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Critical currents approaching the depairing limit at a twin boundary in YBa2Cu3O7−δ

✍ Scribed by Maggio-Aprile, Ivan; Renner, Christophe; Erb, Andreas; Walker, Eric; Fischer, Øystein


Book ID
109790838
Publisher
Nature Publishing Group
Year
1997
Tongue
English
Weight
364 KB
Volume
390
Category
Article
ISSN
0028-0836

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Critical currents in bulk samples of YBa
✍ J. Aponte; H. Abache; M. Octavio 📂 Article 📅 1989 🏛 Elsevier Science 🌐 English ⚖ 363 KB

We have performed four probe transport measurements of the critical current in bulk samples of the high-Tc superconductors YBa2Cu307\_~ and DyBa2Cu3074. We found that over a range of temperatures the critical current varies linearly with (T c-T). This result indicates that these ceramics behave as a