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Fabricates high-temperature superconductor YBa[sub 2]Cu[sub 3]O[sub 7-delta] superconducting-normal-superconducting Josephson junctions using a pulsed laser deposition technique. Manifestation of the gradient doping; Confirmation of x-ray diffraction and Rutherford backscattering on good growth structure; Demonstration of microwave induced Shapiro steps.

Investigates ab-plane anisotropy of the critical currents in twinned YBa[sub 2]Cu[sub 3]O[sub 7-delta] superconductor films. Deposition of films on crystalline yttria-stabilized zirconia (YSZ); Effect of the alignment of the twin boundary mosaic diagonal; Nucleation of the YSZ buffer layer in large grains.

Demonstrates that uniform, two-sided 90 K coatings can be deposited on five-centimeter-diameter substrates by pulsed laser deposition. Efficacy in producing superconducting films on both sides of substrate wafers; Values of the obtained thickness and stoichiometric variations.