Search Results - "Torres, C.E. Rodríguez"

Effect of nanostructured ferrites MFe2O4 (M= Cu, Co, Mg, Zn) on the thermal decomposition of ammonium nitrate by Cabrera, A.F., Torres, C.E. Rodríguez, Juncal, L.C., Meyer, M., Stewart, S.J.

“…•Nanostructured MFe2O4 act as catalysts in the decomposition of ammoniun nitrate.•The addition of MFe2O4 reduces the onset temperature of the exothermic…”
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The role of impurities and oxygen vacancies in the magnetic response of Fe Co Sn1--O2. Experimental and ab initio study by Mudarra Navarro, A.M., Rodríguez Torres, C.E., Errico, L., Nomura, K.

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Nanostructured Al-doped maghemite: A low-cost and eco-friendly material tested for methylene blue removal from water and as an accelerator in ammonium nitrate decomposition by Cabrera, A.F., Torres, C.E. Rodríguez, Stewart, S.J.

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Ab initio calculation of structural, electronic and magnetic properties and hyperfine parameters at the Fe sites of pristine ZnFe2O4 by Melo Quintero, J.J., Rodríguez Torres, C.E., Errico, L.A.

“…In this work we present an ab initio study of structural, electronic, magnetic and hyperfine properties of pristine Zn-ferrite (ZnFe2O4, ZFO). Density…”
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Degradation of methylene blue dye under dark and visible light conditions in presence of hybrid composites of nanostructured MgFe2O4 ferrites and oxygenated organic compounds by Cabrera, A.F., Rodríguez Torres, C.E., Marchetti, S.G., Stewart, S.J.

“…[Display omitted] •The catalytic degradation of methylene blue dye using the Mg-ferrites occurs under light and dark conditions.•The efficiency of the catalyst…”
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Ab initio study of the role of defects on the magnetic response and the structural, electronic and hyperfine properties of ZnFe2O4 by Melo Quintero, J.J., Salcedo Rodríguez, K.L., Rodríguez Torres, C.E., Errico, L.A.

“…In this work the effects of defects (oxygen vacancies, cationic inversion) on the structural, electronic and the magnetic response of the spinel ZnFe2O4 (ZFO)…”
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Structural, electronic, magnetic and hyperfine properties of Fe2AlO4 and FeAl2O4. A DFT study by Rodríguez, K.L. Salcedo, Quintero, J.J. Melo, Rodríguez Torres, C.E., Errico, L.

“…In this work, the structural, electronic, magnetic, and hyperfine properties of two Fe-Al spinel oxides, namely FeAl2O4 (hercynite) and Fe2AlO4 (Al-ferrite)…”
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The role of impurities and oxygen vacancies in the magnetic response of FexCoySn1-x-yO2. Experimental and ab initio study by Mudarra Navarro, A.M., Rodríguez Torres, C.E., Errico, L., Nomura, K.

“…In this work we present an experimental and theoretical study of the magnetic and hyperfine properties of (Fe, Co) co-doped rutile SnO2 (FexCoySn1-x-yO2). Ab…”
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Ab-initio approach to the stability and the structural, electronic and magnetic properties of the (001) Znfe2O4 surface terminations by Rodríguez, K.L. Salcedo, Quintero, J.J. Melo, Medina Chanduví, H.H., Rebaza, A.V. Gil, Faccio, R., Adeagbo, W.A., Hergert, W., Torres, C.E. Rodríguez, Errico, L.A.

“…We present a Density Functional Theory (DFT) based study of the structural and magnetic properties of the (001) surface of the semiconducting oxide ZnFe2O4…”
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Role of defects on the magnetic behaviour of the geometrically frustrated spinel ZnFe2O4 by Salcedo Rodríguez, K.L., Stewart, S.J., Mendoza Zélis, P.M., Pasquevich, G.A., Rodríguez Torres, C.E.

