Search Results - "TOURNUS, F"

Playing with carbon and silicon at the nanoscale by Mélinon, P, Masenelli, B, Tournus, F, Perez, A

“…Because of its superior properties silicon carbide is one of the most promising materials for power electronics, hard- and biomaterials. In the solid phase,…”
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Magnetic susceptibility curves of a nanoparticle assembly II. Simulation and analysis of ZFC/FC curves in the case of a magnetic anisotropy energy distribution by Tournus, F., Tamion, A.

“…Starting from the theoretical results established in Tournus and Bonet (2010 [1]) to describe ZFC/FC (zero-field cooled/field cooled) susceptibility curves, we…”
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Modelling of isothermal remanence magnetisation curves for an assembly of macrospins by Tournus, F.

“…We present a robust and efficient framework to compute isothermal remanent magnetisation (IRM) curves for magnetic nanoparticle assemblies. The assembly is…”
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Magnetic susceptibility curves of a nanoparticle assembly, I: Theoretical model and analytical expressions for a single magnetic anisotropy energy by Tournus, F., Bonet, E.

“…We study a model system made of non-interacting monodomain ferromagnetic nanoparticles, considered as macrospins, with a randomly oriented uniaxial magnetic…”
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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…”
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Π-stacking interaction between carbon nanotubes and organic molecules by TOURNUS, F, LATIL, S, HEGGIE, M. I, CHARLIER, J.-C

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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…”
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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…”
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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…”
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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…”
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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…”
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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…”
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Chemical composition dispersion in bi-metallic nanoparticles: semi-automated analysis using HAADF-STEM by Epicier, T., Sato, K., Tournus, F., Konno, T.

“…We present a method using high-angle annular dark field scanning transmission electron microscopy (HAADF-STEM) to determine the chemical composition of…”
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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…”
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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…”
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Self-Organization of Size-Selected Bare Platinum Nanoclusters:  Toward Ultra-dense Catalytic Systems by Tainoff, D, Bardotti, L, Tournus, F, Guiraud, G, Boisron, O, Mélinon, P

“…Novel applications in catalysis rely on the design of tailored nanoarchitectures. In this field, we present a new physical route, based on ultrahigh vacuum…”
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Dimensionality transition in submonolayer growth on carbon nanotubes by Delagrange, R., Tournus, F., Bardotti, L., Benoit, J. M., Pierre-Louis, O.

“…We report on the transition from two-dimensional to one-dimensional (1D) behavior observed in submonolayer deposition on a tubular substrate. Using kinetic…”
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Behavior of size selected iron–platinum clusters soft landed on carbon nanotubes by Bardotti, L., Tournus, F., Delagrange, R., Benoit, J.-M., Pierre-Louis, O., Dupuis, V.

“…•Size-selected FePt clusters have been deposited under vacuum on carbon nanotubes.•The ability of clusters to diffuse on the nanotube surface is put into…”
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Magnetic Anisotropy Dispersion in CoPt Nanoparticles: An Evaluation Using the NÉel Model by Tournus, F., Rohart, S., Dupuis, V.

“…Various contributions to the magnetic anisotropy energy (MAE) dispersion for an assembly of CoPt nanoparticles are examined, using the empirical Neel…”
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Self organisation of Pt and Au clusters deposited on graphite: the role of reactivity by Bardotti, L., Tournus, F., Mélinon, P., Pellarin, M., Broyer, M.

“…Spontaneous organisation of preformed size selected platinum and gold clusters on graphite is discussed in terms of reactivity with residual gases. The…”
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