Method for increasing the critical current density in type II su

Details Method for increasing the critical current density in type II su Method for increasing the critical current density in type II su

1996-03-15

1997-11-04

King, Roy V.

Superconductor technology: apparatus, material, process

Processes of producing or treating high temperature...

Producing lattice imperfection flux pinning sites or...

505480, 427 62, B05D 306, B05D 512

Patent

active

056839677

ABSTRACT:
Method for increasing the critical current density in Type II superconducting materials. The generation of a regular pattern of defects for pinning vortices, where the density of pinning sites is matched to the density of vortices produced by a chosen magnetic field in the particular superconducting material, is described. It is anticipated that such a defect pattern will substantially increase the critical current density carrying capability of the superconducting material so patterned. The fabrication of thick superconductors and conductors having chosen shapes is also described.

REFERENCES:
Kumakura et al, J. Appl. Phys. 72(2), Jul. 1992, pp. 800-802.
Kohiki et al, Appl. Phys. A 50 (1990) pp. 509-514.
Metlushko et al, Appl. Phys. Lett. 63(20) Nov. 1993, pp. 2821-2823.
Schuster et al, Phys. Rev. Bi Condens. Matter, 47(1) 1993 pp. 373-383.

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