Synthesis of superconducting microcomposite coatings by melt writing and oxidation of BiPbSrCaCuAg metallic precursor alloys
✍ Scribed by Wei Gao; John B. Vander Sande
- Publisher
- Elsevier Science
- Year
- 1991
- Tongue
- English
- Weight
- 1013 KB
- Volume
- 8
- Category
- Article
- ISSN
- 0921-5107
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Bi-pb-Sr-Ca-Cu-O bulk samples with nominal composition of Bil.6Pb0.4Sr2Ca3Cu4Oy (2234) were prepared by a melt casung method. The melting process was carried out on two different powders; one consisting of the precursor materials, and one in which the precursor had been calci,r,d.Th~-~ffects of the
Superconducting Bi-Sr-Ca-Cu-O and Bi(Pb)-Sr-Ca-Cu-O f'flms (0.03-2.5t~m) are prepared by deposition onto MgO (200) single crystal substratesin a DC single target sputtering system (pure Ar plasma) and post-deposition anneal. Annealing condition studies show that the Tc values are very dependent on t