Flux-creep-limited critical currents in YBa2Cu3O 7-δ ceramics

Uri Dai; Nir Hess; Leandro R. Tessler; Guy Deutscher; Genevieve Vetter; Francine Queyroux; Nicole Bontemps; Roger Mahoum; Michel Lagues; Philippe Mocaer

doi:10.1063/1.102459

Flux-creep-limited critical currents in YBa₂Cu₃O _7-δ ceramics

Uri Dai, Nir Hess, Leandro R. Tessler, Guy Deutscher, Genevieve Vetter, Francine Queyroux, Nicole Bontemps, Roger Mahoum, Michel Lagues, Philippe Mocaer

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

Critical currents of YBa₂Cu₃O_7-δ bulk-sintered samples were measured at and above 77 K in the presence of magnetic fields. In moderate magnetic fields a H^-n dependence with n<1 was observed. Transport measurements give n≅0.5, indicating that critical currents are limited by flux creep rather than by field quenching of Josephson junctions.

Original language	English
Pages (from-to)	1135-1137
Number of pages	3
Journal	Applied Physics Letters
Volume	55
Issue number	11
DOIs	https://doi.org/10.1063/1.102459
State	Published - 1989

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10.1063/1.102459

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abstract = "Critical currents of YBa2Cu3O7-δ bulk-sintered samples were measured at and above 77 K in the presence of magnetic fields. In moderate magnetic fields a H-n dependence with n<1 was observed. Transport measurements give n≅0.5, indicating that critical currents are limited by flux creep rather than by field quenching of Josephson junctions.",

author = "Uri Dai and Nir Hess and Tessler, {Leandro R.} and Guy Deutscher and Genevieve Vetter and Francine Queyroux and Nicole Bontemps and Roger Mahoum and Michel Lagues and Philippe Mocaer",

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AU - Dai, Uri

AU - Hess, Nir

AU - Tessler, Leandro R.

AU - Deutscher, Guy

AU - Vetter, Genevieve

AU - Queyroux, Francine

AU - Bontemps, Nicole

AU - Mahoum, Roger

AU - Lagues, Michel

AU - Mocaer, Philippe

PY - 1989

Y1 - 1989

N2 - Critical currents of YBa2Cu3O7-δ bulk-sintered samples were measured at and above 77 K in the presence of magnetic fields. In moderate magnetic fields a H-n dependence with n<1 was observed. Transport measurements give n≅0.5, indicating that critical currents are limited by flux creep rather than by field quenching of Josephson junctions.

AB - Critical currents of YBa2Cu3O7-δ bulk-sintered samples were measured at and above 77 K in the presence of magnetic fields. In moderate magnetic fields a H-n dependence with n<1 was observed. Transport measurements give n≅0.5, indicating that critical currents are limited by flux creep rather than by field quenching of Josephson junctions.

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JO - Applied Physics Letters

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Flux-creep-limited critical currents in YBa₂Cu₃O _7-δ ceramics

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