112–114 K superconductors Bi1.8Pb0.3Sr2Ca2Cu3Oy by means of a three-step reaction process
✍ Scribed by Xi Zhengping; Ji Chunlin; Zhou Lian
- Publisher
- Elsevier Science
- Year
- 1989
- Tongue
- English
- Weight
- 194 KB
- Volume
- 72
- Category
- Article
- ISSN
- 0038-1098
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📜 SIMILAR VOLUMES
The \(\mathrm{Bi}_{1.8} \mathrm{~Pb}_{0.4} \mathrm{Ca}_{2} \mathrm{Sr}_{2} \mathrm{Cu}_{3} \mathrm{O}_{y}\) superconductor is prepared by a citrate precursor method. Nitrate salts of the constituent metals are dissolved in deionized water, and citric acid and ethylene glycol are added. The \(\mathrm
Superconducting materials of nominal composition Bil.7Pb0.3Sr2Ca2CusO r were prepared by the cast annealing method. Electromagnetic measurements and X-ray powder diffraction patterns from the samples show that the major phase of the oxide superconductor is the superconducting phase at 110 K, with ze
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