin films by resonant X-ray diffraction: the magnetoelectric compound Ga2-xFexO3. Supporting information
- 2015Core–shell-like Au sub-nanometer clusters in Er-implanted silicacitations
- 2012X-ray resonant magnetic reflectivity of stratified magnetic structures: Eigenwave formalism and application to a W/Fe/W trilayercitations
- 2012Stability of the local Ni site distortions across pressure-induced metallization in YNiO3citations
- 2007EXAFS studies of the local atomic structure of the lead-free piezoelectric ceramics KxNa1 xNbO3 over the temperature range 10-1023 Kcitations
- 2007Phase transitions in lead-free piezoelectric ceramics: Study of local atomic structurecitations
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document
In situ resonant x-ray scattering at the French “CRG-IF” beamline at ESRF
Abstract
We show two examples of resonant x-ray scattering experiments performed in situ on the INS2 end-station of the BM32 beamline at ESRF. In the first one the inversion parameter of thin cobalt ferrite films grown on Ag(001) by oxygen-assisted MBE is found. In spinel structure this parameter quantifies the distribution of divalent and trivalent cations on tetrahedral and octahedral sites, and strongly influence the electronic and magnetic properties of the ferrite. By measuring grazing incidence resonant x-ray diffraction intensity versus energy of several spinel peaks at the iron and cobalt K-edges and comparing with theoretical calculations performed with the FDMNES code, we could find that cobalt occupies mostly octahedral sites, resulting in an inversion parameter of 0.88(5). 1 In the second experiment we studied Co-Pt nanoparticles self-organized on an ultrathin aluminum oxide film on Ni3Al(111), a template with a 4.1 nm hexagonal surface lattice. Co and Pt were subsequently deposited on the template layer seeded with a few Pd atoms per unit cell. Bimetallic nanoparticles organize at the corners of the oxide hexagonal surface cell giving sharp peaks in the small angle x-ray scattering pattern. The analysis of the RXD measured at the cobalt K edge on these SAXS features evidences then a core-shell structure. GISAXS of 0.15 nm Co on alumina template (Pd seeded), and RXD of the (10) reflection (Co K edge). These examples demonstrate the capabilities of BM32 for in situ resonant scattering studies. At short term, they will be improved with the installation of a crystal analyser.