Point Contact Based Method to Measure Critical Current Density of Superconductor Bulk
β Scribed by Nahid Hosseini; Siavash Kananian; Alireza Zabetian; Mehdi Fardmanesh
- Book ID
- 119345753
- Publisher
- Elsevier
- Year
- 2012
- Tongue
- English
- Weight
- 339 KB
- Volume
- 36
- Category
- Article
- ISSN
- 1875-3892
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π SIMILAR VOLUMES
The method of critical current measurement in a magnetic field using a DC transport current has been developed for bulk superconductors. The measurement of the critical current, I c , up to 50 A at a temperature of 77 K became possible by reducing thermal and mechanical stresses caused in the sample
The inductive method for measuring the critical current density in a high-temperature superconducting (HTS) bulk has been investigated numerically. In the method, an ac current is applied in a small coil placed just above a HTS bulk and, simultaneously, the third-harmonic voltage V 3 induced in the