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



Publication Details

Yang, J., Zhang, H., Wang, S. M., Lin, C. G., Shi, D. Q. & Dou, S. X. (2011). Reel-to-reel fabrication of meter-long YBCO coated conductor. Physica C: Superconductivity and its Applications, 471 (7-8), 233-236.


YBa2Cu3O7−δ (YBCO) superconductors were coated on the CeO2/YSZ/Y2O3 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 (Ic) 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.

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