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Oxygen nonstoichiometry and high-temperature conductivity of DyBa2Cu3O7−δ

✍ Scribed by Hiroya Ishizuka; Yasushi Idemoto; Kazuo Fueki

Publisher
Elsevier Science
Year
1992
Tongue
English
Weight
884 KB
Volume
195
Category
Article
ISSN
0921-4534

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Critical currents in bulk samples of YBa
Critical currents in bulk samples of YBa2Cu3O7−δ and DyBa2Cu3O7−δ
✍ 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