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Superconducting property of Y1Ba2Cu3 Ox films formed on silver substrates by continuous chemical vapor deposition technique

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5 Author(s)
K. Onabe ; Fujikura Ltd., Tokyo, Japan ; H. Akata ; K. Higashiyama ; S. Nagaya
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A new CVD system equipped with a triple-reactor was developed to improve the forming rate of the superconducting tape. Three-layered Y123 films with good crystallinity covering the total thickness were obtained directly on roll milled non-textured Ag tapes by using this triple-stage CVD system. 11 m long Y123 tape with a uniform Jc of 3.0×104 A/cm2 at 77 K, 0 T was successfully prepared on roll milled non-textured Ag tape at a forming rate of 3.0 m/h, Y123 films formed directly on the cube-textured Ag(100)<001> tapes showed two types of orientation, cube-on-cube and diagonal-on-cube, between Y123 and Ag. On the other hand, Sm123 and Nd123 films showed the simple orientation, cube-on-cube, so these films were expected to improve the in-plane alignment of Y123 film by inserting them as the intermediate layer

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IEEE Transactions on Applied Superconductivity  (Volume:11 ,  Issue: 1 )