Search Results - "Pourroy, G"

Hydrothermal Synthesis of Monodisperse Magnetite Nanoparticles by Daou, T. J, Pourroy, G, Bégin-Colin, S, Grenèche, J. M, Ulhaq-Bouillet, C, Legaré, P, Bernhardt, P, Leuvrey, C, Rogez, G

“…Magnetite particles with an average size of 39 nm and good monodispersity have been synthesized by coprecipitation at 70 °C from ferrous Fe2+ and ferric Fe3+…”
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Coupling Agent Effect on Magnetic Properties of Functionalized Magnetite-Based Nanoparticles by Daou, T. J, Grenèche, J. M, Pourroy, G, Buathong, S, Derory, A, Ulhaq-Bouillet, C, Donnio, B, Guillon, D, Begin-Colin, S

“…The effect of surface inorganic−organic interactions on magnetic and structural properties of iron oxide magnetic nanoparticles functionalized by lipophilic…”
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Size-dependent properties of magnetic iron oxide nanocrystals by Demortière, A, Panissod, P, Pichon, B P, Pourroy, G, Guillon, D, Donnio, B, Bégin-Colin, S

“…The fine control of iron oxide nanocrystal sizes within the nanometre scale (diameters range from 2.5 to 14 nm) allows us to investigate accurately the…”
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Phosphate Adsorption Properties of Magnetite-Based Nanoparticles by Daou, T. J, Begin-Colin, S, Grenèche, J. M, Thomas, F, Derory, A, Bernhardt, P, Legaré, P, Pourroy, G

“…Magnetite nanoparticles of 40 nm in size have been phosphated in orthophosphoric acid. Large phosphatation rates, equivalent to goethite capacity, have been…”
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WO3 Nanoparticles in the 5−30 nm Range by Solvothermal Synthesis under Microwave or Resistive Heating by Le Houx, N, Pourroy, G, Camerel, F, Comet, M, Spitzer, D

“…WO3 nanoparticles in the 5−30 nm range have been prepared by solvothermal treatment of tungsten chloride in benzyl alcohol up to 210 °C followed by annealing…”
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Promoting the magnetic exchanges in PLD deposited strained films of FeV2O4 thin films by Roulland, F., Roseau, G., Corredor, A. Pena, Wendling, L., Krieger, G., Lefevre, C., Trassin, M., Pourroy, G., Viart, N.

“…Transition metal complex oxides are remarkable for the richness of tunable physical properties their strongly correlated electrons allow. We have undertaken…”
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Nanoporous hydroxyapatite/sodium titanate bilayer on titanium implants for improved osteointegration by Carradò, A, Perrin-Schmitt, F, Le, Q.V, Giraudel, M, Fischer, C, Koenig, G, Jacomine, L, Behr, L, Chalom, A, Fiette, L, Morlet, A, Pourroy, G

“…Abstract Objective The aim of this study was to improve the strength and quality of the titanium–hydroxyapatite interface in order to prevent long-term failure…”
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Non-auxetic/auxetic transitions inducing modifications of the magnetic anisotropy in CoFe2O4 thin films by Martin, E., Roulland, F., Grenier, S., Appert, F., Juraszek, J., Trassin, M., Bouillet, C., Chikoidze, E., Arnold, C., Berini, B., Dumont, Y., Colis, S., Barre, S., Versini, G., Preziosi, D., Leuvrey, C., Blanc, N., Boudet, N., Pourroy, G., Viart, N., Lefèvre, C.

“…An auxetic behaviour is evidenced in CoFe2O4 thin films grown by pulsed laser deposition on (100) MgO substrates under various O2/N2 pressures. This rare…”
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Broadband Permeability Spectra of Flake-Shaped Ferromagnetic Particle Composites by Raolison, Z., Clement, Q., Adenot-Engelvin, A.-L, Mallejac, N., Lefevre, C., Pourroy, G., Boust, F., Vukadinovic, N.

“…Broadband permeability spectra of aligned ferromagnetic flakes embedded in a nonmagnetic polymer matrix have been measured using an APC-7 coaxial line within…”
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Novel metallic iron/manganese–zinc ferrite nanocomposites prepared by microwave hydrothermal flash synthesis by Caillot, T., Pourroy, G., Stuerga, D.

