Search Results - "Elkaïm, E"

β(L)-Bi2Mo2O9: A new, highly active and selective, mild oxidation bismuth molybdate catalyst by Le, T.M.N., Guillou, N., Elkaïm, E., Aouine, M., Millet, J.M.M.

“…[Display omitted] •A new bismuth molybdate β(L)-Bi2Mo2O9 has been discovered and its structure solved.•This phase appears to be a low temperature polymorphic…”
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Influence of trace level As or Ni on pyrite formation kinetics at low temperature by Baya, C., Le Pape, P., Baptiste, B., Brest, J., Landrot, G., Elkaim, E., Noël, V., Blanchard, M., Ona-Nguema, G., Juillot, F., Morin, G.

“…Pyrite formation at low temperature during early diagenesis in (sub-)surface sediments is an essential step of Fe and S biogeochemical cycles and the presence…”
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Structural and magnetic characterization of barbosalite Fe3(PO4)2(OH)2 by Poienar, M., Damay, F., Rouquette, J., Ranieri, V., Malo, S., Maignan, A., Elkaïm, E., Haines, J., Martin, C.

“…Single crystals and polycrystalline samples of barbosalite Fe3(PO4)2(OH)2 iron phosphate were successfully synthesized by hydrothermal method at low pressure…”
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Localised Ag+ vibrations at the origin of ultralow thermal conductivity in layered thermoelectric AgCrSe2 by Damay, F., Petit, S., Rols, S., Braendlein, M., Daou, R., Elkaïm, E., Fauth, F., Gascoin, F., Martin, C., Maignan, A.

“…In materials science, the substructure approach consists in imagining complex materials in which a particular property is associated with a distinct structural…”
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M n 2 Te O 6: Complex antiferromagnetism as a consequence of the Jahn-Teller distortion by Matsubara, N., Martin, Christine, Vertruyen, B., Maignan, A., Fauth, F., Manuel, P., Hardy, V., Khalyavin, D., Elkaim, E., Damay, F.

“…Structural and magnetic transitions in the distorted inverse trirutile Mn2TeO6 have been studied between 1.5 and 300 K using magnetization, dielectric…”
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Oxygen storage capacity and structural flexibility of LuFe2O4+x (0≤x≤0.5) by Hervieu, M., Guesdon, A., Bourgeois, J., Elkaïm, E., Poienar, M., Damay, F., Rouquette, J., Maignan, A., Martin, C.

“…Combining functionalities in devices with high performances is a great challenge that rests on the discovery and optimization of materials. In this framework,…”
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Evidence of oxygen-dependent modulation in LuFe2O4 by Bourgeois, J., Hervieu, M., Poienar, M., M. Abakumov, A., Elkaïm, E., T. Sougrati, M., Porcher, F., Damay, F., Rouquette, Jérôme, van Tendeloo, G., Maignan, A., Haines, J., Martin, Christine

“…A polycrystalline sample of LuFe2O4 has been investigated by means of powder synchrotron x-ray and neutron diffraction and transmission electron microscopy…”
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Evidence of magnetic phase separation in LuFe2O4 by Bourgeois, J., André, G., Petit, S., Robert, J., Poienar, M., Rouquette, Jérôme, Elkaïm, E., Hervieu, M., Maignan, A., Martin, Christine, Damay, F.

“…The magnetic properties of a polycrystalline sample of LuFe2O4 have been investigated by means of magnetization measurements combined with neutron scattering,…”
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Nanostructures in LuFe2O4+δ by Hervieu, M., Damay, F., Poienar, M., Elkaïm, E., Rouquette, J., Abakumov, A.M., Van Tendeloo, G., Maignan, A., Martin, C.

“…A LuFe2O4+δ sample, previously characterized by X-ray synchrotron and neutron diffraction, has been studied by electron microscopy techniques, in order to get…”
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Oxidation and crystallographic features of the new prototype structure Ti4NiSi4 by Chaia, N., François, M., Mathieu, S., Elkaïm, E., Rouillard, F., Vilasi, M.

