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- Title
Chemical Solution-Derived YBaCu O /CuO Multilayer Structure-Coated Conductors on Oxide-Buffered Metallic Tapes.
- Authors
Cui, Chuan-Wei; Yang, Wen-Tao; Liu, Zhi-Yong; Bai, Chuan-Yi; Liu, Xu-Ming; Zhai, Wei; Peng, Chang-Hao; Cai, Chuan-Bing
- Abstract
An approach based on the insertion of a CuO layer in YBaCu O (YBCO)-coated conductor was proposed and demonstrates high current-carrying ability. The multilayer architecture was deposited on oxid-buffered Hastelloy tapes using a metal organic deposition (MOD) process (low-fluorine solution route). It was revealed that the introduction of a CuO layer was effective to avoid the presence of a-axis grain and pores of the YBCO films, which were frequently observed in multilayer films. Presently, the thickness of the multilayer films was almost 1.5 µm. Based on the improvements of the surface quality and c-oriented texture which were proved by X-ray ( ??-2 ??, f, and ?)-scan, AFM images, and SEM (surface and cross-section) images, the critical current density (Jc) of YBCO films with middle CuO and bottom CuO are 2.0 MA/cm and 2.5 MA/cm (at 77 K, self-field), respectively.
- Subjects
CHEMICAL solution deposition; YTTRIUM barium copper oxide films; SUPERCONDUCTING tape; ELECTRIC properties of yttrium barium copper oxide; ORGANOMETALLIC compounds; BIOCHEMICAL substrates; SOLUTION (Chemistry)
- Publication
Journal of Superconductivity & Novel Magnetism, 2016, Vol 29, Issue 9, p2269
- ISSN
1557-1939
- Publication type
Article
- DOI
10.1007/s10948-016-3580-5