Uniform performance of continuously processed MOD-YBCO-coated conductors using a textured Ni-W substrate

D. T. Verebelyi, U. Schoop, C. Thieme, X. Li, W. Zhang, T. Kodenkandath, A. P. Malozemoff, N. Nguyen, E. Siegal, D. Buczek, J. Lynch, J. Scudiere, M. Rupich, A. Goyal, E. D. Specht, P. Martin, M. Paranthaman

Research output: Contribution to journalArticlepeer-review

98 Scopus citations

Abstract

Second-generation coated conductor composite HTS wires have been fabricated using a continuous reel-to-reel process with deformation-textured Ni-W substrates and a metal-organic deposition process for YBa2Cu3O7-x. Earlier results on 1 m long and 1 cm wide wires with 77 K critical current performance greater than 100 A cm-1 width have now been extended to 7.5 m in length and even higher performance, with one wire at 132 and another at 127 A cm-1 width. Performance as a function of wire length is remarkably uniform, with only 2-4% standard deviation when measured on a 50 cm length scale. The length-scale dependence of the deviation is compared with a statistical calculation.

Original languageEnglish
Pages (from-to)L19-L22
JournalSuperconductor Science and Technology
Volume16
Issue number5
DOIs
StatePublished - May 2003

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