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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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Pistidda, Claudio
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (32/32 displayed)
- 2024Thermodynamic assessment of the Ce-H and CeNi H systemcitations
- 2024Comparative analysis of ternary TiAlNb interatomic potentials: moment tensor vs. deep learning approaches
- 2024Mechanical processing and thermal stability of the equiatomic high entropy alloy TiVZrNbHf under vacuum and hydrogen pressurecitations
- 2023Stability and Failure Mechanisms of Al2O3|Al Bilayer Coatings Exposed to 300 Bar Hydrogen at 673 Kcitations
- 2022Magnesium- and intermetallic alloys-based hydrides for energy storage:Modelling, synthesis and propertiescitations
- 2022Magnesium- and intermetallic alloys-based hydrides for energy storage : modelling, synthesis and propertiescitations
- 2022De-hydrogenation/Rehydrogenation Properties and Reaction Mechanism of AmZn(NH2)n-2nLiH Systems (A = Li, K, Na, and Rb)citations
- 2022De-hydrogenation/rehydrogenation properties and reaction mechanism of AmZn(NH2)n-2nLiH systems (A = Li, K, Na, and Rb)citations
- 2022Sustainable NaAlH4 production from recycled automotive Al alloycitations
- 2022Effects of metal-based additives on dehydrogenation process of 2NaBH4 + MgH2 systemcitations
- 2022Operando reaction cell for high energy surface sensitive x-ray diffraction and reflectometrycitations
- 2022Modeling the thermodynamics of the FeTi hydrogenation under para-equilibrium: An ab-initio and experimental studycitations
- 2022Modeling the thermodynamics of the FeTi hydrogenation under para-equilibrium: An ab-initio and experimental studycitations
- 2022De-hydrogenation/Rehydrogenation Properties and Reaction Mechanism of AmZn(NH$_2$)$_{n-2}$nLiH Systems (A = Li, K, Na, and Rb)citations
- 2022Magnesium- and intermetallic alloys-based hydrides for energy storage: modelling, synthesis and properties ; ENEngelskEnglishMagnesium- and intermetallic alloys-based hydrides for energy storage: modelling, synthesis and propertiescitations
- 2022Magnesium- and intermetallic alloys-based hydrides for energy storage: modelling, synthesis and propertiescitations
- 2022Sustainable NaAlH$_4$ production from recycled automotive Al alloycitations
- 2021High Hydrogen Mobility in an Amide–Borohydride Compound Studied by Quasielastic Neutron Scatteringcitations
- 2019A mechanochemical route for the synthesis of $VNbO_{5}$ and its structural re-investigation using structure solution from powder diffraction datacitations
- 2018Insights into the Rb-Mg-N-H System: An Ordered Mixed Amide/Imide Phase and a Disordered Amide/Hydride Solid Solutioncitations
- 2018New Insight on the Hydrogen Absorption Evolution of the Mg–Fe–H System under Equilibrium Conditions
- 2018Tracking the Active Catalyst for Iron-Based Ammonia Decomposition by In Situ Synchrotron Diffraction Studiescitations
- 2017Synthesis, structures and thermal decomposition of ammine MxB12H12 complexes (M = Li, Na, Ca)citations
- 2017Synthesis, structures and thermal decomposition of ammine M x B 12 H 12 complexes (M = Li, Na, Ca)citations
- 2017The crystal structures of carbonyl iron powder – revised using in situ synchrotron XRPDcitations
- 2017Synthesis, structures and thermal decomposition of ammine $mathrm{M_{x}B_{12}H_{12}}$ complexes (M = Li, Na, Ca)citations
- 2015Structural and kinetic investigation of the hydride composite $mathrm{Ca(BH_{4})_{2} + MgH_2}$ system doped with $mathrm{NbF_5}$ for solid-state hydrogen storagecitations
- 2015In situ X-ray diffraction environments for high-pressure reactionscitations
- 2015In situ X-ray diffraction environments for high-pressure reactionscitations
- 2014Effective nanoconfinement of 2LiBH 4 -MgH 2 via simply MgH 2 premilling for reversible hydrogen storagescitations
- 2013Chemical state, distribution and role of Ti- and Nb-based additives on the Ca(BH4)2 systemcitations
- 2011Ca(BH4)(2)-MgF2 Reversible Hydrogen Storage: Reaction Mechanisms and Kinetic Propertiescitations
Places of action
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article
The crystal structures of carbonyl iron powder – revised using in situ synchrotron XRPD
Abstract
Although carbonyl iron powder (CIP) is an old material for magnetic applications (e.g. inductor cores), the structure of this material is still described controversially in literature. On the first glance a greyish powder exhibiting a spherical structure, CIP reveals on the second glance a nanoscopic crystalline sub-structure. The material itself contains carbon and nitrogen and its structure is described as an onion-type structure. However, the nature of the different shells and clarity on the nature of the involved carbidic and/or nitridic phases, be they crystalline, amorphous or solid solutions has not yet been achieved. In addition, it is known, that CIP transforms in H2-atmosphere to a “soft” grade, consisting of pure Fe. Again, chemical and microstructural knowledge on the transition from the “hard” to the “soft” CIP is lacking. This leads to the motivation of this study: 1. Unambiguously identify the nature and existence of the involved phases in the unreduced and hard carbonyl iron powder and in the reduced and soft iron powder particles 2. Characterize the phase transformations and microstructural changes of CIP during the thermic treatment in a hydrogen atmosphere. Different techniques were used to clarify the above mentioned points like in-situ synchrotron XRPD accompanied by electron microscopy techniques.