Search Results - "Galvan, D.H."

Support effects of NiW hydrodesulfurization catalysts from experiments and DFT calculations by Díaz de León, J.N., Antunes-García, J., Alonso-Nuñez, G., Zepeda, T.A., Galvan, D.H., de los Reyes, J.A., Fuentes, S.

“…[Display omitted] •W dispersion was measured by UV–vis DRS characterization.•Activity correlates with WOxSy phase formed under reaction conditions.•Promoted…”
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Synergetic effect in RuxMo(1-x)S2/SBA-15 hydrodesulfurization catalysts: Comparative experimental and DFT studies by Zepeda, T.A., Torres-García, N.L., Antúnez-García, J., Galván, D.H., Pawelec, B., Huirache-Acuña, R., de León, J.N. Díaz, Alonso-Núñez, G., Fierro, J.L.G., Fuentes, S.

“…[Display omitted] •Ru-Mo/SBA-15 catalysts exhibit synergetic effect between Ru and Mo in the HDS of DBT reaction.•The introduction of optimized amount of Ru…”
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Electronic properties of unsupported trimetallic catalysts by Olivas, A., Antúnez-García, J., Fuentes, S., Galván, D.H.

“…•Computational calculations were carried out on terms of extended Hückel method.•The trimetallic unsupported M–Mo–W–S (M=Ni, Co, Fe or Cu) sulfide catalysts…”
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Insight of 1D [GREEK SMALL LETTER GAMMA]-Al2O3 nanorods decoration by NiWS nanoslabs in ultra-deep hydrodesulfurization catalyst by Díaz de León, J.N, Zepeda, T.A, Alonso-Nuñez, G, Galván, D.H, Pawelec, B, Fuentes, S

“…Display Omitted * 1D-[GREEK SMALL LETTER GAMMA]-Al2O3 nanorods were used to prepare a NiW hydrodesulfurization catalyst. * Highly distributed NiWS phases were…”
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Experimental and theoretical properties of S–Mo–Co–S clusters by Galvan, D.H., Deepak, Francis Leonard, Esparza, Rodrigo, Posada-Amarillas, A., Núñez-González, R., López-Lozano, X., José-Yacamán, M.

“…Our research provides evidence for the existence of S–Mo–S, S–Mo–Co–S and S–Mo–Co–S with rotated planes nano wires. This evidence was proved by means of High…”
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Preparation and microstructure characterization of novel La2−xSr2−xNb2O10−x oxides by Rangel, R., Morales, F., García, R., Galván, D.H.

“…The aim of the present work is to report the study of samples with the La2−xSr2−xNb2O10−x stoichiometry obtained under different synthesis conditions. The…”
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Pt and Ir supported on mixed Ce0.97Ru0.03O2 oxide as low-temperature CO oxidation catalysts by Rangel, R., González-A, E., Solís-García, A., Zepeda, T.A., Galván, D.H., Gómez-Cortés, A., Díaz, G.

“…[Display omitted] •Outstanding sinergy among Pt or Ir supported on a mixed oxide Ce0.97Ru0.03O2.•CO oxidation pathway in CeRuO2 suggests that CO is adsorbed on…”
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Aluminum distribution in mordenite-zeolite framework: A new outlook based on density functional theory calculations by Antúnez-García, Joel, Galván, D.H., Petranovskii, Vitalii, Murrieta-Rico, Fabian N., Yocupicio-Gaxiola, Rosario I., Shelyapina, Marina G., Fuentes-Moyado, Sergio

“…On the basis of the density functional theory (DFT) calculations, the successive isomorphic substitution of one to six tetrahedrally coordinated Si cations by…”
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The effect of chemical composition on the properties of LTA zeolite: A theoretical study by Antúnez-García, Joel, Galván, D.H., Petranovskii, Vitalii, Murrieta-Rico, Fabian N., Yocupicio-Gaxiola, Rosario I., Shelyapina, Marina G., Fuentes-Moyado, Sergio

“…[Display omitted] •The electronic properties of the LTA-type zeolites were studied by DFT computations.•Non-Löwensteinian configuration is energetically more…”
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High resolution TEM studies of carbon nanotubes produced by spray pyrolysis by Galvan, D.H., Aguilar-Elguézabal, A., Alonso, G.

