Preparation of superconducting YBa2Cu3O7-x films on metallic substrates by pulsed-laser deposition

You-qing Wang; Biao Su; Xintang Huang; Qiulang Wang; Chengwu An; Yongchang Fan; Dongsheng Lu

doi:10.1117/12.317963

15 August 1998 Preparation of superconducting YBa₂Cu₃O_7-xfilms on metallic substrates by pulsed-laser deposition

You-qing Wang, Biao Su, Xintang Huang, Qiulang Wang, Chengwu An, Yongchang Fan, Dongsheng Lu

Proceedings Volume 3550, Laser Processing of Materials and Industrial Applications II; (1998) https://doi.org/10.1117/12.317963
Event: Photonics China '98, 1998, Beijing, China

Abstract

The YBa₂Cu₃O_7-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.

Citation Download Citation

You-qing Wang, Biao Su, Xintang Huang, Qiulang Wang, Chengwu An, Yongchang Fan, and Dongsheng Lu "Preparation of superconducting YBa₂Cu₃O_7-xfilms on metallic substrates by pulsed-laser deposition", Proc. SPIE 3550, Laser Processing of Materials and Industrial Applications II, (15 August 1998); https://doi.org/10.1117/12.317963

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