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Ganzhorn, Kathrin (author), Barker, Joseph (author), Schlitz, Richard (author), Piot, Benjamin A. (author), Ollefs, Katharina (author), Guillou, F. (author), Wilhelm, Fabrice (author), Rogalev, Andrei (author), Bauer, G.E. (author)
We study the spin Hall magnetoresistance effect in ferrimagnet/normal metal bilayers, comparing the response in collinear and canted magnetic phases. In the collinear magnetic phase, in which the sublattice magnetic moments are all aligned along the same axis, we observe the conventional spin Hall magnetoresistance. In contrast, in the canted...
journal article 2016
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Assi, H. (author), Pardo Pérez, Laura C. (author), Mouchaham, Georges (author), Ragon, Florence (author), Nasalevich, M. (author), Guillou, Nathalie (author), Martineau, Charlotte (author), Chevreau, Hubert (author), Kapteijn, F. (author), Gascon, Jorge (author), Fertey, Pierre (author), Elkaim, Erik (author), Serre, Christian (author), Devic, Thomas (author)
The reactivity of 2,5-dihydroxyterephthalic acid (H<sub>4</sub>DOBDC) with titanium(IV) precursors was thoroughly investigated for the synthesis of metal-organic frameworks under solvothermal conditions. Four crystalline phases were isolated whose structures were studied by a combination of single-crystal or powder X-ray diffraction and solid...
journal article 2016
document
Boeije, M.F.J. (author), Roy, P. (author), Guillou, F. (author), Yibole, H. (author), Miao, X.F. (author), Caron, L. (author), Banerjee, D. (author), van Dijk, N.H. (author), de Groot, R.M. (author), Brück, E.H. (author)
Magnetic cooling is a highly efficient refrigeration technique with the potential to replace the traditional vapor compression cycle. It is based on the magnetocaloric effect, which is associated with the temperature change of a material when placed in a magnetic field. We present experimental evidence for the origin of the giant entropy...
journal article 2016
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Markey, K. (author), Putzeys, T. (author), Horcajada, P. (author), Devic, T. (author), Guillou, N. (author), Wübbenhorst, M. (author), Van Cleuvenbergen, S. (author), Verbiest, T. (author), De Vos, D.E. (author), Van der Veen, M.A. (author)
Polar metal–organic frameworks have potential applications as functional non-linear optical, piezoelectric, pyroelectric and ferroelectric materials. Using second harmonic generation microscopy we found that fluoride doping of the microporous iron(III) terephthalate MOF MIL-53(Fe) induces a polar organization in its structure, which was not...
journal article 2016
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Schramm, C (author), Guillou, A (author), Schachtschneider, R (author), Fink, P (author), Scholten, D.J. (author), Derdevet, Michel (author)
journal article 2016
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Yibole, H. (author), Guillou, F. (author), Caron, L. (author), Jimenez, E. (author), De Groot, F.M.F. (author), Roy, P. (author), De Groot, R. (author), Van Dijk, N.H. (author), Brück, E. (author)
A strong electronic reconstruction resulting in a quenching of the Fe magnetic moments has recently been predicted to be at the origin of the giant magnetocaloric effect displayed by Fe2P-based materials. To verify this scenario, x-ray magnetic circular dichroism experiments have been carried out at the L edges of Mn and Fe for two typical...
journal article 2015
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Guillou, F. (author), Porcari, G. (author), Yibole, H. (author), Van Dijk, N.H. (author), Brück, E. (author)
Large magnetically driven temperature changes are observed in MnFe(P,Si,B) materials simultaneously with large entropy changes, limited (thermal or magnetic) hysteresis, and good mechanical stability. The partial substitution of B for P in MnFe(P,Si) compounds is found to be an ideal parameter to control the latent heat observed at the Curie...
journal article 2014
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Guillou, F. (author), Brück, E. (author)
The inverse magnetocaloric effect taking place at the antiferro-to-ferromagnetic transition of (Co,Fe)MnP phosphides has been characterised by magnetic and direct ?Tad measurements. In Co0.53Fe0.47MnP, entropy change of 1.5?Jkg?1?K?1 and adiabatic temperature change of 0.6?K are found at room temperature for an intermediate field change (?B?=?1...
journal article 2013
document
Juan-Alcaniz, J. (author), Gielisse, R. (author), Lago, A.B. (author), Ramos-Fernandez, E.V. (author), Serra-Crespo, P. (author), Devic, T. (author), Guillou, N. (author), Serre, C. (author), Kapteijn, F. (author), Gascon, J. (author)
In this work, the inclusion of free sulfonic acid groups in highly stable MOFs is explored. The synthesized catalysts have been applied in a model esterification reaction. Two metal organic frameworks bearing sulfonic acid moieties are investigated: HSO3-MIL-101(Cr) synthesized following different approaches and a new structure based on HSO3-bdc...
journal article 2013
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