High current YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] thick films on flexible nickel substrates with textured buffer layers
- Superconductivity Technology Center, Materials Science and Technology Division, Los Alamos National Laboratory, Los Alamos, New Mexico 87545 (United States)
High current YBa[sub 2]Cu[sub 3]O[sub 7[minus][delta]] (YBCO) thick films on flexible nickel substrates with textured buffer layers were fabricated. Highly textured yttria-stabilized-zirconia buffer layers were deposited by using ion beam assisted deposition (IBAD). Pulsed laser deposited YBCO films were not only [ital c]-axis oriented with respect to the film surface but also strongly in-plane textured. The in-plane mosaic spread of YBCO films was [similar to]10[degree]. A critical current density of 8[times]10[sup 5] A/cm[sup 2] was obtained at 75 K and zero field for thin YBCO films. It was also demonstrated that thick YBCO films with a high critical current and excellent magnetic field dependence at liquid nitrogen temperature can be obtained on flexible nickel substrates by using the textured buffer layers. The result indicates that thick film technology in combination with IBAD buffer layers could be a viable method for fabricating YBCO tapes in long lengths.
- OSTI ID:
- 7153786
- Journal Information:
- Applied Physics Letters; (United States), Journal Name: Applied Physics Letters; (United States) Vol. 65:15; ISSN 0003-6951; ISSN APPLAB
- Country of Publication:
- United States
- Language:
- English
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ABLATION
ALKALINE EARTH METAL COMPOUNDS
BARIUM COMPOUNDS
BARIUM OXIDES
CHALCOGENIDES
COPPER COMPOUNDS
COPPER OXIDES
CRITICAL CURRENT
CURRENTS
ELECTRIC CURRENTS
ELECTROMAGNETIC RADIATION
FILMS
GROWTH
HIGH-TC SUPERCONDUCTORS
LASER RADIATION
MORPHOLOGY
OXIDES
OXYGEN COMPOUNDS
RADIATIONS
SUPERCONDUCTING FILMS
SUPERCONDUCTORS
TEXTURE
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
YTTRIUM OXIDES