Search Results - "Jardim, R F"

Method for analyzing second-order phase transitions : Application to the ferromagnetic transition of a polaronic system by SOUZA, J. A, YU, Yi-Kuo, NEUMEIER, J. J, TERASHITA, H, JARDIM, R. F

“…A new method for analyzing second-order phase transitions is presented and applied to the polaronic system La(0.7)Ca(0.3)MnO3. It utilizes heat capacity and…”
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The spatial distribution of temperature and oxygen deficiency in spark-plasma sintered superconducting Bi-based materials by Govea-Alcaide, E., Pérez-Fernández, J.E., Machado, I.F., Jardim, R.F.

“…Pre-reacted powders of (Bi–Pb)2Sr2Ca2Cu3O10+δ (Bi-2223) were consolidated by using the spark plasma sintering (SPS) technique under vacuum and at different…”
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Raman scattering in the magnetically frustrated double perovskite Sr2YRuO6 by García-Flores, A. F., Terashita, H., Bittar, E. M., Jardim, R. F., Granado, E.

“…The spin correlations and excitations of the Sr2YRuO6 double perovskite are investigated by means of Raman scattering, complemented by synchrotron X‐ray…”
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Structural and Magnetic Properties of Ln2CoMnO6(Ln=Dy and La) Produced by Combustion Synthesis by C. Filho, Pedro Linhares, Barrozo, Petrucio, Landinez-Tellez, D. A., Jardim, R. F., Azevedo, W. M., Albino Aguiar, J.

“…In this article, the structural and magnetic properties of the Ln 2 MnCoO 6 (Ln=La and Dy) produced by the combustion method are reported. The samples were…”
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Two-dimensional magnetic correlations and partial long-range order in geometrically frustrated Sr2YRuO6 by Granado, E, Lynn, J W, Jardim, R F, Torikachvili, M S

“…Neutron diffraction on the double perovskite Sr(2)YRuO(6) with a quasi-fcc lattice of Ru moments reveals planar magnetic correlations that condense into a…”
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Impacts of Rhizobium inoculation and Fe3O4 nanoparticles on common beans plants: a magnetic study of absorption, translocation, and accumulation processes by Govea-Alcaide, E., DeSouza, A., Gómez-Padilla, E., Masunaga, S. H., Effenberger, F. B., Rossi, L. M., López-Sánchez, R., Jardim, R. F.

“…We have carried out a systematic investigation on the impact of Fe 3 O 4 nanoparticles (NPs) and Rhizobium inoculation on nodulation and growth of common bean…”
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Partial contributions to the valence band of MO2, RuO2, and Rh2O3: Cooper minimum and extended cluster model calculations by Stoeberl, V., Guedes, E. B., Abud, F., Jardim, R. F., Abbate, M., Mossanek, R. J. O.

“…We studied the partial contributions to the valence band spectra of MoO2, RuO2 and Rh2O3. The experimental technique of choice was the Cooper minimum method to…”
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Tracking iron oxide nanoparticles in plant organs using magnetic measurements by Govea-Alcaide, E., Masunaga, S. H., De Souza, A., Fajardo-Rosabal, L., Effenberger, F. B., Rossi, L. M., Jardim, R. F.

“…Common bean plants were grown in soil and irrigated with water solutions containing different concentrations of Fe 3 O 4 nanoparticles (NPs) with a mean…”
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Ac and dc magnetotransport properties of the phase-separated La0.6Y0.1Ca0.3MnO3 manganite by Fonseca, F. C, Souza, J. A, Muccillo, E. N. S, Muccillo, R, Jardim, R. F

“…The physical properties of the La₀.₆Y₀.₁Ca₀.₃MnO₃ compound have been investigated, focusing on the magnetoresistance phenomenon studied by both dc and ac…”
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Microstructural properties of Bi1.65Pb0.35Sr2Ca2Cu3O10+δ and Bi1.65Pb0.35Sr2CaCu2O8+δ ceramic samples through transport measurements: a comparative study by Govea-Alcaide, E., Jardim, R. F., Muné, P.

