Ability of a contactless inductive device for the characterization of the critical current versus temperature in superconducting rings at temperatures close to TC |
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Authors: | H González-Jorge D González-Salgado J Peleteiro E Carballo G Domarco |
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Affiliation: | Departamento de Fisica Aplicada, Facultad de Ciencias, Universidad de Vigo, As Lagoas s/n, 32004, Ourense, Spain |
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Abstract: | Critical current measurements for three polycrystalline rings of YBCO, three Bi-2223, and one YBCO + Ag were developed from a temperature close to 80 K to the critical temperature using a previously reported contactless inductive device based on the transformer method. These data were used to analyze the ability of this device to characterize, in superconducting rings, the Ginzburg-Landau, Ambegaokar-Baratoff, and De Gennes regimes as well as the crossover temperature between them. |
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Keywords: | Critical current Contactless inductive device Superconducting rings |
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