599 citations
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12 papers · 1 filter
Chiral criticality in doped MnFeSi compounds
S. V. Grigoriev, E. V. Moskvin, V. A. Dyadkin +4
The critical spin fluctuations in doped compounds MnFeSi have been studied by means of ac-susceptibility measurements, polarized neutron small angle scattering and spin…
Anisotropic Reinforcement of Nanocomposites Tuned by Magnetic Orientation of the Filler Network
Jacques Jestin, Fabrice Cousin, Isabelle Dubois +4
We present a new material which displays anisotropic and mechanical properties tuneable during synthesis under magnetic field. It is formulated by mixing aqueous suspensions of pol…
Well dispersed fractal aggregates as filler in polymer-silica nanocomposites: long range effects in rheology
Nicolas Jouault, Perrine Vallat, Florent Dalmas +3
We are presenting a new method of processing polystyrene-silica nanocomposites, which results in a very well-defined dispersion of small primary aggregates (assembly of 15 nanopart…
Experimental magnetic form factors in Co3V2O8: A combined study of ab initio calculations, magnetic Compton scattering and polarized neutron diffraction
N. Qureshi, M. Zbiri, J. Rodríguez-Carvajal +13
We present a combination of ab initio calculations, magnetic Compton scattering and polarized neutron experiments, which elucidate the density distribution of unpaired electrons in…
Magnetic states and spin-glass properties in Bi0.67Ca0.33MnO3: macroscopic ac measurements and neutron scattering
M. Giot, A. Pautrat, G. Andre +3
We report on the magnetic properties of the manganite Bi_{1-x}Ca_{x}MnO_3 (x=0.33) at low temperature. The analysis of the field expansion of the ac susceptibility and the observat…
Electric-field-induced spin-flop in BiFeO3 single crystals at room-temperature
D. Lebeugle, D. Colson, A. Forget +3
Bismuth ferrite, BiFeO3, is the only known room-temperature 'multiferroic' material. We demonstrate here, using neutron scattering measurements in high quality single crystals, tha…