| 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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Bertaina, Sylvain
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Interplay between magnetisation dynamics and structure in MnCoGe thin films
- 2023Competitive actions of MnSi in the epitaxial growth of Mn5Si3 thin films on Si(111)citations
- 2023Competitive actions of MnSi in the epitaxial growth of Mn5Si3 thin films on Si(111)citations
- 2023Magnetic moment impact on spin-dependent Seebeck coefficient of ferromagnetic thin filmscitations
- 2018Measuring Motional Dynamics of [(CH 3 ) 2 NH 2 ] + in the Perovskite-Like Metal–Organic Framework [(CH 3 ) 2 NH 2 ][Zn(HCOO) 3 ]: The Value of Low-Frequency Electron Paramagnetic Resonancecitations
- 2018Magneto-Structural and Computational Study of a Tetranuclear Copper Complex Displaying Carbonyl-π Interactionscitations
- 2017High Curie temperature Mn 5 Ge 3 thin films produced by non-diffusive reactioncitations
- 2017Structural and Composition Effects on Electronic and Magnetic Properties in Thermoelectric Mn1– x–yCo1+xGe1+y Materialscitations
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article
Measuring Motional Dynamics of [(CH 3 ) 2 NH 2 ] + in the Perovskite-Like Metal–Organic Framework [(CH 3 ) 2 NH 2 ][Zn(HCOO) 3 ]: The Value of Low-Frequency Electron Paramagnetic Resonance
Abstract
International audience ; Dimethylammonium zinc formate (DMAZnF) is the precursor for a large family of multiferroics, materials which display co-existing magnetic and dielectric ordering. However, the mechanism underlying these orderings remains unclear. While it is generally believed that the dielectric transition is related to the freezing of the order-disorder dynamics of the dimethylammonium (DMA+) cation, no quantitative data on this motion are available. We surmise that this is due to the fact that the timescale of this cationic motion is on the borderline of the timescales of experimental techniques used in earlier reports. Using multifrequency EPR, we find that the timescale of this motion is ~ 5 x 10 -9 s. Thus, S-band (4 GHz) EPR spectroscopy is presented as the technique of choice for studying these motional dynamics. This work highlights the value of the lower-frequency end of EPR spectroscopy. The data are interpreted using DFT calculations and provide direct evidence for the motional freezing model of the ferroelectric transition in these metal-organic frameworks with the ABX3 perovskite-like architecture.