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Ba2YCu3O7−x Thin Films with Jc>105 A/cm2 at 77 K Prepared by Metalorganic Deposition at Reduced Oxygen Pressure

  • Robert B. Hallock (a1), W.E. Rhine (a1), M.S. Jolly (a1) and MIchael J. Cima (a1)

Abstract

Superconducting Ba2YCu3O7-x films 0.1-0.2 gim thick were prepared by spin coating a methanol solution of Ba, Y and Cu acrylates on (100)LaAlO3 and firing to 800°C in a total pressure of 1 mm O2. X-ray diffraction showed that these films were epitaxial with the c-axis normal to the substrate. Zero resistance was achieved above 90 K and transport DC critical current densities as high as 125,000 A/cm2 were measured at 77 K in zero applied field.

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References

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Ba2YCu3O7−x Thin Films with Jc>105 A/cm2 at 77 K Prepared by Metalorganic Deposition at Reduced Oxygen Pressure

  • Robert B. Hallock (a1), W.E. Rhine (a1), M.S. Jolly (a1) and MIchael J. Cima (a1)

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