Search Results - "Jardiel, T."

Reaction pathways in the solid state synthesis of multiferroic BiFeO3 by Bernardo, M S, Jardiel, T, Peiteado, M, Caballero, A C, Villegas, M

“…Obtaining multiferroic BiFeO3 as a pure single-phase product is particularly complex since the formation of secondary phases seems to be unavoidable. The…”
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Intrinsic Compositional Inhomogeneities in Bulk Ti-Doped BiFeO3: Microstructure Development and Multiferroic Properties by Bernardo, M. S, Jardiel, T, Peiteado, M, Mompean, F. J, Garcia-Hernandez, M, Garcia, M. A, Villegas, M, Caballero, A. C

“…Ti-doped BiFeO3 ceramics prepared by a mixed-oxide route were structurally characterized by X-ray diffraction (XRD), field-emission scanning electron…”
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Highly photoactive TiO2 microspheres for photocatalytic production of hydrogen by Pulido Melián, E., Nereida Suárez, M., Jardiel, T., Calatayud, D.G., del Campo, A., Doña-Rodríguez, J.M., Araña, J., González Díaz, O.M.

“…In this study, the photocatalytic activity in hydrogen production of a TiO2 catalyst with hierarchical structure and microsphere morphology was tested. This…”
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Experimental phase function and degree of linear polarization curve of olivine and spinel and the origin of the Barbarian polarization behaviour by Frattin, E, Martikainen, J, Muñoz, O, Gómez-Martín, J C, Jardiel, T, Cellino, A, Libourel, G, Muinonen, K, Peiteado, M, Tanga, P

“…We explore experimentally possible explanations of the polarization curves of the sunlight reflected by the Barbarian asteroids. Their peculiar polarization…”
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Ru exsolution in substituted La0.75Sr0.25Cr0.5Mn0.5O3-δ compound as anode material for an IT-SOFCs by Thommy, L., Benamira, M., Jardiel, T., Günes, V., Joubert, O., Caldes, M.T.

“…In this study, the synthesis of La0.75Sr0.25Cr0.4Mn0.5Ru0.1O3-δ a (LSC0.4MRu0.1) compound is presented and its total conductivity is measured and compared with…”
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Sintering and microstuctural characterization of W6+, Nb5+ and Ti4+ iron-substituted BiFeO3 by Bernardo, M.S., Jardiel, T., Peiteado, M., Caballero, A.C., Villegas, M.

“…► Undoped and doped BiFeO3 ceramics are prepared by a solid-state synthesis route. ► Addition of W6+ and Nb5+ leads to the formation of high amount of…”
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Ga-doped ZnO self-assembled nanostructures obtained by microwave-assisted hydrothermal synthesis: Effect on morphology and optical properties by Bernardo, M.S., Villanueva, P.G., Jardiel, T., Calatayud, D.G., Peiteado, M., Caballero, A.C.

“…Highly homogeneous gallium doped ZnO assembled nanostructures comprised by thin hexagonal platelets showing a striking preferred orientation along the ab plane…”
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Influence of nickel in the hydrogen production activity of TiO2 by Melián, E. Pulido, Suárez, M. Nereida, Jardiel, T., Rodríguez, J.M. Doña, Caballero, A.C., Araña, J., Calatayud, D.G., Díaz, O. González

“…•Adding NiNO3 to the TiO2 sol–gel synthesis process improves hydrogen production.•Formic acid is not detected in the methanol oxidation.•The optimum…”
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Titanium doping of BiFeO3 ceramics and identification of minor phases by Raman spectroscopy by Bernardo, M. S., Calatayud, D. G., Jardiel, T., Makovec, D., Peiteado, M., Caballero, A. C.

“…Titanium substitution can improve the multiferroic properties of bismuth ferrite materials, albeit the structural changes that this dopant produces in the…”
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Ejected Particles after Impact Splash on Mars: Aggregates and Aerodynamics by Becker, T., Teiser, J., Jardiel, T., Peiteado, M., Muñoz, O., Martikainen, J., Martin, J. C. Gomez, Merrison, J., Wurm, G.

“…Our earlier laboratory measurements showed that low-velocity sand impacts release fine <5 μ m dust from a Martian simulant soil. This dust will become airborne…”
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Sintering and electrical properties of Bi4Ti2.95WxO11.9+3x piezoelectric ceramics by VILLEGAS, M, JARDIEL, T, FARIAS, G

“…Bismuth titanate (BIT) based ceramics doped with different amounts of WO3 were prepared by a chemical route. BIT compound was obtained by hydroxide…”
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Electrical properties in WO3 doped Bi4Ti3O12 materials by JARDIEL, T, CABALLERO, A. C, VILLEGAS, M

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Fabrication of 8-YSZ thin-wall tubes by powder extrusion moulding for SOFC electrolytes by Jardiel, T., Levenfeld, B., Jiménez, R., Várez, A.

“…In this work the processing steps for producing YSZ thin tubes by means of powder extrusion moulding (PEM) technique are investigated. Different feedstocks…”
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Effect of ZnO on the microstructure and electrical properties of WO3–Bi4Ti3O12 ceramics by Villegas, M., Jardiel, T., Caballero, A.C.

“…The possibility of incorporating a small amount of ZnO to improve the microstructure control of W-doped BIT-based materials was explored. Two different…”
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Preparation and properties of Bi6Ti5WO22: a new phase in the Bi2O3–TiO2–WO3 system by Jardiel, T., Caballero, A. C., Fuentes, L., Villegas, M.

“…In a recent report, the evaluation of the phase relations in the Bi 2 O 3 –TiO 2 –WO 3 ternary system has shown the existence of a new phase with nominal…”
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EQUILIBRIUM PHASES IN THE Bi2O3-TiO2-WO3 SYSTEM by Jardiel, T, Caballero, A C, Villegas, M, Valant, M, Jancar, B, Suvorov, D

“…Phase relations in the Bi2O3-TiO2-WO3 ternary system were evaluated for different compositions calcined in air at 850 C by XRD. A solid solution area was…”
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Electrical Properties of Bismuth Titanate Based Ceramics with Secondary Phases by Villegas, M, Jardiel, T, Caballero, A C, Fernandez, J F

“…Bi^sub 4^Ti^sub 3^O^sub 12^ (BIT) based ceramics were prepared by hydroxide coprecipitation method and subsequent treatment at 650^sup ^C for 1 h. Calcined BIT…”
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Sintering kinetic of Bi4Ti3O12 based ceramics by Villegas, M., Caballero, A. C., Jardiel, T.

“…The shrinkage behaviour in based-Bi4Ti3O12 ceramics has been studied by constant heating rate experiments (CHR). Undoped and WO3 doped BIT ceramics were…”
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Sintering and Electrical Properties of Bi6Ti3WO18 Ceramics by Jardiel, T., Caballero, A. C., De Frutos, J., Villegas, M.

“…Bi 6 Ti 3 WO 18 is a ferroelectric phase which belongs to the Aurivillius family like Bi 4 Ti 3 O 12 or Bi 2 WO 6 layered phases. The present work is focused…”
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Aeolian dust resuspension on Mars studied using a recirculating environmental wind tunnel by Waza, A., Kjer, J., Peiteado, M., Jardiel, T., Iversen, J., Rasmussen, K., Merrison, J.

“…In this laboratory investigation, Mars dust analogues have been mobilized by wind flow under Martian conditions of low density CO2. Various laser based…”
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