| 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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Clemens, Oliver
Technical University of Darmstadt
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2024Recycling of solid-state batteries—challenge and opportunity for a circular economy?citations
- 2024Garnet-Type Li₇La₃Zr₂O₁₂ Solid Electrolyte Thin Films Grown by CO₂-Laser Assisted CVD for All-Solid-State Batteries
- 2024Influence of Grain Size on the Electrochemical Performance of Li$_{7‐3x}$La$_{3}$Zr$_{2}$Al$_{x}$O$_{12}$ Solid Electrolyte
- 2024Direct Recycling of β‐Li3PS4‐Based All‐Solid‐State Li‐Ion Batteries: Interactions of Electrode Materials and Electrolyte in a Dissolution‐Based Separation Process
- 2022Comprehensive investigation of crystallographic, spin-electronic and magnetic structure of $(Co_{0.2}Cr_{0.2}Fe_{0.2}Mn_{0.2}Ni_{0.2})_3O_4$ : Unraveling the suppression of configuration entropy in high entropy oxidescitations
- 2022Thermal stabilities of Mn-based active materials in combination with the ceramic electrolyte LATP for ASSB bulk cathodescitations
- 2022Single-Layer T′ Nickelates: Synthesis of the La and Pr Members and Electronic Properties across the Rare-Earth Seriescitations
- 2022Conductivity enhancement within garnet‐rich polymer composite electrolytes via the addition of succinonitrile
- 2022Recycling of All-Solid-State Li-ion Batteries: A Case Study of the Separation of Individual Components Within a System Composed of LTO, LLZTO, and NMC
- 2022Electroless Nanoplating of Pd−Pt Alloy Nanotube Networks: Catalysts with Full Compositional Control for the Methanol Oxidation Reaction
- 2022Comprehensive investigation of crystallographic, spin-electronic and magnetic structure of (Co0.2Cr0.2Fe0.2Mn0.2Ni0.2)3O4: Unraveling the suppression of configuration entropy in high entropy oxides
- 2021PEO infiltration of porous garnet-type lithium-conducting solid electrolyte thin films
- 2021Electrochemical reduction and oxidation of Ruddlesden–Popper-type La2NiO3F2 within fluoride-ion batteriescitations
- 2021Structural, magnetic and catalytic properties of a new vacancy ordered perovskite type barium cobaltate BaCoO2.67citations
- 2020Synthesis and characterisation of Sr4Fe3-xCrxO10-δ citations
- 2020Topochemical fluorination of n = 2 Ruddlesden–Popper type Sr3Ti2O7 to Sr3Ti2O5F4 and its reductive defluorinationcitations
- 2019BaCoO2+δcitations
- 2019Composition dependence of ionic conductivity in LiSiPO(N) thin-film electrolytes for solid-state batteriescitations
- 2018Topochemical Fluorination of La2NiO4+d:citations
- 2017Nonlinear mechanical behaviour of $mathrm{Ba_{0.5}Sr_{0.5}Co_{0.8}Fe_{0.2}O_{3−δ}}$ and in situ stress dependent synchrotron X-ray diffraction studycitations
- 2016Garnet-type Li7La3Zr2O12 solid electrolyte thin films grown by CO2-laser assisted CVD for all-solid-state batteries
- 2016Synthesis, structural characterisation and proton conduction of two new hydrated phases of barium ferrite BaFeO2.5−x(OH)2xcitations
- 2016Garnet-type Li₇La₃Zr₂O₁₂ solid electrolyte thin films grown by Co₂-laser assisted CVD for all-solid-state batteries
- 2014Crystallographic and magnetic structure of the perovskite-type compound BaFeO2.5 : unrivaled complexity in oxygen vacancy orderingcitations
Places of action
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article
Topochemical Fluorination of La2NiO4+d:
Abstract
The Ruddlesden–Popper (K2NiF4) type phase La2NiO3F2 was prepared via a polymer-based fluorination of La2NiO4+d. The compound was found to crystallize in the orthorhombic space group Cccm (a = 12.8350(4) Å, b = 5.7935(2) Å, c = 5.4864(2) Å). This structural distortion results from an ordered half occupation of the interstitial anion layers and has not been observed previously for K2NiF4-type oxyfluoride compounds. From a combination of neutron and X-ray powder diffraction and 19F magic-angle spinning NMR spectroscopy, it was found that the fluoride ions are only located on the apical anion sites, whereas the oxide ions are located on the interstitial sites. This ordering results in a weakening of the magnetic Ni–F–F–Ni superexchange interactions between the perovskite layers and a reduction of the antiferromagnetic ordering temperature to 49 K. Below 30 K, a small ferromagnetic component was found, which may be the result of a magnetic canting within the antiferromagnetic arrangement and will be the subject of a future low-temperature neutron diffraction study. Additionally, density functional theory-based calculations were performed to further investigate different anion ordering scenarios.