Fabrication of Bi2Sr2CaCu2Ox/Ag superconducting tape using a screen-printing method
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High- Tc superconducting Bi2Sr2CaCu2Ox/Ag tape was successfully fabricated using a screen-printing method and a partial-melting process. A highly oriented layer structure was achieved and confirmed by X-ray diffraction (XRD), pole-figure measurement and scanning electron microscopy (SEM). The critical current density, Jc, of the tape at 77 K, 0 T, was about 20000 A cm−2. High-temperature XRD was used to clarify the mechanism of the grain alignment. An aligned structure of the 2212 phase was originated from Bi-free compounds, such as (Sr,Ca)CuO2 and (Sr,Ca)2CuO3 developed during a holding stage at 875°C.
KeywordsPolymer Microscopy Electron Microscopy Scanning Electron Microscopy Layer Structure
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- 4.T. Hitaka, K. Sato and H. Hitotsuyanagi, Jpn J. Appl. Phys. 8 (1989) L82.Google Scholar
- 5.N. Enomoto, H. Kikuchi, N. Uno, H. Kumakura, K. Togano and K. Wadanabe, ibid., 29 (1990) 2447.Google Scholar
- 8.J. Kase, T. Morimoto, K. Togano, H. Kumakura, D. R. Dietderich and H. Maeda, Proceedings of the Applied Superconductivity Conference, IEEE Trans., Showmass, Sept. 1990.Google Scholar