Journal
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM
Volume 19, Issue 6, Pages 485-488Publisher
SPRINGER
DOI: 10.1007/s10948-006-0139-x
Keywords
single LaMnO3 buffer layer; YBCO-coated conductors; pulsed laser deposition
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A single buffer layer of LaMnO3 for YBa2Cu3O7-x ( YBCO) coated conductors has been grown on textured Ni substrate using pulsed laser deposition (PLD). Detailed X-ray diffraction ( XRD) studies showed that the LaMnO3 single buffer layer had a good out-of- plane and in-plane texture with a full width at half maximum of 5.2 degrees. and 9.9 degrees, respectively. The scanning electron microscopy image revealed a dense, smooth, and uniform surface. The single LaMnO3 buffer layer has been proved to be a very effective diffusion barrier layer against Ni and oxygen diffusion and a good template for subsequent growing high critical current density YBa2Cu3O7-x films.
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