Abstract
Biaxially aligned superconducting YBa 2Cu 3O 7−x thin films have been fabricated on ceramic alumina substrates. Yttria-stabilized zirconia buffer layers were first deposited on alumina using ion-beam assisted pulsed laser deposition. CeO 2 and YBCO films were subsequently deposited on the YSZ layer using pulsed laser deposition (PLD). All three layers were (001) oriented and biaxially textured. The YBCO films have T c values of 89 K and J c of 1×10 5A/cm 2 at 77 K.
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