Critical-current degradation by surface damage in high-temperature superconductors
β Scribed by Alvaro Sanchez; Du-Xing Chen
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 281 KB
- Volume
- 193
- Category
- Article
- ISSN
- 0921-4534
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π SIMILAR VOLUMES
The transport critical current / c of more than 100 samples of high temperature superconductor bulk material was measured as a function of temperature using a contactless magnetic induction method. All samples (mainly YBa2CH3OT\_ ~, but also TI-Ba-Ca-Cu-O and (Bi, Pb)-Sr-Ca-Cu-O) show a temperature
The critical current density in high temperature superconductor grains were taken from magnetic levitation data. The nature of this current is given by the critical state model and calculations were made for different models, supposing field dependence. The regimes in which the critical state is val