“…Defective zinc ferrites ZnFe2O4-δ obtained by vacuum annealing bulk Zn-ferrite at different temperatures TAnn were investigated by using XANES at Zn-K, Fe-K…”
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Influence of substrate effects in magnetic and transport properties of magnesium ferrite thin films by Salcedo Rodríguez, K.L., Bridoux, G., Heluani, S.P., Pasquevich, Gustavo A., Esquinazi, P.D., Rodríguez Torres, C.E.

“…[Display omitted] •Low cost method to obtain MgFe2O4 thin films by DC magnetron sputtering.•Obtaining high magnetization and rectangular hysteresis loops…”
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Surface magnetic contribution in zinc ferrite thin films studied by element- and site-specific XMCD hysteresis-loops by Mendoza Zélis, P., Pasquevich, G.A., Salcedo Rodríguez, K.L., Sánchez, F.H., Rodríguez Torres, C.E.

“…Element- and site-specific magnetic hysteresis-loops measurements on a zinc ferrite (ZnFe2O4) thin film were performed by X-ray magnetic circular dichroism…”
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Magnetic and structural study of Fe doped tin dioxide by Bilovol, V., Mudarra Navarro, A.M., Rodríguez Torres, C.E., Sánchez, F.H., Cabrera, A.F.

“…The structural and magnetic properties of Fe 10 at% doped SnO 2 powders milled for different times have been investigated. XAS results demonstrate the dilution…”
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Paramagnetism and clustering in Fe-doped TiO 2 nanoparticles by Rodríguez-Torres, C.E., Stewart, S.J., Adán, C., Cabrera, A.F.

“…The magnetic behavior of Fe-doped TiO 2 anatase nanoparticles (2.8 and 5.4 at.%) was investigated throughout magnetizations versus applied field measurements…”
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Study of magnetic state of Sn0.9Fe0.1O2 powders at low temperature by Bilovol, V., Cabrera, A.F., Rodríguez Torres, C.E., Mudarra Navarro, A.M.

“…We report on magnetic state at low temperatures of oxide diluted magnetic semiconductor powders (Sn0.9Fe0.1O2) prepared by ball milling technique as a function…”
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Paramagnetism and clustering in Fe-doped TiO2 nanoparticles by RODRIGUEZ-TORRES, C. E, STEWART, S. J, ADAN, C, CABRERA, A. F

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The role of the dopant in the magnetism of Fe-doped SnO2 films by Torres, C.E. Rodríguez, Errico, L., Golmar, F., Navarro, A.M. Mudarra, Cabrera, A.F., Duhalde, S., Sánchez, F.H., Weissmann, M.

“…Transparent pure and Fe-doped SnO2 thin films were grown by pulsed laser deposition technique on LaAlO3 substrates. X-ray diffraction shows that the films are…”
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Magnetic and structural study of Cu-doped TiO 2 thin films by Torres, C.E. Rodríguez, Golmar, F., Cabrera, A.F., Errico, L., Navarro, A.M. Mudarra, Rentería, M., Sánchez, F.H., Duhalde, S.

“…Transparent pure and Cu-doped (2.5, 5 and 10 at.%) anatase TiO 2 thin films were grown by pulsed laser deposition technique on LaAlO 3 substrates. The samples…”
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Relationship between structural and magnetic properties in (Ti,Fe)O2 powders obtained by mechanical milling by Mudarra Navarro, A.M., Bilovol, V., Cabrera, A.F., Rodríguez Torres, C.E.

“…Fe-doped TiO2 samples with different Fe content were prepared by mechanical alloying starting from TiO2 rutile and FeO. The samples were structurally and…”
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Effect of thermal treatment in vacuum on Fe-doped SnO2 powders by Bilovol, V., Mudarra Navarro, A.M., Rodríguez Torres, C.E., Cabrera, A.F.

“…A sample of 10at% Fe-doped SnO2 powder was prepared by mechanical alloying and then thermally treated at 773K in vacuum. The fit of the diffraction patterns…”
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