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VOLUME 47 (1988) | ISSUE 5 | PAGE 260
Effect of ion bombardment on the critical current of YBa2Cu3O7 films
The superconducting YBa2Cu307 films, fabricated by the laser-deposition method, were obtained by bombarding them with 3.6-MeV He+ + ions. It has been established that Ic of the films is degraded faster than Tc as a result of ion bombardment, that an increase in Δ Tc and ρ precedes a decrease in Tc, and that the critical current of YBa2Cu307 films is more sensitive to ion bombardment than that of the Nb3Sn films.