Magnetotransport study of in situ magnetic field textured Dy1Ba2Cu3O7−δ superconductors

Pȩkała, M.; Cloots, Rudi; Bougrine, Hassan; Mãka, E.; Ausloos, Marcel

doi:10.1007/bf01317589

Cited by 9 publications

(3 citation statements)

References 44 publications

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“…These parameters are comparable with the few published experimental data on electrical resistivity of these systems [11; 20-23]. The absolute values of electrical resistivity in the normal state are only 20 % higher as compared with the magnetic field textured Dy123 [11]. The difference may be due to the 20 % content of insulating Dy211 in the present sample.…”

Section: Electrical Resistivitysupporting

confidence: 90%

“…8). The same order of magnitude was reported for the magnetically textured Dy123 sample [11]. On further lowering the temperature the Nernst voltages diminishes gradually and vanishes below 51 K. A bump above the extrapolated line from the maximum in Nernst voltage is seen in the low temperature side of T C at nearly 65 K, -which is exactly the temperature in the resistivity curve separating the curved from the linear behavior.…”

Section: Nernst Effectsupporting

confidence: 78%

“…In the case of systems belonging to the YBCO-123 class, the Dy123 superconductor is of interest because the magnetic moment borne by D y atoms enables a very successful technique, i.e. magnetic texturing in external magnetic field [11][12][13] in order to produce the well aligned samples. Another technique recently used to grow large pieces of superconducting ceramics has been the seeding method.…”

Section: Introductionmentioning

confidence: 99%

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Magneto-transport characterization of Dy123 monodomain superconductors

et al. 2005

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The following report considers textured materials of the DyBa 2 Cu 3 O 7 type seeded with a Nd123 seed as initiator. They are grown with an excess 20% Dy211 phase on a Dy 2 O 3 substrate. We report chemical characterizations, electrical resistivity, thermoelectric power and thermal conductivity over a broad temperature range as a function of an applied magnetic field up to 6 T. We show that specific features appear on the magneto thermal transport properties different in these materials from those found in single crystals and polycrystalline samples. We propose that two vortex regimes can be distinguished in the mixed phase, -due to the intrinsic microstructure. We calculate the viscosity, entropy and figure of merit of the samples.

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Section: Electrical Resistivitysupporting

confidence: 90%

Section: Nernst Effectsupporting

confidence: 78%