MgB2 thick film grown on Stainless steel substrate with ductility

Details MgB2 thick film grown on Stainless steel substrate with ductility MgB2 thick film grown on Stainless steel substrate with ductility

2004-08-27

arxiv.org/abs/cond-mat/0408597v1

Proc. of SPIE, V 5774, P 275-278 (2004)

Physics

Condensed Matter

Superconductivity

4 pages, Proceedings of SPIE, the 5th International Conference on Thin Film Physics and Applications 2004

Scientific paper

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 microns. 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 microns. 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 microns.

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