The Anomalous Hall effect in re-entrant AuFe alloys and the real space Berry phase (2007)
Pureur, P., Fabris, F. Wolff, Schaf, J., Vieira, V. N., Campbell, I. A.
The Hall effect has been studied in a series of AuFe samples in the re-entrant concentration range, as well as in the spin glass range. The data demonstrate that the degree of canting of the local...
The chiral Anomalous Hall effect in re-entrant AuFe alloys (2006)
Fabris, F. Wolff, Pureur, P., Schaf, J., Vieira, V. N., Campbell, I. A.
The Hall effect has been studied in a series of AuFe samples in the re-entrant concentration range, as well as in part of the spin glass range. An anomalous Hall contribution linked to the tilting of...
The Anomalous Hall effect in re-entrant AuFe alloys and the real space Berry phase (2005)
Pureur, P., Fabris, F. Wolff, Schaf, J., Vieira, V. N., Campbell, I. A.
The Hall effect has been studied in a series of AuFe samples in the re-entrant concentration range, as well as in the spin glass range. The data demonstrate that the degree of canting of the local...
Pureur, P., Wolff Fabris, F., Schaf, J., Campbell, I.
The extraordinary Hall effect coefficients $R_s(T)$ of the canonical spin glass alloys ${\bf Au}Fe 8 at\%$ and ${\bf Au}Mn 8 at\%$ and of an archetype reentrant system ${\bf Au}Fe 18 at\%$ were...
Pureur, P., Wolff Fabris, F., Schaf, J., Campbell, I.
The extraordinary Hall effect coefficients $R_s(T)$ of the canonical spin glass alloys ${\bf Au}Fe 8 at\%$ and ${\bf Au}Mn 8 at\%$ and of an archetype reentrant system ${\bf Au}Fe 18 at\%$ were...
Pureur, P., Fabris, F. Wolff, Schaf, J., Campbell, I. A.
The extraordinary Hall effect coefficients $R_s(T)$ of the canonical spin glass alloys ${\bf Au}Fe 8 at%$ and ${\bf Au}Mn 8 at%$ and of an archetype reentrant system ${\bf Au}Fe 18 at%$ were measured...
Pureur, P., Wolff Fabris, F., Schaf, J., Campbell, I.
The extraordinary Hall effect coefficients $R_s(T)$ of the canonical spin glass alloys ${\bf Au}Fe 8 at\%$ and ${\bf Au}Mn 8 at\%$ and of an archetype reentrant system ${\bf Au}Fe 18 at\%$ were...
Pureur, P., Wolff Fabris, F., Schaf, J., Campbell, I.
The extraordinary Hall effect coefficients $R_s(T)$ of the canonical spin glass alloys ${\bf Au}Fe 8 at\%$ and ${\bf Au}Mn 8 at\%$ and of an archetype reentrant system ${\bf Au}Fe 18 at\%$ were...
Paramagnetic Meissner effect and magnetic remanence in granular MgB2 (2002)
Passos,W. A. C., Lisboa-Filho,P. N., Fraga,G. L., Fabris,F. W., Pureur,P., Ortiz,W. A.
The magnetic response of MgB2 samples prepared by solid state reaction method, were studied. Important features revealing the granular character of the specimens were verified, as (i) depressed...
Static critical behavior of the ferromagnetic transition in LaMnO3.14 manganite (2000)
Freitas, R. S., Haetinger, C., Pureur, P., Alonso, J. A., Ghivelder, L.
The ferromagnetic phase transition in LaMnO3.14 is investigated by measuring the dc magnetization as a function of magnetic field and temperature. Modified Arrott plot and Kouvel Fisher analysis...
Resistive Transition and Fluctuation Conductivity in YBaCuO-Ag Nonrandom Composites. (1998)
Ghivelder, L., Pureur, P., Reich, S.
Detailed resistivity measurements were made on yba2cu3o7-ag nonrandom composites, prepared by coating the superconducting grains with silver. investigated were samples with 6, 11, and 23 wt%ag and...
CRITICAL RESISTIVITY AND LOW FIELD MAGNETORESISTANCE IN Pd2MnSn (1988)
Pureur, P., Fraga, G., Kunzler, J., Schreiner, W., Brandão, D., Hurd, C.
We report on the temperature derivative of the resistivity of the Heusler compound Pd2MnSn near the para-ferromagnetic transition. For T > Tc a critical exponent α = 0.00 ± 0.05 is found. Below...
MAGNETIC BEHAVIOUR OF THE HIGH-Tc OXIDE SUPERCONDUCTORS EuBa2Cu3Oy AND GdBa2Cu3Oy (1988)
Schaf, J., Pureur, P., Kunzler, J.