“…Multi-wall carbon nanotubes were grown inside a quartz tube by spray pyrolysis of ferrocene/benzene under gas flow. High resolution transmission electron…”
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Insight of 1D γ-Al2O3 nanorods decoration by NiWS nanoslabs in ultra-deep hydrodesulfurization catalyst by Díaz de León, J.N., Zepeda, T.A., Alonso-Nuñez, G., Galván, D.H., Pawelec, B., Fuentes, S.

“…[Display omitted] •1D-γ-Al2O3 nanorods were used to prepare a NiW hydrodesulfurization catalyst.•Highly distributed NiWS phases were located all over the…”
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Theoretical justification of stable ferromagnetism in ferroelectric BiFeO3 by first-principles by H'Mŏk, H'Linh, Martínez Aguilar, E., Antúnez García, J., Ribas Ariño, J., Mestres, L., Alemany, P., Galván, D.H., Siqueiros Beltrones, J.M., Raymond Herrera, O.

“…[Display omitted] •DFT study demonstrates the stability of an observed ferromagnetic order in BiFeO3.•Such a novel macroscopic ferromagnetism coexist with the…”
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Experimental and theoretical study of the electronic properties of CoSi2 and NiSi2 by GARCIA-MENDEZ, M, GALVAN, D. H, POSADA-AMARILLAS, A, FARIAS, M. H

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Experimental and theoretical study of the electronic properties of CoSi 2 and NiSi 2 by Garcı́a-Méndez, M, Galvan, D.H, Posada-Amarillas, A, Farı́as, M.H

“…Electronic structure of Co and Ni silicides were studied by means of the spectral properties of XPS high-resolution measurements together with theoretical…”
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Graphene nanostructures functionalization: Hydrogen bonds and oxide coverage effect by Hoyos-Ariza, F.A., Prias-Barragan, J.J., Galván, D.H., Guerrero-Sánchez, J., Ariza-Calderon, H.

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First-principles study of the structural, elastic, vibrational, thermodynamic and electronic properties of the Mo2B intermetallic under pressure by Escamilla, R., Carvajal, E., Cruz-Irisson, M., Romero, M., Gómez, R., Marquina, V., Galván, D.H., Durán, A.

“…The structural, elastic, vibrational, thermodynamic and electronic properties of the Mo2B intermetallic under pressure are assessed using first-principles…”
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Trimetallic NiMoW unsupported catalysts for HDS by Olivas, A., Galván, D.H., Alonso, G., Fuentes, S.

“…In this work, the preparation of trimetallic unsupported NiMoW sulfide catalysts by decomposition-sulfidation of bimetallic Mo-W thiosalts precursors…”
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Nondestructive interactions of carbon nanotubes with Bi 2Sr 2CaCu 2O 8 by Galvan, D.H., Li, Shi, Yuhasz, W.M., Kim, J.H., Maple, M.B., Adem, E.

“…Experimental evidence is presented for the intercalation of carbon nanotubes (CNs) in polycrystalline Bi 2Sr 2CaCu 2O 8 (BSCCO) samples at the 12 wt.%-CN…”
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A DFT study of copper-oxide clusters embedded in dry and water-immersed siliceous mordenite by Antúnez-García, Joel, Galván, D.H., Petranovskii, Vitalii, Posada-Amarillas, Alvaro

“…[Display omitted] •Configurations for Mordenite/Cu2Ox composites were studied by DFT-method.•Electronic properties for Dry and water-immerse composites were…”
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Superconductivity of NbSe 2 samples subjected to electron irradiation by Galvan, D.H., Li, Shi, Yuhasz, W.M., Kim, JunHo, Maple, M.B., Adem, E.

“…Magnetization measurements on NbSe 2 samples subjected to 100, 250, and 500 Mrad of electron irradiation revealed an enhancement in the critical current…”
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