NASA NTRS · 19910000158
Passivation Of High-Temperature Superconductors
Abstract
Surfaces of high-temperature superconductors passivated with native iodides, sulfides, or sulfates formed by chemical treatments after superconductors grown. Passivating compounds nearly insoluble in and unreactive with water and protect underlying superconductors from effects of moisture. Layers of cuprous iodide and of barium sulfate grown. Other candidate passivating surface films: iodides and sulfides of bismuth, strontium, and thallium. Other proposed techniques for formation of passivating layers include deposition and gas-phase reaction.
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Vasquez, Richard P.. 1991-04-01. Passivation Of High-Temperature Superconductors. https://ntrs.nasa.gov/citations/19910000158
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