We perform DC magnetic susceptibility measurements on the ceramic superconductors EuBa2Cu3O7 and GdBa2Cu3O7 as a function of temperature, which reveal broken ergodicity phenomena analog to those...
RESISTIVITY OF THE REENTRANT SYSTEMS NiMn AND a-FeZr NEAR THE FERROMAGNETIC PHASE TRANSITION (1988)
Pureur, P., Schaf, J., Schreiner, W., Mosca, D., Kunzler, J., Ryan, D., ...
We report on the temperature derivative of the resistivity close to the Curie temperature of the reentrant systems NiMn 22 at % and a-FeZr 8 at % . Magnetic susceptibility results for the NiMn system...
CRITICAL RESISTIVITY AND LOW FIELD MAGNETORESISTANCE IN Pd2MnSn (1988)
Pureur, P., Fraga, G., Kunzler, J., Schreiner, W., Brandão, D., Hurd, C.
We report on the temperature derivative of the resistivity of the Heusler compound Pd2MnSn near the para-ferromagnetic transition. For T > Tc a critical exponent α = 0.00 ± 0.05 is found. Below...
MAGNETIC BEHAVIOUR OF THE HIGH-Tc OXIDE SUPERCONDUCTORS EuBa2Cu3Oy AND GdBa2Cu3Oy (1988)
Schaf, J., Pureur, P., Kunzler, J.
We perform DC magnetic susceptibility measurements on the ceramic superconductors EuBa2Cu3O7 and GdBa2Cu3O7 as a function of temperature, which reveal broken ergodicity phenomena analog to those...
RESISTIVITY OF THE REENTRANT SYSTEMS NiMn AND a-FeZr NEAR THE FERROMAGNETIC PHASE TRANSITION (1988)
Pureur, P., Schaf, J., Schreiner, W., Mosca, D., Kunzler, J., Ryan, D., ...
We report on the temperature derivative of the resistivity close to the Curie temperature of the reentrant systems NiMn 22 at % and a-FeZr 8 at % . Magnetic susceptibility results for the NiMn system...
CRITICAL RESISTIVITY AND LOW FIELD MAGNETORESISTANCE IN Pd2MnSn (1988)
Pureur, P., Fraga, G., Kunzler, J., Schreiner, W., Brandão, D., Hurd, C.
We report on the temperature derivative of the resistivity of the Heusler compound Pd2MnSn near the para-ferromagnetic transition. For T > Tc a critical exponent α = 0.00 ± 0.05 is found. Below...
MAGNETIC BEHAVIOUR OF THE HIGH-Tc OXIDE SUPERCONDUCTORS EuBa2Cu3Oy AND GdBa2Cu3Oy (1988)
Schaf, J., Pureur, P., Kunzler, J.
We perform DC magnetic susceptibility measurements on the ceramic superconductors EuBa2Cu3O7 and GdBa2Cu3O7 as a function of temperature, which reveal broken ergodicity phenomena analog to those...
RESISTIVITY OF THE REENTRANT SYSTEMS NiMn AND a-FeZr NEAR THE FERROMAGNETIC PHASE TRANSITION (1988)
Pureur, P., Schaf, J., Schreiner, W., Mosca, D., Kunzler, J., Ryan, D., ...
We report on the temperature derivative of the resistivity close to the Curie temperature of the reentrant systems NiMn 22 at % and a-FeZr 8 at % . Magnetic susceptibility results for the NiMn system...
Helimagnetic structure in diluted Y-Gd alloys (1985)
Brown, P.J., Caudron, R., Fert, A., Givord, D., Pureur, P.
Neutron scattering studies on Y-Gd 2 and 3 at. % single crystals show a helimagnetic ordering to occur below Néel temperatures of 7 and 12 K respectively. The same value of the propagation vector...
Helimagnetic structure in diluted Y-Gd alloys (1985)
Brown, P.J., Caudron, R., Fert, A., Givord, D., Pureur, P.
Neutron scattering studies on Y-Gd 2 and 3 at. % single crystals show a helimagnetic ordering to occur below Néel temperatures of 7 and 12 K respectively. The same value of the propagation vector...
Helimagnetic structure in diluted Y-Gd alloys (1985)
Brown, P.J., Caudron, R., Fert, A., Givord, D., Pureur, P.
Neutron scattering studies on Y-Gd 2 and 3 at. % single crystals show a helimagnetic ordering to occur below Néel temperatures of 7 and 12 K respectively. The same value of the propagation vector...