Physics – Condensed Matter – Superconductivity
Scientific paper
2001-01-25
IEEE Trans. Applied Superconductivity, Vol. 11, No.1, pp. 3309-3312 March 2001
Physics
Condensed Matter
Superconductivity
4 pages, 5 figures
Scientific paper
We analyze fundamental issues related to the thermal and electrical stability of a coated conductor during its operation. We address the role of conductive buffer layers in the stability of Ni-based coated conductors, and the effect of a metallic cap layer on the electrical properties of Ni alloy-based superconducting tapes. For the first case we report on the fabrication of a fully conductive RABiTS architecture formed of bilayers of conductive oxides SrRuO3 and LaNiO3 on textured Ni tapes. For the second case we discuss measurements of current-voltage relations on Ag/YBa2Cu3O7-d and Cu/Ag/ YBa2Cu3O7-d prototype multilayers on insulating substrates. Limitations on the overall tape structure and properties that are posed by the stability requirement are presented.
Aytug Tolga
Cantoni Claudia
Christen David K.
Norton David P.
Paranthaman Mariappan
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