Search Results - "DUPUIS, V"

Multi-L1(0) domain CoPt and FePt nanoparticles revealed by electron microscopy by Tournus, F, Sato, K, Epicier, T, Konno, T J, Dupuis, V

“…The atomic structure of CoPt and FePt nanoparticles (with a diameter between 2 and 5 nm) has been studied by transmission electron microscopy. The particles…”
Get full text

Rheological investigations on the theoretical predicted “Poisoning” effect in bidisperse ferrofluids by Siebert, E., Dupuis, V., Neveu, S., Odenbach, S.

“…Interparticle interactions in ferrofluids especially the influence of small particles on the agglomeration behaviour of large particles were the topic of…”
Get full text

Magnetic anisotropy of a single cobalt nanocluster by Jamet, M, Wernsdorfer, W, Thirion, C, Mailly, D, Dupuis, V, Mélinon, P, Pérez, A

“…Using a new micro-SQUID setup, we investigate magnetic anisotropy in a single 1000-atom cobalt cluster. This system opens new fields in the characterization…”
Get full text

Magnetic moments in chemically ordered mass-selected CoPt and FePt clusters by Dupuis, V., Khadra, G., Linas, S., Hillion, A., Gragnaniello, L., Tamion, A., Tuaillon-Combes, J., Bardotti, L., Tournus, F., Otero, E., Ohresser, P., Rogalev, A., Wilhelm, F.

“…By combining high photon flux and chemical selectivity, X-ray absorption spectroscopy and X-ray magnetic circular dichroism (XMCD) have been used to study the…”
Get full text

Synthesis and magnetic properties of size-selected CoPt nanoparticles by Tournus, F., Blanc, N., Tamion, A., Hillenkamp, M., Dupuis, V.

“…CoPt nanoparticles are widely studied, in particular for their potentially very high magnetic anisotropy. However, their magnetic properties can differ from…”
Get full text

Magnetic and structural properties of isolated and assembled clusters by Bansmann, J., Baker, S.H., Binns, C., Blackman, J.A., Bucher, J.-P., Dorantes-Dávila, J., Dupuis, V., Favre, L., Kechrakos, D., Kleibert, A., Meiwes-Broer, K.-H., Pastor, G.M., Perez, A., Toulemonde, O., Trohidou, K.N., Tuaillon, J., Xie, Y.

“…Within the last years, a fundamental understanding of nanoscaled materials has become a tremendous challenge for any technical applications. For magnetic…”
Get full text

Advanced magnetic anisotropy determination through isothermal remanent magnetization of nanoparticles by Hillion, A., Tamion, A., Tournus, F., Gaier, O., Bonet, E., Albin, C., Dupuis, V.

“…We propose a theoretical framework enabling the simulation of isothermal remanence magnetization (IRM) curves, based on the Stoner-Wohlfarth model combined…”
Get full text

Bottom-up strategies for the assembling of magnetic systems using nanoclusters by Dupuis, V., Hillion, A., Robert, A., Loiselet, O., Khadra, G., Capiod, P., Albin, C., Boisron, O., Le Roy, D., Bardotti, L., Tournus, F., Tamion, A.

“…In the frame of the 20th Anniversary of the Journal of Nanoparticle Research (JNR), our aim is to start from the historical context 20 years ago and to give…”
Get full text

The heat and health in cities (H2C) project to support the prevention of extreme heat in cities by Lemonsu, A., Alessandrini, J.M., Capo, J., Claeys, M., Cordeau, E., de Munck, C., Dahech, S., Dupont, J.C., Dugay, F., Dupuis, V., Forceville, G., Garrigou, S., Garrouste, O., Goret, M., Goria, S., Haeffelin, M., Host, S., Joly, C., Keravec, P., Kotthaus, S., Laruelle, N., Madelin, M., Masson, V., Mauclair, C., Nagel, T., Pascal, M., Ribaud, J.F., Roberts, G., Rosso, A., Roy, A., Sabre, M., Sanchez, O., Stempfelet, M., Wei, W., Wilson, R., Wurtz, J.

