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Homogeneous in-plane aligned YBa/sub 2/Cu/sub 3/O/sub 7-y/ (YBCO) films on long metallic substrates are required for power applications. In order to establish in-plane aligned YBCO films, we have been studying Ag{100}textured tapes buffered with a [001]-oriented CeO/sub 2/ layer. The YBCO and CeO/sub 2/ films were deposited by pulsed laser deposition (PLD). The CeO/sub 2/ deposition rate was 900 /spl Aring//min. The CeO/sub 2/ films on Ag{100}textured substrates mere [100]-oriented and highly in-plane aligned. The YBCO films deposited by PLD on CeO/sub 2/ buffered Ag substrates also have c-axis oriented and good in-plane alignment. T/sub c/ and J/sub c/ values of the YBCO films were 81 K and 1/spl times/10/sup 4/ A/cm/sup 2/ at 77 K, respectively.
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Takahashi et al. (1999) studied this question.
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