MgB2 thick film grown on stainless steel substrate with ductility

Qing-rong Feng; Chinping Chen; Ying Lu; Zhang Jia; Jing-pu Guo; Xiao-nan Wang; Meng Zhu; Jun Xu; Yong-Zhong Wang

doi:10.1117/12.607297

8 December 2004 MgB₂ thick film grown on stainless steel substrate with ductility

Qing-rong Feng, Chinping Chen, Ying Lu, Zhang Jia, Jing-pu Guo, Xiao-nan Wang, Meng Zhu, Jun Xu, Yong-Zhong Wang

Proceedings Volume 5774, Fifth International Conference on Thin Film Physics and Applications; (2004) https://doi.org/10.1117/12.607297
Event: Fifth International Conference on Thin Film Physics and Applications, 2004, Shanghai, China

Abstract

MgB₂ thick film was synthesized on the stainless steel substrate by the technique of hybrid physical-chemical vapor deposition (HPCVD), using Mg ingot and B₂H₆ as the raw materials. The film thickness is about 10 μm. The scanning electron microscope (SEM) images reveal that it is consisting of highly dense MgB₂ crystals with the size ranging from 0.2 to 3 μm. The superconducting transition occurs at 38 K (Tc, onset) and ends at 27 K (Tc, zero), giving the transition width of 11 K. The fabricated film exhibits high ductility and remains attached to the substrate after it was bent to a curvature of about 200 μm.

Citation Download Citation

Qing-rong Feng, Chinping Chen, Ying Lu, Zhang Jia, Jing-pu Guo, Xiao-nan Wang, Meng Zhu, Jun Xu, and Yong-Zhong Wang "MgB₂ thick film grown on stainless steel substrate with ductility", Proc. SPIE 5774, Fifth International Conference on Thin Film Physics and Applications, (8 December 2004); https://doi.org/10.1117/12.607297

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