Critical currents and dissipation in bulk YBa2Cu3O7
β Scribed by R Meisels; S Bungre; A.D Caplin
- Book ID
- 116017353
- Publisher
- Elsevier Science
- Year
- 1989
- Weight
- 410 KB
- Volume
- 151
- Category
- Article
- ISSN
- 0022-5088
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π SIMILAR VOLUMES
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
In this paper the critical density for a polycrystalline sample is calculated assuming a model of weakly coupled superconducting grains and the influence of grain size on the maximum tunnelling current is investigated. In addition the Josephson vortices are shown to be bound by the pinning force inh