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Proceedings Paper

Preparation of superconducting YBa2Cu3O7-xfilms on metallic substrates by pulsed-laser deposition
Author(s): You-qing Wang; Biao Su; Xintang Huang; Qiulang Wang; Chengwu An; Yongchang Fan; Dongsheng Lu
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Paper Abstract

The YBa2Cu3O7-x (YBCO) superconducting thin films with Tc(R equals 0) of 84 K and Jc of 2 X 103 A/cm2 at 77 K, on polycrystalline Ni-based alloys with buffer layers of Yttria-Stabilized-Zirconia (YSZ), have been prepared in situ by excimer laser. The orientation of laser-deposited YSZ buffer layers on NiCr alloys can be improved by choosing the suitable preparing parameters. The microstructure of YBCO thin films, investigated with a scanning tunneling microscopy, shows that the spiral growth structure may be an important characteristic of the high quality YBCO superconducting thin films.

Paper Details

Date Published: 15 August 1998
PDF: 4 pages
Proc. SPIE 3550, Laser Processing of Materials and Industrial Applications II, (15 August 1998); doi: 10.1117/12.317963
Show Author Affiliations
You-qing Wang, Huazhong Univ. of Science and Technology (China)
Biao Su, Huazhong Univ. of Science and Technology (China)
Xintang Huang, Huazhong Univ. of Science and Technology (China)
Qiulang Wang, Huazhong Univ. of Science and Technology (China)
Chengwu An, Huazhong Univ. of Science and Technology (Singapore)
Yongchang Fan, Huazhong Univ. of Science and Technology (China)
Dongsheng Lu, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 3550:
Laser Processing of Materials and Industrial Applications II
ShuShen Deng; S. C. Wang, Editor(s)

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