Enhanced Critical Magnetization Currents due to Electron Irradiation in High-Tc Oxide Superconductors
- 1 May 1989
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 28 (5A) , L766
- https://doi.org/10.1143/jjap.28.l766
Abstract
Three kinds of high-T c oxide superconductors were successively irradiated with 3 MeV electrons up to 1.0×1018 e/cm2 at about 370 K, and magnetization measurements were performed at 77 K in fields up to 10 kG. The critical current density in the field, estimated from the magnetization curves, was enhanced by the electron irradiation to 5.0×1017 e/cm2 in the melt-processed YBa2Cu3O7-x and Tl2Ba2Ca2Cu3O x compounds. In the Bi1.4Pb0.6Sr2Ca2Cu3O x compound, the critical current density was expected to be increased by electron irradiation to a dose much less than 5.0×1017 e/cm2.Keywords
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