Search Results - "CAUSA, M. T"

Delocalized and localized states of eg electrons in half-doped manganites by Winkler, E L, Tovar, M, Causa, M T

“…We have studied the magnetic behaviour of half-doped manganite Y0.5Ca0.5MnO3 in an extended range of temperatures by means of magnetic susceptibility, χ(T),…”
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Influence of hydrothermal aging on the catalytic activity of sulfated zirconia by Busto, Mariana, Shimizu, Kiyoyuki, Vera, Carlos R., Grau, Javier M., Pieck, Carlos L., D’Amato, Miguel A., Causa, M.T., Tovar, M.

“…The use of reflux aged sulfated zirconia for isomerization of n-butane and isomerization-cracking of long paraffins was assessed. Though hydrothermal aging of…”
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Phase separation in La–Ca manganites: Magnetic field effects by Tovar, M., Causa, M.T., Ramos, C.A., Laura-Ccahuana, D.

“…The coexistence of magnetic phases seems to be a characteristic of the La–Ca family of in colossal magnetoresistant manganites. We have analyzed this…”
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Ferromagnetic resonance study of Pr0.5 (Ca1-xSrx)0.5MnO3 by WINKLER, E, CAUSA, M. T, RAMOS, C. A

“…We study the competing phases at the crossover from localized to itinerant electronic behavior in the system Pr0.5(Ca1-xSrx)0.5MnO3, with 0.10x0.75. The study…”
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Discontinuous Evolution of the Highly Distorted Orthorhombic Structure and the Magnetic Order in LaMnO3±δ Perovskite by Prado, F., Sánchez, R.D., Caneiro, A., Causa, M.T., Tovar, M.

“…In this work we present a systematic study of the crystallographic structure and the magnetic ordering of LaMnO3±δ perovskites. Changing the oxygen composition…”
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Electron spin resonance study of Y1-xCaxMnO3 by CAUSA, M. T, WINKLER, E, TOBIA, D, TOVAR, M

“…ESR spectra were measured in the series Y1-xCaxMnO3 (YCa) (0x1) obtaining the dependences with x and T. Anomalies detected in the ESR parameters (resonance…”
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High-temperature magnetization in Y1-xCaxMnO3 by TOBIA, D, VARGAS, J, WINKLER, E, VEGA, D, LEYVA, G, POLLA, G, TOVAR, M, CAUSA, M. T

“…We have studied the T dependence of the susceptibility, chi(T), in the paramagnetic phase of the distorted perovskite series Y1-xCaxMnO3. We have observed…”
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Phenomenological analysis of phase coexistence in La0.75Ca0.25MnO3 by TOVAR, M, CAUSA, M. T, RAMOS, C, PRADO, F, LAURA-CCAHUANA, D

“…We found clear signatures of phase coexistence in the ESR and magnetization properties of La0.75Ca0.25MnO3. In our analysis, a mixed material, metallic and…”
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Magnetic phase coexistence in CMR manganites: ESR evidence by Ccahuana, D. Laura, Winkler, E., Prado, F., Butera, A., Ramos, C.A., Causa, M.T., Tovar, M.

“…The coexistence of magnetic phases in colossal magnetoresistant (CMR) manganites is characteristic of this family of compounds. We studied this phenomenon in a…”
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ESR phase competition study of Pr0.5(Ca0.85Sr0.15)0.5MnO3 by WINKLER, E, CAUSA, M. T, RAMOS, C. A, DE BIASI, E

“…We report an electron spin resonance (ESR) study of the competing phases at the crossover from localized to itinerant behaviour on the polycrystalline Pro…”
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ESR of double-perovskite Sr2FeMoO6 by CAUSA, M. T, BUTERA, A, TOVAR, M, FONTCUBERTA, J

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Magnetic polarons in Ca1-xYxMnO3 by ALIAGA, H, CAUSA, M. T, TOVAR, M, ALASCIO, B

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Electron spin resonance linewidth, susceptibility, and conductivity in doped manganites by Huber, D.L., Laura-Ccahuana, D., Tovar, M., Causa, M.T.

“…Analyses of the electron spin resonance (ESR) linewidths in manganites with ferromagnetic interactions arising from double exchange (e.g. La 1− x Ca x MnO 3)…”
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Strong ferro-antiferromagnetic competition and charge ordering in Pr0.67Ca0.33MnO3 by RIVADULLA, F, LOPEZ-QUINTELA, M. A, HUESO, L. E, JARDON, C, FONDADO, A, RIVAS, J, CAUSA, M. T, SANCHEZ, R. D

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Temperature dependence of ESR anisotropy in La7/8Sr1/8MnO3 by ALEJANDRO, G, RAMOS, C. A, VEGA, D, CAUSA, M. T, FONTCUBERTA, J, TOVAR, M

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Ca1-xYxMnO3 manganites: synthesis and ESR characterization by AGÜERO, O, LEYVA, A. G, KÖNIG, P, VEGA, D, POLLA, G, ALIAGA, H, CAUSA, M. T

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Charge ordering in the electron doped Ca1-xYxMnO3 manganites by VEGA, D, RAMOS, C, ALIAGA, H, CAUSA, M. T, ALASCIO, B, TOVAR, M, POLLA, G, LEYVA, G, KÖNIG, P, TORRIANI, I

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Metal–Insulator Transition and Magnetic Properties of La1−xEuxNiO3 (0≤x≤1) by Sánchez, R.D., Causa, M.T., Seoane, A., Rivas, J., Rivadulla, F., López-Quintela, M.A., Pérez Cacho, J.J., Blasco, J., García, J.

“…This paper reports X-ray diffraction patterns, Rietveld fit profiles, electrical resistivity dc magnetic susceptibility, and electron paramagnetic resonance…”
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Magnetic properties of La1−xCexCrO3 by Winkler, E., Causa, M.T., Neumeier, J.J., Oseroff, S.B.

“…We present a study of the magnetic properties of La1-xCexCrO3 performed by DC magnetization and electron spin resonance (ESR) techniques. The susceptibility…”
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Giant magnetoresistance in fine particle of La0.67Ca0.33MnO3 synthesized at low temperatures by Sánchez, R. D., Rivas, J., Vázquez-Vázquez, C., López-Quintela, A., Causa, M. T., Tovar, M., Oseroff, S.

“…Using a sol-gel method we have prepared monodispersive particles of La0.67Ca0.33MnO3 in the range from 20 to 110 nm at temperatures from 540 to 1000 °C. A…”
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