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|Title:||ON THE ROLE OF AG IN ENHANCEMENT OF J(C) IN YBA2CU3O7-DELTA THIN-FILMS|
|Publisher:||ELSEVIER SCIENCE BV|
|Citation:||PHYSICA C, 248(3-4), 276-280|
|Abstract:||The role of Ag in the enhancement of J(c) in YBa2Cu3O7-delta (YBCO) thin films is investigated. Studies show that the concentration of Ag in laser-ablated films made from YBCO targets containing 1-20 wt.% Ag, is less than 0.1%. J(c) has been found to improve with Ag doping by a factor of 8 in the films which were prepared from targets containing 5 wt.% Ag. A theoretical model based on the reduction in the resistive grain-boundary size is proposed to explain the observed enhancement of J(c).|
|Appears in Collections:||Article|
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