Abstract
Superconducting YBa/sub 2/Cu/sub 3/O/sub 7-x/ (YBCO) thin films were prepared via chemical solution deposition (CSD) in a trifluoroacetate (TFA) process. The dip coated substrates were treated in a two stage annealing process. We obtained epitaxially grown 190 nm thick films on single-crystalline strontium titanate with T/sub c/ of 89.9 K and a transition width of 0.7 K. Critical current densities up to 4 MA/cm/sup 2/ were reached. The interface between the substrate and the YBCO is sharp even on an atomic level. Biaxially textured strontium titanate films and ytterbium oxide films as buffer layers were also built in a TFA process on single-crystalline substrates. Biaxially textured CeO/sub 2/ buffer layers were deposited on nickel RABITS using a nonfluorine precursor.
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