“…Metallic iron/manganese zinc ferrite nanocomposite crystal. [Display omitted] ▶ These nanocomposites were prepared for the first time by microwave flash…”
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Preparation and Microwave Properties of Silica Coated Ni-Fe-Mo Flakes Composites by Raolison, Z., Lefevre, C., Neige, J., Adenot-Engelvin, A.-L., Pourroy, G., Vukadinovic, N.

“…Fabrication of silica coated permalloy-like flaky particles and microwave properties of uncoated and coated particles dispersed in a polymer matrix are…”
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Properties and suspension stability of dendronized iron oxide nanoparticles for MRI applications by Basly, B, Felder-Flesch, D, Perriat, P, Pourroy, G, Bégin-Colin, S

“…Functionalized iron oxide nanoparticles have attracted an increasing interest in the last 10 years as contrast agents for MRI. One challenge is to obtain…”
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Development and applications of a DNA labeling method with magnetic nanoparticles to study the role of horizontal gene transfer events between bacteria in soil pollutant bioremediation processes by Pivetal, J, Frénéa-Robin, M, Haddour, N, Vézy, C, Zanini, L. F, Ciuta, G, Dempsey, N. M, Dumas-Bouchiat, F, Reyne, G, Bégin-Colin, S, Felder-Flesh, D, Ghobril, C, Pourroy, G, Simonet, P

“…Horizontal gene transfers are critical mechanisms of bacterial evolution and adaptation that are involved to a significant level in the degradation of toxic…”
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Investigation of the grafting rate of organic molecules on the surface of magnetite nanoparticles as a function of the coupling agent by Daou, T.J., Buathong, S., Ung, D., Donnio, B., Pourroy, G., Guillon, D., Bégin, S.

“…The design and the functionalisation of nanoparticles is a promising way to elaborate new functional materials, with combined or coupled properties (magnetic,…”
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Role of the Alloy and Spinel in the Catalytic Behavior of Fe−Co/Cobalt Magnetite Composites under CO and CO2 Hydrogenation by Tihay, F., Roger, A. C., Pourroy, G., Kiennemann, A.

“…The aim of this work is to compare the reactivity and the transformation of the Fe−Co alloy on the one side and the Co-containing magnetite on the other side…”
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Fe–Co based metal/spinel to produce light olefins from syngas by Tihay, F, Roger, A.C, Kiennemann, A, Pourroy, G

“…New metal/oxide (Co–Fe) catalysts (with no reduction or thermal pre-treatment) are efficient to produce light hydrocarbons with a low selectivity in CO 2 by…”
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Magnetic dilution of the iron sublattice in CoFe2-xScxO4 (0 ≤ x ≤ 1) by LEFEVRE, C, ROULLAND, F, VIART, N, GRENECHE, J. M, POURROY, G

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Epitaxial thin films of multiferroic GaFeO3 on conducting indium tin oxide (001) buffered yttrium-stabilized zirconia (001) by pulsed laser deposition by Trassin, M., Viart, N., Versini, G., Loison, J.-L., Vola, J.-P., Schmerber, G., Crégut, O., Barre, S., Pourroy, G., Lee, J. H., Jo, W., Mény, C.

“…Epitaxial films of an alternative multiferroic material, GaFeO3 (GFO), were grown by pulsed laser deposition on yttrium-stabilized zirconia (001) and on…”
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Microwave hydrothermal flash synthesis of nanocomposites Fe–Co alloy/cobalt ferrite by Caillot, T., Pourroy, G., Stuerga, D.

“…The present article presents, for the first time, the last developments reported for an original microwave hydrothermal flash synthesis of Fe–Co alloys…”
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Synthesis and characterization of Co/ZnO nanocomposites: towards new perspectives offered by metal/piezoelectric composite materials by Viart, N, Richard-Plouet, M, Muller, D, Pourroy, G

“…A new type of composite material, consisting of metallic cobalt nanoparticles dispersed within a piezoelectric ZnO matrix has been elaborated by a sol–gel…”
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