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VOLUME 49 (1989) | ISSUE 11 | PAGE 614
Electrical properties of Ag-YBa2Cu3O7 system
When silver is added to a YBa2Cu307 matrix, the critical current Ic increases significantly. The effect is linked with a shunting of grain boundaries by high-conductivity, finely divided inclusions of silver (—0.1 μχη in diameter). The effect is to attenuate the flux creep.