Enhancement of Transport Critical Current Density of Ba2YCu3O7-δ Thin Film by 28 MeV Electron Irradiation
- 1 November 1990
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 29 (11A) , L2053
- https://doi.org/10.1143/jjap.29.l2053
Abstract
Effect of 28 MeV electron irradiation was investigated on the critical current density (J c) of high-T c superconductor Ba2YCu3O7-δ thin films. For the film irradiated with a fluence of 4.7×1016 electrons/cm2, J c determined from I-V characteristics at temperatures from 75 to 85 K was enhanced by about 8%. The enhance ratio of J c due to irradiation increased with fluence over the range investigated, while the critical temperature (T c) was unchanged. The temperature dependence of J c was not affected by electron irradiation.Keywords
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