Abstract
We have formed BaZrO 3 nanoparticles in YBa 2Cu 3O 7− δ second-generation HTS wires through modification of the chemical solution precursor for metal-organic deposition. Transmission-electron microscopy shows the particles to be 10–25 nm in diameter, approximately spherical, and well dispersed through the film. The in-field critical current density is enhanced over a wide angular range compared to undoped wires.
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