“…The main goal of the Heat and Health in Cities (H2C) French project is to improve the urban climate services to support preventive actions and policies to deal…”
Get full text

Intrinsic magnetic properties of bimetallic nanoparticles elaborated by cluster beam deposition by Dupuis, V, Khadra, G, Hillion, A, Tamion, A, Tuaillon-Combes, J, Bardotti, L, Tournus, F

“…In this paper, we present some specific chemical and magnetic order obtained very recently on characteristic bimetallic nanoalloys prepared by mass-selected…”
Get more information

“Nanocasting”:  Using SBA-15 Silicas as Hard Templates to Obtain Ultrasmall Monodispersed γ-Fe2O3 Nanoparticles by Delahaye, E, Escax, V, El Hassan, N, Davidson, A, Aquino, R, Dupuis, V, Perzynski, R, Raikher, Y. L

“…This work describes the use of mesoporous SBA-15 silicas as hard templates for the size-controlled synthesis of oxide nanoparticles, with the pores acting as…”
Get full text

Low temperature ferromagnetism in chemically ordered FeRh nanocrystals by Hillion, A, Cavallin, A, Vlaic, S, Tamion, A, Tournus, F, Khadra, G, Dreiser, J, Piamonteze, C, Nolting, F, Rusponi, S, Sato, K, Konno, T J, Proux, O, Dupuis, V, Brune, H

“…In sharp contrast to previous studies on FeRh bulk, thin films, and nanoparticles, we report the persistence of ferromagnetic order down to 3 K for…”
Get full text

Dynamic correlation length growth in superspin glass: Bridging experiments and simulations by Nakamae, S, Crauste-Thibierge, C, L'Hote, D, Vincent, E, Dubois, E, Dupuis, V, Perzynski, R

“…Interacting magnetic nanoparticles display a wide variety of magnetic behaviors that are now being gathered in the emerging field of “supermagnetism.” We have…”
Get full text

Correction to: Anisotropic composite polymer for high magnetic force in microfluidic systems by Deman, A.-L., Mekkaoui, S., Dhungana, D., Chateaux, J.-F., Tamion, A., Degouttes, J., Dupuis, V., Le Roy, D.

“…In the original publication of the article, Eq. 2 was incorrect…”
Get full text

Dynamics of paramagnetic nanostructured rods under rotating field by Frka-Petesic, B., Erglis, K., Berret, J.F., Cebers, A., Dupuis, V., Fresnais, J., Sandre, O., Perzynski, R.

“…The dynamical rotational behavior of magnetic nanostructured rods based on the auto-association of maghemite nanoparticles and block-copolymers is probed by…”
Get full text

Glassy dynamics and aging in a dense ferrofluid by Robert, A, Wandersman, E, Dubois, E, Dupuis, V, Perzynski, R

“…X-ray Photon Correlation Spectroscopy is used here to probe for the first time a glass-forming dispersion of repulsive particles spherical and $10\un{nm}$…”
Get full text

Element-specific quantitative determination of the local atomic order in CoPt alloy nanoparticles: Experiment and theory by Blanc, N., Díaz-Sánchez, L. E., Ramos, A. Y., Tournus, F., Tolentino, H. C. N., De Santis, M., Proux, O., Tamion, A., Tuaillon-Combes, J., Bardotti, L., Boisron, O., Pastor, G. M., Dupuis, V.

“…An annealing-driven transition from a chemically disordered A1-like structure to a chemically ordered L1 sub(0)-like phase has been revealed for size-selected…”
Get full text

Spin anisotropy and slow dynamics in spin glasses by Bert, F, Dupuis, V, Vincent, E, Hammann, J, Bouchaud, J-P

“…We report on an extensive study of the influence of spin anisotropy on spin glass aging dynamics. New temperature cycle experiments allow us to compare…”
Get full text

Anisotropic composite polymer for high magnetic force in microfluidic systems by Deman, A.-L., Mekkaoui, S., Dhungana, D., Chateaux, J.-F., Tamion, A., Degouttes, J., Dupuis, V., Le Roy, D.

“…Anisotropic carbonyl iron–polydimethylsiloxane (PDMS) composites were developed and implemented in microfluidic devices to serve as magnetic flux…”
Get full text

Effect of nonlinear superparamagnetic response on susceptibility curves for nanoparticle assemblies by Tournus, F., Hillion, A., Tamion, A., Dupuis, V.

“…We examine the effect of the applied magnetic field amplitude on zero field-cooled/field-cooled (ZFC/FC) curves, through the nonlinear susceptibility of…”
Get full text