| 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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Juraszek, Jean
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (18/18 displayed)
- 2023In-depth study of structural, magnetic and XPS behavior of the double perovskite La2-xCex/2Erx/2NiMnO6citations
- 2021Thermopower in the Ba 1−δ M 2+x Ru 4−x O 11 (M = Co, Mn, Fe) magnetic hexagonal ruthenates
- 2021Long-Range Cationic Order Collapse Triggered by S/Cl Mixed-Anion Occupancy Yields Enhanced Thermoelectric Properties in Cu5Sn2S7citations
- 2020Influence of the electronic polymorphism of Ni on the classification and design of high entropy alloyscitations
- 2020Structure and magnetic properties of epitaxial CaFe2O4 thin filmscitations
- 2020Interfacial Strain Gradients Control Nanoscale Domain Morphology in Epitaxial BiFeO 3 Multiferroic Filmscitations
- 2020Origin of the magnetic properties of Fe-implanted 4H-SiC semiconductorcitations
- 2020Non-auxetic/auxetic transitions inducing modifications of the magnetic anisotropy in CoFe2O4 thin filmscitations
- 2020A scalable synthesis route for multiscale defect engineering in the sustainable thermoelectric quaternary sulfide Cu26V2Sn6S32citations
- 2020Interfacial Strain Gradients Control Nanoscale Domain Morphology in Epitaxial BiFeO3 Multiferroic Filmscitations
- 2019Characterization of nanostructure in low dose Fe-implanted p-type 6H-SiC using atom probe tomographycitations
- 2019A magnetic phase diagram for nanoscale epitaxial BiFeO3 filmscitations
- 2019A magnetic phase diagram for nanoscale epitaxial BiFeO3 filmscitations
- 20186H-SiC-Fe Nanostructures Studied by Atom Probe Tomographycitations
- 2014Control of ferroelectricity and magnetism in multi-ferroic BiFeO3 by epitaxial straincitations
- 2013A Mössbauer investigation of the formation of the Ni3Fe phase by high energy ball milling and subsequent annealingcitations
- 2013A Mössbauer investigation of the formation of the Ni3Fe phase by high energy ball milling and subsequent annealingcitations
- 2004CEMS Investigations of Swift Heavy Ion Irradiation Effects in Tb/Fe Multilayerscitations
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article
Non-auxetic/auxetic transitions inducing modifications of the magnetic anisotropy in CoFe2O4 thin films
Abstract
International audience ; An auxetic behaviour is evidenced in CoFe2O4 thin films grown by pulsed laser deposition on (100) MgO substrates under various O2/N2 pressures. This rare behaviour for an intrinsic material is observed for intermediate oxidation conditions, in between two non auxetic domains delimited by high (>0.05 mbar) and low (<0.03 mbar) O2/N2 deposition pressures. Combining X-ray resonant diffraction and Mössbauer spectroscopy, we experimentally prove that the auxetic behaviour is related to the presence of cobalt ions in the tetrahedral sites. The impact of the structural modifications caused by the various oxidation conditions on the electronic and magnetic properties are studied for the various oxidation domains. Variations as important as a transition from a p-type semiconducting to an insulating behaviour, or from an in-plane to an out-of-plane magnetization are observed when spanning from the lowest (0.01 mbar) to the highest (1 mbar) studied oxidation pressures. Graphical abstract Schematic representation of both crystallographic and magnetic properties of CoFe2O4 thin films as a function of their deposition pressure