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Superconductivity in the 100–120 K region in oxides of the Tl-Ca-Ba-Cu-O system

✍ Scribed by A K Ganguli; G N Subbanna; A M Umarji; S V Bhat; C N R Rao

Book ID
112944352
Publisher
Springer-Verlag
Year
1988
Tongue
English
Weight
334 KB
Volume
30
Category
Article
ISSN
0304-4289

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Superconductivity at 90 K in the Tl-Ba-C
Superconductivity at 90 K in the Tl-Ba-Cu-O system
✍ Sheng, Z. Z.; Hermann, A. M.; El Ali, A.; Almasan, C.; Estrada, J.; Datta, T.; M 📂 Article 📅 1988 🏛 The American Physical Society 🌐 English ⚖ 178 KB
Superconductivity at 90 K in the Tl-Ba-C
Superconductivity at 90 K in the Tl-Ba-Cu-O system
✍ Sheng, Z. Z.; Hermann, A. M.; El Ali, A.; Almasan, C.; Estrada, J.; Datta, T.; M 📂 Article 📅 1988 🏛 The American Physical Society 🌐 English ⚖ 178 KB

Stable and reproducible superconductivity has been unambiguously observed in a new Tl-Ba-Cu-0 system containing no group-IIIB elements. Resistance in these rare-earth-free oxides starts to drop sharply above 90 K and reaches zero at 81 K. Meissner flux expulsion and diamagnetic shielding show bulk s