High critical currents in Y‐Ba‐Cu‐O superconductors

@inproceedings{Jin1988HighCC,
  title={High critical currents in Y‐Ba‐Cu‐O superconductors},
  author={Sungho Jin and Thomas Henry Tiefel and Richard Curry Sherwood and M. E. Davis and Robert Bruce van Dover and Guenther Wilhelm Kammlott and R. A. Fastnacht and Harold Keith},
  year={1988}
}
Melt‐textured growth of polycrystalline YBa2Cu3O7−δ superconductor using directional solidification created an essentially 100% dense structure consisting of long, needle‐ or plate‐shaped crystals preferentially aligned parallel to the a‐b conduction plane. The new microstructure, which completely replaces the previous granular and random structure in the sintered precursor, exhibits dramatically improved transport Jc values at 77 K of ∼17 000 A/cm2 in zero field and ∼4000 A/cm2 at H=1 T (as… CONTINUE READING

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