Search Results - "de Araújo, A.E.P"

The effect of helical magnetoelastic anisotropy on magnetoimpedance and its second harmonic component in amorphous wires by Duque, J.G.S, Gómez-Polo, C, Yelon, A, Ciureanu, P, de Araújo, A.E.P, Knobel, M

“…The frequency dependence of the magnetoimpedance of an amorphous magnetic wire displays a behavior that appears to be ferromagnetic resonance, at a frequency…”
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Production of nanostructured magnetic materials using holographic lithography by Rosa, W.O., de Araújo, A.E.P., Gobbi, A.L., Knobel, M., Cescato, L.

“…The magnetic properties of Co, Ni and NiFe sub-micrometric structures produced by holographic lithography and sputtering techniques are investigated. The…”
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Evidence of Verwey transition in iron- and iron oxide-encapsulated carbon nanotubes by de Araújo, A.E.P., Duque, J.G.S., Knobel, M., Schnitzler, M.C., Zarbin, A.J.G.

“…Magnetization measurements in two different samples of iron- and iron oxide-encapsulated carbon nanotubes are presented. The samples showed coercivity smaller…”
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Asymmetric impedance in field-annealed Co-based amorphous wires and its bias field dependence by Duque, J.G.S., De Araújo, A.E.P., Knobel, M.

“…Giant magnetoimpedance (GMI) was measured in Joule heated Co 68.18Fe 4.32Si 12.5B 15 amorphous wires. Samples heat treated in open air showed an asymmetric…”
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GMI measurements in ribbons of Co 70.4Fe 4.6Si 15B 10 in a wide range of frequencies by de Araújo, A.E.P, Machado, F.L.A, de Aguiar, F.M, Rezende, S.M

“…This paper reports room-temperature giant magnetoimpedance (GMI) data, measured in samples made of pieces of ribbons of amorphous Co 70.4Fe 4.6Si 15B 10 in the…”
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GMI measurements in ribbons of Co70.4Fe4.6Si15B10 in a wide range of frequencies by de Araújo, A.E.P, Machado, F.L.A, de Aguiar, F.M, Rezende, S.M

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Low temperature magnetotransport properties of La 0.55Ho 0.15Sr 0.3MnO 3 by de Araújo, A.E.P, Machado, F.L.A, Rodrigues, A.R, Nigam, A.K, Pinto, R

“…Magnetotransport data measured in thin films of La 0.55Ho 0.15Sr 0.3MnO 3 down to very low temperatures (0.25 K) are reported. The samples presented colossal…”
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Low temperature magnetotransport properties of La0.55Ho0.15Sr0.3MnO3 by DE ARAUJO, A. E. P, MACHADO, F. L. A, RODRIGUES, A. R, NIGAM, A. K, PINTO, R

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Brillouin light scattering in CMR manganite films by Machado, F.L.A, Lucena, M.A, de Araújo, A.E.P, Azevedo, A, de Aguiar, F.M, Rezende, S.M, Nigam, A.K

“…Thin films of La 0.7A 0.3MnO 3 (A=Ce, Ca, and Sr) and La 0.55Ho 0.15Sr 0.3MnO 3 manganites have been investigated by Brillouin light scattering at room…”
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Dipolar-biased giant magnetoimpedance by Sinnecker, J.P., de Araujo, A.E.P., Piccin, R., Knobel, M., Vázquez, M.

“…The effect of the dipolar field on the magnetoimpedance in Fe- and Co-based wires is presented. In the experiments a Co-based wire was used as a probe to…”
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Magneto-impedance measurements in bulk samples of La0.7Ca0.3MnO3 and La0.6Y0.1Ca0.3MnO3 by CASTRO, G. M. B, RODRIGUES, A. R, MACHADO, F. L. A, DE ARAUJO, A. E. P, JARDIM, R. F, NIGAM, A. K

“…In this work, magneto-resistance and magneto-impedance (MI) data for bulk samples of pure and Y-doped La0.7Ca0.3MnO3 manganites are reported. Temperature…”
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Magneto-impedance measurements in bulk samples of La 0.7Ca 0.3MnO 3 and La 0.6Y 0.1Ca 0.3MnO 3 by Castro, G.M.B, Rodrigues, A.R, Machado, F.L.A, de Araujo, A.E.P, Jardim, R.F, Nigam, A.K

“…In this work, magneto-resistance and magneto-impedance (MI) data for bulk samples of pure and Y-doped La 0.7Ca 0.3MnO 3 manganites are reported. Temperature…”
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Non-linear magetoinductance in amorphous wires by Clime, L., Rudkowska, G., Duque, J.G.S., de Araujo, A.E.P., Knobel, M., Ciureanu, P., Yelon, A.

“…The second harmonic of the magnetoinductance (MI) signal of a melt-extracted amorphous magnetic wire varies significantly with the strength of the DC axial…”
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Anomalous magnetic behavior in holmium doped La 0.7Sr 0.3MnO 3 film by de Araujo, A.E.P, Machado, F.L.A, Rodrigues, A.R, Raychaudhuri, P, Nigam, A.K, Pinto, R

“…Low field magnetization measurements are reported in a highly oriented La 0.55Ho 0.15Sr 0.3MnO 3 film on LaAlO 3 substrate in the temperature range of 2–300 K…”
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Anomalous magnetic behavior in holmium doped La0.7Sr0.3MnO3 film by de Araujo, A.E.P, Machado, F.L.A, Rodrigues, A.R, Raychaudhuri, P, Nigam, A.K, Pinto, R

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Interesting history effect in the magnetotransport properties of La 0.55Ho 0.15Sr 0.3MnO 3 films on LaAlO 3 by Raychaudhuri, P., de Araujo, A.E.P., Machado, F.L.A., Rodrigues, A.R., Nigam, A.K., Pinto, R.

“…We report the magneto-resistance measurements of a highly oriented La 0.55Ho 0.15Sr 0.3MnO 3 film on LaAlO 3 substrate. The film has a metal–insulator…”
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Detailed investigation of the GMI in a commercial soft-ferromagnetic amorphous alloy by Neto, João Cozac, Machado, F.L.A, de Biasi, R.S, de Araujo, A.E.P, de Aguiar, F.M

“…An investigation of the giant magnetoimpedance effect (GMI) in pieces of a commercial alloy METGLAS 2705 M is presented. The GMI measurements were carried out…”
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Interesting history effect in the magnetotransport properties of La0.55Ho0.15Sr0.3MnO3 films on LaAlO3 by RAYCHAUDHURI, P, DE ARAUJO, A. E. P, MACHADO, F. L. A, RODRIGUES, A. R, NIGAM, A. K, PINTO, R

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Effect of helicoidal magnetoelastic anisotropy in non-linear magnetoimpedance of Co/sub 80.89/Fe/sub 4.38/Si/sub 8.69/B/sub 1.52/Nb/sub 4.52/ fibers by Duque, J.G.S., Gomez-Polo, C., Yelon, A., Ciureanu, P., de Araujo, A.E.P., Knobel, M.

“…In this paper, it is to employ the non-linear GMI analysis (in particular the V/sub 2f/ signal) as a research tool in the study of intrinsic magnetic…”
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