ON THE ROLE OF AG IN ENHANCEMENT OF J(C) IN YBA2CU3O7-DELTA THIN-FILMS

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Title:	ON THE ROLE OF AG IN ENHANCEMENT OF J(C) IN YBA2CU3O7-DELTA THIN-FILMS
Authors:	MISRA, DS JOHN, B PINTO, R MOMBASAWALA, LS PALMER, SB
Keywords:	ba-cu-o critical currents transport silver ceramics behavior origin
Issue Date:	1995
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).
URI:	http://dx.doi.org/10.1016/0921-4534(95)00257-X http://dspace.library.iitb.ac.in/xmlui/handle/10054/6824 http://hdl.handle.net/10054/6824
ISSN:	0921-4534
Appears in Collections:	Article

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