Ion Irradiation Effects on Critical Current of Superconducting Bi-Sr-Ca-Cu-O Films
- 1 August 1989
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 28 (8A) , L1395
- https://doi.org/10.1143/jjap.28.l1395
Abstract
The critical currents under applied magnetic field are measured by the resistive method in polycrystalline Bi-Sr-Ca-Cu-O films after He ion irradiation at room temperature. The critical current decreases by irradiation and is inversely proportional to the resistance in the normal state after irradiation. The critical current is recovered appreciably by annealing at 400°C after irradiation.Keywords
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