Reel-to-reel fabrication of meter-long YBCO coated conductor

► A reel to reel PLD process for YBCO coated conductor with a home designed system. ► Highly textured YBCO films were successfully grown on meter-long tape. ► I c was over 200 A/cm-width. T c was 90.1 K with 0.5 K Δ T. YBa 2Cu 3O 7− δ (YBCO) superconductors were coated on the CeO 2/YSZ/Y 2O 3 buffered Ni-5at%W tapes by a reel-to-reel pulsed laser deposition (PLD). The process of a multi-layer deposition of YBCO film was explored. X-ray diffraction texture measurements showed good both in-plane and out of plane crystalline orientations in YBCO films. The average values calculated at a full width at half maximum (FWHM) of the peaks from phi-scans ( φ) and omega ( ω) scans for one meter-long YBCO tape were 7.49° and 4.71°, respectively. The critical current ( I c) was over 200 A/cm-width at 77 K and under self-field for meter-long YBCO tape. The critical transition temperature of the YBCO tape was typically as 90.1 K with 0.5 K transition widths.