“…We have studied in detail the dependence of the electrical resistivity as a function of temperature of Bi1.65Pb0.35Sr2Ca2Cu3O10+δ ((Bi,Pb)‐2223) and…”
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Improvement of the intergranular pinning energy in uniaxially compacting (Bi -Pb )2Sr2Ca2Cu3O10+δ ceramic samples by GOVEA-ALCAIDE, E, GARCIA-FORNARIS, I, MUNE, P, JARDIM, R. F

“…Measurements of the electrical resistivity as a function of temperature, ρ(T), for different values of applied magnetic field, Ba (0 ≤ Ba ≤ 50 mT), were…”
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Temperature dependence of the in-plane and grains resistivities in Bi-2223 polycrystalline superconductors by Cruz-García, A., Fernández-Gamboa, J. R., Altshuler, E., Jardim, R. F., Muné, P.

“…Based on transport measurements performed on Bi-2223 polycrystalline superconductors, we have determined the in-plane resistivity, ρ ab ( T ) , the effective…”
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Magnetoresistance, transport noise and granular structure in polycrystalline superconductors by García-Fornaris, I., Govea-Alcaide, E., Muné, P., Jardim, R. F.

“…In this work we present a theoretical study on the magnetic field dependence of the electrical resistance R (Ba) and the transport noise (TN) in a high‐Tc…”
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Impact of Fe3O4 nanoparticle on nutrient accumulation in common bean plants grown in soil by De Souza, A., Govea-Alcaide, E., Masunaga, S. H., Fajardo-Rosabal, L., Effenberger, F., Rossi, L. M., Jardim, R. F.

“…The effect of Fe 3 O 4 nanoparticles (NPs) on chemical properties of the soil rhizosphere and on the accumulation of nutrients in common bean plants was…”
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Effect of Ir substitution in the ferromagnetic superconductor RuSr2GdCu2O8 by JURELO, A. R, ANDRADE, S, JARDIM, R. F, FONSECA, F. C, TORIKACHVILI, M. S, LACERDA, A. H, BEN-DOR, L

“…A detailed study of the effect caused by the partial substitution of Ru by Ir on the magnetic and superconducting properties of the ruthenocuprate…”
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Microstructural and transport properties of LaNiO3-δ films grown on Si(111) by chemical solution deposition by ESCOTE, M. T, PONTES, F. M, LEITE, E. R, VARELA, J. A, JARDIM, R. F, LANGE, E

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Transport properties of La0.6Y0.1Ca0.3MnO3 compounds with different interfaces by FONSECA, F. C, SOUZA, J. A, JARDIM, R. F, MUCCILLO, R, MUCCILLO, E. N. S, GOUVEA, D, JUNG, M. H, LACERDA, A. H

“…The electrical resistivity *r(T), magnetoresistivity *r(T,H), and impedance spectroscopy Z(*w,T) of polycrystalline La0.6Y0.1Ca0.3MnO3 compounds with different…”
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Microstructural and electrical transport properties of uniaxially pressed ceramic superconductors by Cruz-García, A, Fernández-Gamboa, J R, Altshuler, E, Jardim, R F, Vazquez-Robaina, O, Muné, P

“…We have studied the effect of the pelletization pressure on microstructural and electrical transport properties of superconducting ceramics with starting…”
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Intragranular defects and Abrikosov–Josephson vortices in Bi-2223 bulk superconductors by Hernández-Wolpez, M., Cruz-García, A., Jardim, R. F., Muné, P.

“…The Abrikosov–Josephson (AJ) vortices that emerge at intragranular defects of Bi-2223 bulk superconductors are detected. The study is based on the combination…”
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Influence of the spark-plasma texturing conditions on the intragranular features of Bi-2223 ceramic samples by Pérez-Acosta, L., Govea-Alcaide, E., Rosales-Saiz, F., Noudem, J. G., Machado, I. F., Jardim, R. F.

“…The influence of the spark-plasma texturing (SPT) conditions on the intragranular superconducting properties of Bi 1.65 Pb 0.35 Sr 2 Ca 2 Cu 3 O 10 + δ…”
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