“…The oxidation resistance and the crystal structure of the new Ti4NiSi4 compound were investigated. This compound was manufactured both as a single-phase and as…”
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One-dimensional fluctuating nanodomains in the charge-transfer molecular system TTF-CA and their first-order crystallization by Buron-Le Cointe, M, Lemée-Cailleau, M H, Cailleau, H, Ravy, S, Bérar, J F, Rouzière, S, Elkaïm, E, Collet, E

“…We report on the direct observation by x-ray diffuse scattering measurements of thermally induced one-dimensional nanoscale ordered fluctuations in the…”
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Cationic disorder, microstructure and dielectric response of ferroelectric SBT ceramics by Muller, Ch, Jacob, F., Gagou, Y., Elkaïm, E.

“…Polycrystalline samples of SrBi2Ta2O9 (acronym SBT) have been prepared by means of solid‐state reaction either using a classical route or by mechano­chemical…”
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Magnetic anisotropy and microstructure in sputtered CoPt(1 1 0) films by Abes, M, Ersen, O, Elkaı̈m, E, Schmerber, G, Ulhaq-Bouillet, C, Dinia, A, Panissod, P, Pierron-Bohnes, V

“…We compare structural and magnetic properties of CoPt films sputtered at 900 K on MgO(1 1 0) (with a Pt(1 1 0) buffer layer) and MgO(0 0 1) (with a Pt(0 0 1)…”
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Na3V2(PO4)2F3 Revisited: A High-Resolution Diffraction Study by Bianchini, M, Brisset, N, Fauth, F, Weill, F, Elkaim, E, Suard, E, Masquelier, C, Croguennec, L

“…Na3V2(PO4)2F3 is a material that has been attracting great interest as a potential positive electrode for Na-ion batteries. Its crystal structure was…”
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Compressibility and Structural Transformations of Aluminogermanate Imogolite Nanotubes under Hydrostatic Pressure by Rouzière, S., Balédent, V., Paineau, E., Elkaim, E., Bizien, T., Nataf, L., Pan, Y., Launois, P.

“…We present in situ pressure experiments on aluminogermanate nanotubes studied by X-ray scattering and absorption spectroscopy measurements. Structural…”
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Diffraction study of the piezoelectric properties of low quartz by GUILLOT, R, FERTEY, P, HANSEN, N. K, ALLE, P, ELKAÏM, E, LECOMTE, C

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Study of the nanostructuration of ZrAu alloy near the ambient temperature by X-ray diffraction and thermal analyses by Isa, M, Valmalette, J.-Ch, Muller, Ch, Lomello-Tafin, M, Gas, P, Elkaı̈m, E

“…Spontaneous nanostructuration in air of the crystallized ZrAu alloy has been followed by X-ray diffraction using both synchrotron radiation and conventional…”
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Phase diagram and order-disorder transitions in Y0.9Gd0.1Fe2Hx hydrides (x ≥ 2.9) by Paul-Boncour, V., Provost, K., Alleno, E., N’Diaye, A., Couturas, F., Elkaim, E.

“…•Y0.9Gd0.1Fe2-H2 system displays a multiplateau Pressure-Composition Isotherm.•Y0.9Gd0.1Fe2Hx (x = 2.9–5) hydrides crystallize in six different structures at…”
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Structural study of ferroelectric and paraelectric phases in PbK2LiNb5O15 by Gagou, Y., Muller, Ch, Frémy, M.-A., Mezzane, D., Elkaïm, E., Saint-Grégoire, P.

“…The structures of PbK2LiNb5O15 showing the ferroelectricity below about 640 K have been studied in the paraelectric and ferroelectric phases by means of…”
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Correlation among Structure, Microstructure, and Electrochemical Properties of NiAl–CO3 Layered Double Hydroxide Thin Films by Faour, A, Mousty, C, Prevot, V, Devouard, B, De Roy, A, Bordet, P, Elkaim, E, Taviot-Gueho, C

“…We studied a series of NiAl–CO3 layered double hydroxides (LDHs) of various degrees of crystallinity prepared by a glycine-assisted hydrothermal method. The…”
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