| 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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Schreuders, Herman
Delft University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2024Structural and Optical Properties of Thin Film β-Ta upon Exposure to Hydrogen to Asses Its Applicability as Hydrogen Sensing Materialcitations
- 2024Towards hydrogen fueled aircraft
- 2024Advancing Hydrogen Sensing for Sustainable Aviationcitations
- 2023In-situ S/TEM Visualization of Metal-to-Metal Hydride Phase Transformation of Magnesium Thin Films
- 2023Tuning the Properties of Thin-Film TaRu for Hydrogen-Sensing Applicationscitations
- 2020Metallurgical Synthesis of Mg2FexSi1- x Hydridecitations
- 2019Metal-polymer hybrid nanomaterials for plasmonic ultrafast hydrogen detectioncitations
- 2019Metal-polymer hybrid nanomaterials for plasmonic ultrafast hydrogen detectioncitations
- 2019Effect of the addition of zirconium on the photochromic properties of yttrium oxy-hydridecitations
- 2018Elastic versus Alloying Effects in Mg-Based Hydride Filmscitations
- 2017Enhancement of Destabilization and Reactivity of Mg Hydride Embedded in Immiscible Ti Matrix by Addition of Crcitations
- 2017Photochromism of rare-earth metal-oxy-hydridescitations
- 2015Destabilization of Mg Hydride by Self-Organized Nanoclusters in the Immiscible Mg-Ti System
- 2012Optical hydrogen sensors based on metal-hydridescitations
- 2012Combined XPS and first principle study of metastable Mg-Ti thin filmscitations
- 2006Structural and optical properties of MgxAl1-xH y gradient thin filmscitations
Places of action
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article
Metallurgical Synthesis of Mg2FexSi1- x Hydride
Abstract
<p>Magnesium-based transition-metal hydrides are attractive hydrogen energy materials because of their relatively high gravimetric and volumetric hydrogen storage capacities combined with low material costs. However, most of them are too stable to release the hydrogen under moderate conditions. Here we synthesize the hydride of Mg<sub>2</sub>Fe<sub>x</sub>Si<sub>1-x</sub>, which consists of Mg<sub>2</sub>FeH<sub>6</sub> and Mg<sub>2</sub>Si with the same cubic structure. For silicon-rich hydrides (x < 0.5), mostly the Mg<sub>2</sub>Si phase is observed by X-ray diffraction, and Mössbauer spectroscopy indicates the formation of an octahedral FeH<sub>6</sub> unit. Transmission electron microscopy measurements indicate that Mg<sub>2</sub>FeH<sub>6</sub> domains are nanometer-sized and embedded in a Mg<sub>2</sub>Si matrix. This synthesized metallographic structure leads to distortion of the Mg<sub>2</sub>FeH<sub>6</sub> lattice, resulting in thermal destabilization. Our results indicate that nanometer-sized magnesium-based transition-metal hydrides can be formed into a matrix-forced organization induced by the hydrogenation of nonequilibrium Mg-Fe-Si composites. In this way, the thermodynamics of hydrogen absorption and desorption can be tuned, which allows for the development of lightweight and inexpensive hydrogen storage materials.</p>