Search Results - "Trolliard, G."

A transmission electron microscopy study of the A-site disordered perovskite Na0.5Bi0.5TiO3 by DORCET, V, TROLLIARD, G

“…A transmission electron microscopy study of Na0.5Bi0.5TiO3 (NBT) crystals shows two types of ferroelectric domains characterized by interface boundaries lying…”
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A study of the densification mechanisms during spark plasma sintering of zirconium (oxy-)carbide powders by Gendre, M., Maître, A., Trolliard, G.

“…Zirconium oxycarbide powders with controlled composition ZrC 0.94O 0.05 were synthesized using the carboreduction of zirconia. They were further subjected to…”
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Study of the TiC1-x – TiO2 reactive interface by Réjasse, F., Trolliard, G., Léchelle, J., Rapaud, O., Carles, P., Grauby, O., Khodja, H.

“…The TiC1-x–TiO2 reactive interface obtained at 1100 °C has been studied by local structural investigations using Transmission Electron Microscopy (TEM) and…”
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The structural origin of the antiferroelectric properties and relaxor behavior of Na0.5Bi0.5TiO3 by DORCET, V, TROLLIARD, G, BOULLAY, P

“…This work presents a study of Na0.5Bi0.5TiO3 (NBT) by transmission electron microscopy in the 20-370 deg C temperature range. A new orthorhombic intermediate…”
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TEM study of the reaction mechanisms involved in the carbothermal reduction of zirconia by David, J., Trolliard, G., Gendre, M., Maître, A.

“…The carbothermal reduction of zirconia has been studied by TEM. The starting reactants consist in carbon black and monoclinic zirconia. Two successive steps…”
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Transmission electron microscopy study of the reaction mechanisms involved in the carbothermal reduction of anatase by David, J., Trolliard, G., Maître, A.

“…The carbothermal reduction of anatase in titanium oxycarbide was studied by transmission electron microscopy (TEM). This study emphasizes that the reaction…”
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Novel insight into the chemical analysis of light elements in oxycarbides by Réjasse, F., Rapaud, O., Léchelle, J., Trolliard, G., Khodja, H., Masson, O., Martin, G., Maître, A.

“…Pure powders of TiCxO(1-x) solid solution were synthesized through the carbothermal route. The chemical analysis of the light elements in the as-obtained…”
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High temperature compressive creep of spark plasma sintered zirconium (oxy-)carbide by Antou, G., Gendre, M., Laborde, E., Maître, A., Trolliard, G.

“…The effect of stoichiometry (i.e. carbon and oxygen contents) and microstructure (i.e. micro-sized grains) on creep mechanism of zirconium oxycarbide was…”
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Properties of the solid solution (1―x)Na0.5Bi0.5TiO3―(x)BiFeO3 by DORCET, V, MARCHET, P, PENA, O, TROLLIARD, G

“…This study shows that remarkable electric and magnetic properties are encountered within the (1-x)Na0.5Bi0.5TiO3 (NBT)-(x)BiFeO3 (BF) solid solution. Dual…”
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Thermomechanical properties of a spark plasma sintered ZrC–SiC composite obtained by a precursor derived ceramic route by Antou, G., Ohin, M.D., Lucas, R., Trolliard, G., Clegg, W.J., Foucaud, S., Maître, A.

“…The thermomechanical behaviour of a spark plasma sintered ZrC-30wt% SiC composite, made with a ceramic precursor, are characterised and compared with…”
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Structural and dielectric studies of the Na0.5Bi0.5TiO3-BiFeO3 system by DORCET, V, MARCHET, P, TROLLIARD, G

“…Solid solutions (1−x)NBT–xBF, between rhombohedral compounds Na0.5Bi0.5TiO3 (NBT) and BiFeO3 (BF) were studied and a continuous R3c solid solution was…”
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Role of boron on the Spark Plasma Sintering of an α-SiC powder by Maître, A., Put, A. Vande, Laval, J.P., Valette, S., Trolliard, G.

“…This study deals with the role of non-oxide sintering aids such as boron carbide (B 4C) or – free boron (B) plus free carbon (C) – on the Spark Plasma…”
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Reinvestigation of Phase Transitions in Na0.5Bi0.5TiO3 by TEM. Part II: Second Order Orthorhombic to Tetragonal Phase Transition by Trolliard, G, Dorcet, V

“…NBT presents an orthorhombic to tetragonal second order phase transition that occurs near 320 °C. It corresponds to the so-called…”
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Pure orthorhombic zirconia islands grown on single-crystal sapphire substrates by Trolliard, G., Benmechta, R., Mercurio, D.

“…This study reports on the occurrence of pure orthorhombic zirconia obtained for the first time at ambient pressure. Thin films of pure zirconia are composed of…”
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Role of impurities on the spark plasma sintering of ZrCx-ZrB2 composites by GOUTIER, F, TROLLIARD, G, VALETTE, S, MAITRE, A, ESTOURNES, C

“…Spark plasma sintering of ZrCx and ZrCx-ZrB2 composites was studied, considering the effect of experimental parameters such as applied load, temperature and…”
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Reinvestigation of Phase Transitions in Na0.5Bi0.5TiO3 by TEM. Part I: First Order Rhombohedral to Orthorhombic Phase Transition by Dorcet, V, Trolliard, G, Boullay, P

“…This study shows for the first time that the rhombohedral to tetragonal phase transition in Na0.5Bi0.5TiO3 (NBT) is a two step phase transition. The…”
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Microstructural and electrical characterization of bulk YBa2Cu3O7−δ ceramics by Suasmoro, S, Khalfi, M F, Khalfi, A, Trolliard, G, Smith, D S, Bonnet, J P

“…It has been demonstrated that the current carrying cross section influences the critical current density Jc and electrical resistivity rho(300) in…”
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Iron/wüstite/magnetite/alumina relationships in plasma coated steel: A TEM study by Valette, S., Trolliard, G., Denoirjean, A., Lefort, P.

“…Despite very low surface roughness values of steel substrates (Ra = 0.06 μm), plasma sprayed coatings of Al 2O 3 exhibited an excellent adhesion (> 60 MPa)…”
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Toward a Unified Approach to the Crystal Chemistry of Aurivillius-Type Compounds.: I. The Structural Model by Boullay, Ph, Trolliard, G., Mercurio, D., Perez-Mato, J.M., Elcoro, L.

“…A generalized structural model of Aurivillius-type compounds is presented using a 4D superspace group analysis where Aurivillius structures are considered as…”
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Cation-deficient perovskite-related compounds (Ba, La)nTin-1O3n (n = 4, 5, and 6) : a Rietveld refinement from neutron powder diffraction data by TENEZE, N, MERCURIO, D, TROLLIARD, G, FRIT, B

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